Helium Purity Monitor（HPM-02）
USER'S MANUAL
3501(rev.4) 2024.01.25

APPLICATIONOFELECTRONIC

DEVICESTSUJI ELECTRONICS CO.,LTD3739 Kandatsu-machi Tsuchiura-city
Ibaraki-Pre 300-0013 Japan
Phone +81-(0)29-832-3031
Fax +81-(0)29-832-2662
URL http://www.tsujicon.jp
E-mail info2@tsuji-denshi.co.jp

CONTENTS
1．Specifications ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 2
1-1．Abstract

・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
2

2
1-2. Mechanism ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
1-3．Brock diagram

・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
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1-4．Electrical specification

2．How to use

・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
3

・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 4

4
2-1．Body appearance ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
2-2．Sensor cable・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
4

2-3．Preparation for using

・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
5

2-4．取扱い方法
Helium gas purity adjustment
2-5．Caution

・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
5

・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
5

6
2-6．LAN communication setting ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
2-6-1．Preparation

・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
6

2-6-2．Change setting condition for・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
network7
2-6-3．Turn back PC set data
2-6-4．Connection test

・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
9

・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
9

2-6-5．When you forget an IP address
2-7．E-mail sending function
2-7-1．Setting

・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
9

・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
11

・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
12

2-8．About sensor protection

・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
14

2-9．Communication commands

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15

2-9-1．About・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
15

2-9-2．Commands

・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
15

Acknowledgements ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
17

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Helium Purity Monitor HPM-02
USER'S MANUAL
1．Specifications
1-1．Abstract
This Helium Purity Monitor uses a pirani gauge.
This unit can measure helium gas purity by less than 1% error on the condition of 50 - 100% degree.
HPM-01 type has a screen that that shows purity of helium gas（20～100%）, and temperature ofouter wall sensor (DEG). Analog signal (0～1V) connected with the purity outputs.
HPM-02 type has all function of HPM-01, and LAN communication for reading purity
and temperature.
E-mail sending system is avalable from the firmware version 1.10.
1-2．Mechanism
You set pirani sensor under 1 atmospheric pressure at 100% helium and at mixture of X% helium
and air, and pass an electrical current (200mA), then terminal voltage of sensor is calculated
this formula. (Over 60% degree, less than 1% error accuracy)
V ＝ 3211 ＋ 7.13T ＋ 13.3（100－X）
T：Temperature

Units: mV

X：Purity of helium gas（％）

In this way, you can acquire the analog data being in proportion to helium gas purity with using
temperature-compensated circuit, amplification, and offset subtraction. This unit converts
this analog data into digital, shows it, and enables you to read via LAN.
Outer wall sensor temperature is calculated by converting analog data for
temperature-compensated analog to digital.
1-3．Block diagram

ＬＣＤ DISPLAY

ＬＡＮ(Xport)CPU

ADC(10bit)

DC12V IN

PiranisensorPower circuit
15, 5, 3.3V

0～1Ｖ/0～100%

2 / 17 Page

Temperature
sensor1-4．Electrical specification
AC adapter
Power supply

AC100 - 240V/DC12V cable is attached.
DC12V supplied from AC Adapter.
Generates DC15V for analog calculate circuit, DC5V, andDC3.3V for digital circuit at converter.

SensorMAX Voltage：15V
MAX Current：about 200mA

Monitor12 character - 2 lines LCD screen

Communication Purity of helium gas, and temperature of outer wall sensor can be read via LAN.

3 / 17 Page

2．How to use
2-1．Body appearance
Size：W150×D125×H50[FRONT]①②[REAR]

⑦

⑥

⑤

④

③

①

LCD screen: Purity of helium gas and temperature of outer wall sensor are shown here.

②

Power switch: Upper is power on.

③

LAN cable connector④

Sensor cable connector: Connect the sensor cable (See sec.2-2).

⑤100% adjuster : Adjust purity to 100% with variable resistance (See sec.2-4).

⑥

LEMO connector: This connector outputs 0 - 1V (Purity of helium 0 - 100%) analog signal.

⑦

DC plug connector: Connect attached AC adapter here.

2-2．Sensor cable
φ18

to body(Sec 2-1．④)

φ61000mm

85mm

The sensor is attached to the gauge port of φ18.

4 / 17 Page

2-3. Preparation for using
1．

Connect AC cable
If you have checked that power switch is off, connect attached AC cable.

2．

Connect sensor cable
Connect the sensor cable to the sensor connector.

3．

Connect LAN cableIf necessary, connect the LAN cable.
Before using LAN communication, it is necessary for LAN setting.（See sec.2-5）

4．

Connect analog signal monitor cableIf necessary, connect the cable with a standard.

5．

Turn on the power
Turn on the power with connecting AC cable, and HPM-02 works immediately.

6．

Show purity of helium gas and Temperature of outer wall sensor
If the power turn on, purity of helium gas and temperature of outer wall sensor
is shown at regular intervals.
[LCD SCREEN]

Ｐ

Ｕ

Ｒ
Ｔ

Ｉ Ｔ Ｙ
Ｅ Ｍ Ｐ

1

0
2

0
5

．
Ｄ

0 ％ ←Purity of helium gas
Ｅ Ｇ ←Temperature of outerwall sensor

2-4．Helium gas purity adjustment
It is necessary for adjustment to 100% for accurate measurement of helium gas purity.
First, put the sensor into 1 atmosphere pressure, 100% purity helium gas withthe power turned off. If finished, turn on the power, the purity is shown at screen.
Adjust the variable resistance "100% ADJ" to 100% with the screwdriver.
If you turn clockwise it, purity decreases. If counterclockwise, increases.
2-5．Caution
1.

Helium gas purity measurement is premise under the atmospheric pressure
because it uses difference of gas thermal conductivity.
Sensor will have BURNED OUT if using under the VACUUM,
you must use under the atmospheric pressure.
From firmware version 1.20, sensor protection function has been added.
Please refer to See sec.2-8 for more details.

2.

Without purity adjustment, the purity calculation may result in over 100%.
You cannot know correct helium gas purity, you must adjust it before using.

5 / 17 Page

2-6．LAN communication setting
HPM-02 supports external communication via LAN.
2-6-1．Preparation
To control this one by LAN communication, it's need to some setting items by 10Base-T/100Base-T
communication cable. Setting protocol is telnet protocol by TCP/IP connection.
To connect network by this one, IP address, subnet mask, and Port NO must be set to this unit.
Factory setting is "IP address : 192.168.1.55", "sub net mask : 255.255.255.0" and"Port No : 7777 ".
When connecting PC directly, you have to use cross cable.
But using HUB module, you don't have to.
The way of connecting PC directly is as follows.
It's need to set IP address and subnet mask to your PC.
Set IP address to 192.168.1.10, and subnet mask to 255.255.255.0, for example.
about the way of setting address to your PC, see your PC manual.
Select MS-DOS prompt and access command "ping" in MS-DOS prompt.
Ｃ：￥Ｗｉｎｄｏｗｓ＞ｐｉｎｇ １９２．１６８．１．５５
Ｐｉｎｇｉｎｇ １９２．１６８．１．５５ ｗｉｔｈ ３２ ｂｙｔｅｓ ｏｆ ｄａｔａ：
Reply from 192.168.1.55: bytes=32 time=2ms TTL=255
Reply from 192.168.1.55: bytes=32 time=1ms TTL=255
Reply from 192.168.1.55: bytes=32 time=1ms TTL=255
Reply from 192.168.1.55: bytes=32 time=1ms TTL=255
Ｃ：￥Ｗｉｎｄｏｗｓ＞
If replies are listed above, physical connection is correct.
If physical connection is not correct, communication replies are these.
Ｃ：￥Ｗｉｎｄｏｗｓ＞ｐｉｎｇ １９２．１６８．１．５５
Ｐｉｎｇｉｎｇ １９２．１６８．１．５５ ｗｉｔｈ ３２ ｂｙｔｅｓ ｏｆ ｄａｔａ：
Ｒｅｑｕｅｓｔ ｔｉｍｅｄ ｏｕｔ．
Ｒｅｑｕｅｓｔ ｔｉｍｅｄ ｏｕｔ．
Ｒｅｑｕｅｓｔ ｔｉｍｅｄ ｏｕｔ．
Ｒｅｑｕｅｓｔ ｔｉｍｅｄ ｏｕｔ．
Ｃ：￥Ｗｉｎｄｏｗｓ＞
In this case please retry the connection again after confirming the cable connection.

6 / 17 Page

2-6-2．Change setting condition for network
Once you check connection is correct, enter new IP address and new telnet port No. of HPM-02.
(If default No. is OK, you don't have to do this operation.)
Default IP address is 192.168.1.55, and default port No. is 7777.
IP address must to be changed according to your network system.
If there is no need to change port No. , you may use No. 7777.
If you need to change port No., the recommended port is No. 10000 to 10999.
In Windows screen display
START → Specify the file name and run, file name isｔｅｌｎｅｔ １９２．１６８．１．５５ ９９９９NO 9999 is port number of HPM-02.
Click OK button and screen changed to telnet mode immediately.
ＭＡＣ ａｄｄｒｅｓｓ ００２０４Ａ８０Ｆ１Ｂ６← It depends on each unit.

Ｓｏｆｔｗａｒｅ ｖｅｒｓｉｏｎ ０１．５（０３１００３）ＸＰＴＥ← It depends on each unit.

Ｐｒｅｓｓ Ｅｎｔｅｒ ｔｏ ｇｏ ｉｎｔｏ Ｓｅｔｕｐ Ｍｏｄｅ
Push Return button in 3sec.
More than 3 sec, this connection is automatically cut off. Then try again from beginning.
Next,
・・・・・・
Ｃｈａｎｇｅ Ｓｅｔｕｐ：
０ Ｓｅｒｖｅｒ ｃｏｎｆｉｇｕｒａｔｉｏｎ
１ Ｃｈａｎｎｅｌ １ ｃｏｎｆｉｇｕｒａｔｉｏｎ
３ Ｅ－ｍａｉｌ ｓｅｔｔｉｎｇｓ
５ Ｅｘｐｅｒｔ ｓｅｔｔｉｎｇｓ
６ Ｓｅｃｕｒｉｔｙ
７ Ｆａｃｔｏｒｙ ｄｅｆａｕｌｔｓ
８ Ｅｘｉｔ ｗｉｔｈｏｕｔ ｓａｖｅ
９ Ｓａｖｅ ａｎｄ ｅｘｉｔ

Ｙｏｕｒ ｃｈｏｉcｅ ？

Then select 0
IP Address : (192) 192.(168) 168.(001) 1.(55) 50
Set Gateway IP Address (N) N
Netmask: Number of Bits for Host Part (0=default) (0)Change telnet config password (N) N
Set IP address as above（Above is the sample for setting 192.168.1.50 )Set Gateway IP address if you need.
Netmask is to be set 8(255.0.0.0), 16(255.255.0.0), 24(255,255.255.0) etc.
In case of displaying command twice, select terminal→settings, and remove the checkbox

7 / 17 Page

at local echo.
Again,
・・・・・・
Ｃｈａｎｇｅ Ｓｅｔｕｐ：
０ Ｓｅｒｖｅｒ ｃｏｎｆｉｇｕｒａｔｉｏｎ
１ Ｃｈａｎｎｅｌ １ ｃｏｎｆｉｇｕｒａｔｉｏｎ
３ Ｅ－ｍａｉｌ ｓｅｔｔｉｎｇｓ
５ Ｅｘｐｅｒｔ ｓｅｔｔｉｎｇｓ
６ Ｓｅｃｕｒｉｔｙ
７ Ｆａｃｔｏｒｙ ｄｅｆａｕｌｔｓ
８ Ｅｘｉｔ ｗｉｔｈｏｕｔ ｓａｖｅ
９ Ｓａｖｅ ａｎｄ ｅｘｉｔ

Ｙｏｕｒ ｃｈｏｉcｅ ？

Then select 1
Ｂａｕｄｒａｔｅ（38400）？

・・・・・ push return.

Ｉ／Ｆ Ｍｏｄｅ（４Ｃ）？

・・・・・ push return.

Ｆｌｏｗ（００）？

・・・・・ push return.

Ｐｏｒｔ Ｎｏ（７７７７）？

・・・・・enter port address of ｔｅｌｎｅｔ, then push return（7777 is default，if you change, recommend to set 10000～10999）

ＣｏｎｎｅｃｔＭｏｄｅ（Ｃ０）？

・・・・・ push return.

Ｒｅｍｏｔｅ ＩＰ Ａｄｄｒｅｓｓ：（０００）．（０００）．（０００）．（０００）・・・・・ push return three times.
Ｒｅｍｏｔｅ Ｐｏｒｔ （０）？

・・・・・ push return.

ＤｉｓＣｏｎｎＭｏｄｅ（００）？

・・・・・ push return.

ＦｌｕｓｈｕＭｏｄｅ （８０）？

・・・・・ push return.

Pack Cntrl

・・・・・ push return.

(１０）？

ＤｉｓＣｏｎｎＴｉｍｅ（００：００）？ ・・・・・automatically power down set time when in no connection.
(default data 00:00 means 5999s = 99min 59sec
ＳｅｎｄＣｈａｒ １ （０Ｄ）

・・・・・ push return.

ＳｅｎｄＣｈａｒ ２ （０Ａ）

・・・・・ push return.

Select 9, then finished setting works
Ｃｈａｎｇｅ Ｓｅｔｕｐ：
０ Ｓｅｒｖｅｒ ｃｏｎｆｉｇｕｒａｔｉｏｎ
１ Ｃｈａｎｎｅｌ １ ｃｏｎｆｉｇｕｒａｔｉｏｎ
３ Ｅ－ｍａｉｌ ｓｅｔｔｉｎｇｓ
５ Ｅｘｐｅｒｔ ｓｅｔｔｉｎｇｓ
６ Ｓｅｃｕｒｉｔｙ
７ Ｆａｃｔｏｒｙ ｄｅｆａｕｌｔｓ
８ Ｅｘｉｔ ｗｉｔｈｏｕｔ ｓａｖｅ
９ Ｓａｖｅ ａｎｄ ｅｘｉｔ

Ｙｏｕｒ ｃｈｏｉcｅ ？

8 / 17 Page

In these setting items, only IP address must be set. Other items may be no change to set.
If you enter wrong number by mistake, you'd better to restore above data.
2-6-3．Turn back PC set data
If you change setting data of PC, turn back PC data to initial condition.
2-6-4．Connection test
Let's try connecting test by optional Windows software such as "telnet".
Example test data is "telnet 192.168.1.55 7777" in MS-DOS prompt screen.
（IP address number must to be set number preliminary. ）When in telnet operation, send data "VER?" which are expected reply data.
If reply data is like ”1.00 11-04-26 HPM-02", then communication line is OK.
"Telnet" function contains hardware and software function, when disconnect line,
line must be cut off by "telnet" software operation before hardware disconnection.
2-6-5．When you forget an IP address
When you forget an IP address, you can reset it using MAC address(hardware address).
If a top-side board is opened,
the MAC Address is shown at the lower part of a LAN connector.

MAC Address

9 / 17 Page

(Example)
When a MAC Address is "00-20-4a-80-e4-c6" and an IP address is set as "192.168.1.50".
Start Windows and set DOS prompt. (Note 1)
Key in the command "arp (address resolution protocol) command".
C:\Windows>arp -s 192.168.1.50 00-20-4a-80-e4-c6
Next key in
C:\Windows>telnet 192.168.1.50 1
Then connection error will appear on the screen.
Close the telnet screen, again key in next command.
C:\Windows>telnet 192.168.1.50 9999
Run this command and soon telnet screen appears.
MAC address 00204A80F1B6← It depends on each unit.

Software version 01.5(031003)XPTE← It depends on each unit.

Press Enter to go into Setup Mode
Above content appears, then put on "RETURN" key within 5s.
Otherwise the connection will be cut off automatically. In this case try again.
Next operation is as same as the previous explanation of telnet command.
At this stage IP address 192.168.1.50 is a temporary address.
IP address must be set to a new address number.

10 / 17 Page

2-7．E-mail sendimg system
E-mail can be sending to the mail address (two address is maximum) specified
when less than the specified purity.
※This function is HPM-02. It is mounted after the firmware version 1.10.
Once it is less than a threshold, E-mail will be sending and an E-mail function will be invalid.
If a threshold + hysteresis value will be exceeded in this state, an E-mail function will
become valid automatically.
A threshold and a hysteresis value are set up with a communication command.
An image of operation is indicated below.
(Example) Case of threshold=85%, hysteresis=10%
He Purity[%]E-mail transmission&
E-mail system invalidity

100
95
90

E-mail system validity

85
80
0

1

2

3

4

5

6

7

8

9

10

11

12

13

Since purity was less than 85% of the threshold, E-mail is sending at unit time 5.
At this time, an E-mail function becomes invalid.
Since purity exceeded the threshold + hysteresis value, an E-mail function becomesvalid automatically at unit time 9.
When purity is less than a threshold again after the unit time 9, E-mail is sending andan E-mail function becomes invalid automatically.
If an E-mail function is invalid with a communication command, an E-mail function will
not be concerned with the state of purity, will become invalid.
【Important】
When E-mail is send,HPM-02 sends out character string"E-mail ALARM" to LAN,
asynchronously with command.This character string is received at the terminal which
TCP/IP connection has established to this timing.

11 / 17 Page

Unit time

2-7-1．E-mail send configuration
It is the same as that of 2-6 clause,sets up by making telnet connection from 9999 port of HPM-02.
Ｃｈａｎｇｅ Ｓｅｔｕｐ：
０ Ｓｅｒｖｅｒ ｃｏｎｆｉｇｕｒａｔｉｏｎ
１ Ｃｈａｎｎｅｌ １ ｃｏｎｆｉｇｕｒａｔｉｏｎ
３ Ｅ－ｍａｉｌ ｓｅｔｔｉｎｇｓ
５ Ｅｘｐｅｒｔ ｓｅｔｔｉｎｇｓ
６ Ｓｅｃｕｒｉｔｙ
７ Ｆａｃｔｏｒｙ ｄｅｆａｕｌｔｓ
８ Ｅｘｉｔ ｗｉｔｈｏｕｔ ｓａｖｅ
９ Ｓａｖｅ ａｎｄ ｅｘｉｔ

Ｙｏｕｒ ｃｈｏｉcｅ ？

Then select ３.
Mail server (0.0.0.0) ?

・・・・ The IP address of an E-mail transmitting server is specified.

Unit name () ?

・・・・ An account name is specified.

Domain name () ?

・・・・ A domain name is specified.

Recipient 1 () ?

・・・・ An addressee mail address is specified.(1st)Recipient 2 () ?

・・・・ An addressee mail address is specified.(2nd)(The 2nd addressee mail address may not specify.)
Refer to the 【supplement】 of the following clause for the detailsof the above.

- Trigger 1
Enable serial trigger input (Y) ?

・・・・ push return.

No. of bytes (2) ?

・・・・ push return.

Match (41,4C) ? ,・・・・ push return.

Trigger input1 [A/I/X] (X) ?

・・・・ push return.

Trigger input2 [A/I/X] (X) ?

・・・・ push return.

Trigger input3 [A/I/X] (X) ?

・・・・ push return.

Message () ?

・・・・ The character string displayed on the subject name ofe-mail is specified.

Priority (L) ?

・・・・ push return.

Min. notification interval (1 s) ?

・・・・ push return.

Re-notification interval (0 s) ?

・・・・ push return.

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- Trigger 2
Enable serial trigger input (N) ?

・・・・ push return.

No. of bytes (2) ?

・・・・ push return.

Match (41,4C) ? ,・・・・ push return.

Trigger input1 [A/I/X] (X) ?

・・・・ push return.

Trigger input2 [A/I/X] (X) ?

・・・・ push return.

Trigger input3 [A/I/X] (X) ?

・・・・ push return.

Message () ?

・・・・ push return.

Priority (L) ?

・・・・ push return.

Min. notification interval (1 s) ?

・・・・ push return.

Re-notification interval (0 s) ?

・・・・ push return.

- Trigger 3
Enable serial trigger input (N) ?

・・・・ push return.

No. of bytes (2) ?

・・・・ push return.

Match (41,4C) ? ,・・・・ push return.

Trigger input1 [A/I/X] (X) ?

・・・・ push return.

Trigger input2 [A/I/X] (X) ?

・・・・ push return.

Trigger input3 [A/I/X] (X) ?

・・・・ push return.

Message () ?

・・・・ push return.

Priority (L) ?

・・・・ push return.

Min. notification interval (1 s) ?

・・・・ push return.

Re-notification interval (0 s) ?

・・・・ push return.

Min. notification interval (1 s) ?

・・・・ push return.

Re-notification interval (0 s) ?

・・・・ push return.

【supplement】
・A setup of Gateway is needed when an E-mail transmitting server is out of a network.
Moreover, HPM-02 does not correspond to the server which needs SMTP authntication.
・Mail address of HPM-02 It is determined by "Unit name" and "Domain name"like Unit name@Domain name.
(Example)
Case of Unit name=info2, Domain name=tsuji-denshi.co.jp, Recipient 1=sales@tsuji-denshi.co.jp,
E-mail is sent to the e-mail addressee "sales@tsuji-denshi.co.jp",
from the mail source (HPM-02) "info2@tsuji-denshi.co.jp".
・Case of Message=HPM-02 Alarm!!,The subject name of E-main is as follows.
Notification: HPM-02 Alarm!!

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Ｃｈａｎｇｅ Ｓｅｔｕｐ：
０ Ｓｅｒｖｅｒ ｃｏｎｆｉｇｕｒａｔｉｏｎ
１ Ｃｈａｎｎｅｌ １ ｃｏｎｆｉｇｕｒａｔｉｏｎ
３ Ｅ－ｍａｉｌ ｓｅｔｔｉｎｇｓ
５ Ｅｘｐｅｒｔ ｓｅｔｔｉｎｇｓ
６ Ｓｅｃｕｒｉｔｙ
７ Ｆａｃｔｏｒｙ ｄｅｆａｕｌｔｓ
８ Ｅｘｉｔ ｗｉｔｈｏｕｔ ｓａｖｅ
９ Ｓａｖｅ ａｎｄ ｅｘｉｔ

Ｙｏｕｒ ｃｈｏｉcｅ ？

Then returned to the screen above, select 5

TCP Keepalive time in s (1s - 65s; 0s=disable): (45) ?

・・・・ push return.

ARP Cache timeout in s (1s - 600s) : (600) ?

・・・・ push return.

CPU performance (0=Regular, 1=Low, 2=High): (0) ?

・・・・ push return.

Disable Monitor Mode @ bootup (N) ?

・・・・ push return.

RS485 tx enable active level (0=low; 1=high): (0) ?

・・・・ push return.

HTTP Port Number : (80) ?

・・・・ push return.

SMTP Port Number : (25) ?

・・・・ The port number of a transmitting mail serveris specified.

MTU Size (512 - 1400): (1400) ?

・・・・ push return.

Enable alternate MAC (N) ?

・・・・ push return.

Ethernet connection type: (0) ?

・・・・ push return.

2-8．About sensor protection
By the following factors,there are cases where the sensor may burn.
・If you vacuum state while the powering up.
・If energizing for a long time when the helium purity is extremely low.
In order to avoid that the sensor to burn, sensor protection function has been addedfrom firmware version 1.20.
Sensor protection function works purity of helium becomes 20% or less.
Sensor protection function is activated, stop the measurement by shutting down
the power to the sensor.

C

H

E

E
C

R
K

R

O
S

R
E

!
N

S

O

R

At this time, LCD display looks like this and back light is flashes.
To recover from this state,requires a power cycle.
Turn OFF the power and check the connection of the sensor, the state of the plumbing
and please on the power again.
※As from firmware version 1.21 it is also possible to recover using SENSORINIT telnet command.
In case of using the telnet command power cycle is unnecessary.

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2-9．Communication commands
2-9-1．About
Command characters are all ASCII data.
The delimiter of communication command is CR+LF both transmit and receive case.
2-8-2．Commands
COMMANDACTION

VER?

Reply the software version of this unit.
(Example)"1.20 14-04-28 HPM-02"

PURITY?

Reply purity of helium gas.
(Example)"100.0%"If the sensor protection function is activated, andthe measurement is stopped,reply "---.-%".

TEMP?

Reply temperature of outer wall sensor.
(Example)"25DEG"
If the sensor protection function is activated, andthe measurement is stopped,reply "---DEG".

THRESHOLD n

Set up an E-mail sending threshold.
A setting range (n) is 20-100.
Please set up with the value in which an addition result with thehysteresis value by the below-mentioned HYS command does notexceed 100.
"Illegal Command" is returned when an addition result
exceeds 100.
(Example)"THRESHOLD 80" (threshold=80%)
The setting is stored internally even if the power is turned OFF.
Factory default setting is "80%".
If the sensor protection function is activated,the measurement is stopped and this setting is disabled.

THRESHOLD?

Reply an E-mail sending threshold. .
(Example)"80%"

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COMMANDACTIONHYS n

Set up the hysteresis value for the automatic return after E-mailsending. A setting range (n) is 0-100.
Please set up with the value in which an addition result with thethreshold by the above-mentioned THRESHOLD command
does not exceed 100.
"Illegal Command" is returned when an addition result
exceeds 100.
(Example)"HYS 10" (hysterisis=10%)
The setting is stored internally even if the power is turned OFF.
Factory default setting is "10%".
If the sensor protection function is activated,the measurement is stopped and this setting is disabled.

HYS?

Reply hysteresis value.
(Example)"10%"

EMAIL ON or OF

When referred to as "EMAIL ON", an E-mail function is enabled.
Please enable an E-mail function with this command after setting up
a threshold and a hysteresis value.
When referred to as "EMAIL OF", an E-mail function is disabled.
After sending this command, it becomes regardless of purity,a threshold, and a hysteresis value, and an E-mail function
becomes invalid. Please send the EMAIL ON command,when you make it again valid.
The setting is stored internally even if the power is turned OFF.
Factory default setting is "DISABLE".
If the sensor protection function is activated,the measurement is stopped and E-mail function is disabled

EMAIL?

Reply E-mail ON/OFF status.
Case of E-mail function is enabled :"ON".
Case of E-mail function is disabled :"OF".

TESTMAIL

It is a command which transmits E-mail in a tentative way.
When transmitting E-mail by this command,an E-mail function does not need to be valid.

SENSORINIT

Then the sensor protection function is triggered as explained in 2-8,
this command can be used to restore power to the sensor.

※If you send other commands, replies "Illegal Command!!".

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Acknowledgements
Hiroshi Hayasaka, Youichi Ootsuka, solid state physics 28 (1993) 230.
The mechanism of helium purity monitor is qwoted from this document.
We express our gratitude to them.
For the further information, feel free to ask us.

Tsuji-Electronics Co., Ltd
TEL: +81-(0)29-832-3031 FAX: +81-(0)29-832-2662
E-mail : info2@tsuji-denshi.co.jp
URL : http://www.tsujicon.jp
739, Kandatsu-machi, Tsuchiura-city, Ibaraki 300-0013, Japan

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