SPEC SHEET
Digital Indicating ORP Meter
AER-101-ORP• 48 x 96 mm, panel mounting type• Drip-proof/Dust-proof IP66 (for front panel only)• Power supply 24 V AC/DC available (user-specified)• 2-points Contact output (Standard), additional 2 points (Optional)• Proportional control, Max 4 points of relay contact• Various settings & calibration via software communication (RS-485) (Optional)• Cleansing output function
NameModel

Digital Indicating ORP Meter
AER - 1 0
Input pointsInput11-ORP,1 point
ORP Combined Electrode Sensor
100 to 240 V AC (Standard)
Power supply voltage
124 V AC/DC (*)
C5
Serial communication RS-485
OptionEVT3
EVT3, EVT4 outputs (Contact output 3, 4)(*) Power supply voltage 100 to 240 V AC is standard.
When ordering 24 V AC/DC, enter 1 in Power supply voltage, after ORP.
Measurement range

Repeatability
Linearity
Input sampling period
Time accuracy
ORP inputs formoving averageContact output

ORP-2000 to 2000 mV Resolution: 1 mVWithin 5 mV (at equivalent input)
Within 5 mV (at equivalent input)
125 msWithin 1% of setting time
1 to 120 times

Relay contact 1aControl capacity: 3 A 250 V AC (Resistive load), 1 A 250 V AC (Inductive load, cos =0.4)
Electrical life: 100,000 cycles
Output action: P control, ON/OFF control
Converting ORP value or MV to analog signal every input sampling period, outputs the value
Transmission
in current.
outputIf Transmission output high limit and low limit are set to the same value, Transmission output
will be fixed at 4 mA DC.
Bar graph indication is possible in accordance with transmission output.
Resolution: 12000
Output: 4 to 20 mA DC (Load resistance: Max. 550 )Output accuracy: Within 0.3% of Transmission output span
The CPU is monitored by a watchdog timer, and if an abnormal status occurs,Self-diagnosis
the instrument is switched to warm-up status.
Ambient temperature 0 to 50
Ambient humidity
35 to 85 %RH (Non-condensing)Power supply
AER-101-ORP: 100 to 240 V AC 50/60 Hz Allowable fluctuation range: 85 to 264 V AC
voltage
AER-101-ORP 1: 24 V AC/DC 50/60 Hz
Allowable fluctuation range: 20 to 28 V AC/DC(user-specified)
Flush (Applicable panel thickness: 1 to 8 mm)
StructureCase: Flame-resistant resin
Color: Black
Front panel: Membrane sheet
Drip-proof/Dust-proof IP66 (for front panel only)
Protection structure Overvoltage category , Pollution degree 2 (IEC61010-1)
Safety standards
RoHS directive compliantDimensions
W48 x H96 x D110 mm, Case depth: 98.5 mm (when mounted through a control panel)
WeightApprox. 280 g

Serialcommunication[C5 option]

The following operations can be carried out from an external computer.
(1) Reading and setting of various data
(2) Reading of the ORP value and status(3) Function change, adjustment(4) Reading and setting of user save area
Cable length
1.2 km (Max.), Cable resistance value: Within 50(Terminators are notnecessary, but if used, use 120
minimum on both sides.)Communication line EIA RS-485
Communication
Half-duplex communication
methodCommunication
9600, 19200, 38400 bps (selectable by keypad)
speed
Synchronization
Start-stop synchronization
methodCode form
ASCII, BinaryCommunication
Shinko protocol, MODBUS ASCII, MODBUS RTU (selectable by keypad)
protocolData bit/Parity
8-bits/No parity, 7-bits/No parity, 8-bits/Even, 7-bits/Even, 8-bits/Odd,
7-bits/Odd (Selectable by keypad)
Stop bit
1, 2 (Selectable by keypad)
Error correction
Command request repeat system
Parity check, Checksum (Shinko protocol),Error detection
LRC (MODBUS protocol ASCII), CRC-16 (MODBUS protocol RTU)
Data Format
Communication Protocol Shinko Protocol
MODBUS ASCIIMODBUS RTU
Start bit111
Data bit77 (8) Selectable
8
Even (No parity, Odd) No parity (Even, Odd)
Even
ParitySelectable
Selectable
Stop bit
11 (2) Selectable
1 (2) Selectable

EVT3, EVT4 outputs(Contact output 3, 4)[EVT3 option]
Dimensions,
Panel cutout(Scale: mm)

Same as Contact output

Screw type mounting
bracket130

n×48-3 ＋0.5
092＋0.8091

9692＋0.8
0Terminal cover(sold separately)

106.2

Gasket48

Terminalarrangement

11.5

98.5
104.5 (with terminal cover)

Horizontal close mounting
n: Number of mounted units

45＋0.50

GND: Ground 1
POWER SUPPLY: ( 2 - 3 )100 to 240 V AC or 24 V AC/DC (For 24 V AC/DC,‘1’ is entered after ‘ORP’.)For 24 V DC, do not reverse polarity.
EVT1: EVT1 output (Contact output 1) ( 5 - 6 )EVT2: EVT2 output (Contact output 2) ( 7 - 8 )TRANSMIT OUTPUT: Transmission output ( 11 - 12 )M, R: ORP combined electrode sensor ( 15 - 16 )When C5 option is ordered:
RS-485: Serial communication
2 connectors are wired internally.
When EVT3 option is ordered:
EVT3: EVT3 output (Contact output 3)
EVT4: EVT4 output (Contact output 4)

202001 E03