MODEL: R3-PA16
Remote I/O R3 Series
TOTALIZED PULSE INPUT MODULE(Pi 16 points)/C02: Polyurethane coating/C03: Rubber coating
EX-FACTORY SETTING/SET: Preset according to the Ordering Information Sheet(No. ESU-8389)

27.5 [1.08]

RELATED PRODUCTS• Interface module (model: R3-NCx, R3-NCIE1, R3-NE1,R3-NM1, R3-NDx, R3-NFL1, R3-NP1, R3-NFx, R3-NML3.
R3-NF2: Firmware version V0.05 or later)
Note:• Count reset by host PC/PLC:
Available with this unit and the above mentioned interface
modules of firmware version V2.00 or later, except R3-NFx.
Notice that Count reset by host PC/PLC via R3-NFx orinterface module of previous versions of firmware is unable.
• Count preset by host PC/PLC:
It is only available in combination with this unit displayed'SW3-4 RESET/PRESET' on the right side panel and theinterface module R3-NM1 or R3-NE1 of firmware version
V2.00 or later. Count preset is not available for othercombination.
Notice that this function is not available in the same time ascount preset by host PC/PLC.

130[5.12]

109[4.29]

mm [inch]

MODEL: R3-PA16[1][2]ORDERING INFORMATION• Code number: R3-PA16[1][2]Specify a code from below for each of [1] and [2].
(e.g. R3-PA16W/A/CE/PRS/Q)• Specify the specification for option code /Q(e.g. /C01/SET)GENERAL SPECIFICATIONS

NO. OF CHANNELS
16: 16[1] COMMUNICATION MODE
S: Single
W: Dual[2] OPTIONS (multiple selections)Excitation
Blank: Internal (negative common)/A: External (24 V DC, negative common)Standards & Approvals
blank: Without CE/CE: CE marking
EX-FACTORY SETTING
blank: Enable count reset by host PC/PLC/PRS: Enable count preset by host PC/PLC
Other Options
blank: none
/Q: Option other than the above (specify the specification)

Connection
Internal bus: Via the Installation Base (model: R3-BSx)
Input: M3 separable screw terminal (torque 0.5 N·m)
Internal power: Via the Installation Base (model: R3-BSx)
Screw terminal: Nickel-plated steel
Isolation: Input to internal bus or internal power
RUN indicator: Bi-color (red/green) LED;
Red when the bus A operates normally;
Green when the bus B operates normally;
Amber when both buses operate normally.
ERR indicator: Bi-color (red/green) LED;
Red with excitation abnormality;
Green in normal operating conditions.
Input status indicator: Red LED; turns on with the input ON.
Count reset: Via DIP switch on the side or one pulse to reset
input
Count setting from host PC/PLC: Count reset/count preset ischangeable via DIP switch on the side.

SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to our web site.)/C01: Silicone coating
R3-PA16 SPECIFICATIONS

MG CO., LTD.
www.mgco.jp

ES-8389 Rev.15 Page 1/6

MODEL: R3-PA16
INPUT SPECIFICATIONSFUNCTIONS

Number of input: 16 points
Input resistance: 6 kΩCommon: Negative commons, all points
Maximum frequency: 100 Hz (ON/OFF time ≥ 5 msec.)
This unit is designed to be able to accept a frequency up to100 Hz, however, ‘chattering’ contact must be avoided for
accurate measuring of such high frequency. Use relays that
do not cause any chattering.
Totalized pulse range: 1 – 10000 (‘0’ at reset)
Max. pulse range selectable from 1 to 65535 using theR3CON PC Configurator Software. Refer to the R3CON Users
Manual for detailed information.
Count at overflow: Reset and restart at ‘1.’
■ R3-PA16x (internal excitation)
Sensing voltage: 13 V DC (max. 24 V with no load)
ON current: ≥ 1.5 mA (≤ 1.5 kΩ)OFF current: ≤ 0.75 mA (≥ 18 kΩ)■ R3-PA16x/A (external excitation)
Sensing voltage: 24 V DC
ON current: ≥ 1.5 mA (≤ 12 kΩ)OFF current: ≤ 0.75 mA (≥ 36 kΩ)■ MANUAL COUNT RESET
1) Remove Network Module or its cables and interrupt
communication with other devices.
2) Turn ON the Count Reset SW.
3) Return the module to the base and turn the power supplyon.
4) ERR LED turns on and the module starts resetting its
counter. When the resetting is complete, the LED turns togreen. DO NOT remove the power while the red LED is on.
The RUN LED starts blinking at the same time.
5) After the green LED is confirmed, turn the power supplyoff.
6) Turn OFF the Count Reset SW.
7) Return the Network module onto the base and turn thepower supply on.
Note: Count Reset SW must be turned OFF after thisprocedure because the module does not start counting withON state.
■ REMOTE COUNT RESET INPUT
With the Count Reset Input SW (SW3-3) turned ON, the Pi 16
pulse input can be used to remotely reset the count values.
SW3-3 = OFF: Pi 16 is used as a pulse input.
SW3-3 = ON: Pi 16 is used to reset the count values for thePi 1 through Pi 15. One pulse supplied at the Pi 16 will berecognized as a reset signal.
■ REMOTE COUNT RESET OPERATION
1) ERR LED turns on (red color) when the reset signal isreceived.
2) In 1 second, the module starts resetting its counter.
When the resetting is complete, the LED turns to green.
3) After 1 second, ERR LED turns back to the state before
the reset signal has been received.
Note: Reset signals received while the module is processing(1) through (3) are ignored.
■ COUNT RESET FROM HOST PC/PLC
Refer to “COUNTER SETTING FROM HOST PC/PLC” section
hereafter.

INSTALLATION
Operating temperature: -10 to +55°C (14 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Atmosphere: No corrosive gas or heavy dust
Mounting: Installation Base (model: R3-BSx)
Weight: 200 g (0.44 lb)

PERFORMANCE
Data allocation: 16
Current consumption:
R3-PA16x: 100 mA
R3-PA16x/A: 80 mA
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @ 1 minute(input to internal bus or internal power)2000 V AC @ 1 minute (power input to FG; isolated on thepower supply module)

STANDARDS & APPROVALS
EU conformity:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
RoHS Directive

R3-PA16 SPECIFICATIONS

MG CO., LTD.
www.mgco.jpES-8389 Rev.15 Page 2/6

MODEL: R3-PA16
EXTERNAL VIEW
■ FRONT VIEW

■ SIDE VIEW

RUN LED

ERR LED

9101112131415161234567811121314151617181920Status Indicator LED

1Functions

234SW354321678Count Settingfrom Host PC/PLC
Count Reset Input
Count ResetON

910Set the Count Reset SW to OFF to start counting.

R3-PA16 SPECIFICATIONS

MG CO., LTD.
www.mgco.jpES-8389 Rev.15 Page 3/6

MODEL: R3-PA16
COUNTER SETTING FROM HOST PC/PLC■ COUNTER RESET(Available for R3-NCx, R3-NCIE1, R3-NE1, R3-NMx, R3-NDx, R3-NFL1, R3-NP1, R3-NML3 (Firmware version 2.00 or later,
R3-NM3: Firmware version V1.00 or later))
Setting SW3-4 OFF and turning power on enable the function.
The bits indicating the channels to reset counter are allocated in the first word from host PC/PLC.
When these bits are changed from 0 to 1, the counter is reset. When it is confirmed that the counter is reset, return to 0.
Notice that if the bit remains at 1, the next reset will not work.
150

Count reset CH.1
Count reset CH.2
Count reset CH.3
Count reset CH.4

Count reset CH.16■ COUNTER PRESET(Available in combination with R3-NE1, R3-NMx (Firmware version 2.00 or later, R3-NM3: Firmware version V1.00 or later), andR3-PA16 displayed ‘SW3-4 RESET/PRESET’ on the right side)
Setting SW3-4 ON and turning power on enable the function.
Write the preset value to the Holding Resisters, which has same address as the Input Resisters.
When writing the same preset value consecutively, perform the following steps.
- Reset the power of the main unit.
- Temporarily write a different preset value. (e.g. 1000 > 2000 > 1000 etc.)• Input Resisters• Holding Resisters

AddressAddressn+0Input 1n+0

Preset value of Input 1n+1

Input 2n+1

Preset value of Input 2n+2Input 3n+2

Preset value of Input 3n+3Input 4n+3

Preset value of Input 4n+14Input 15n+14

Preset value of Input 15Input 16n+15

Preset value of Input 16

R3-PA16 SPECIFICATIONS

ES-8389 Rev.15 Page 4/6n+15

MG CO., LTD.
www.mgco.jp

MODEL: R3-PA16
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
27.5 [1.08]

121314151617181920123

POSITIONINGGUIDE20–M3SCREW456786.2[.24]

130 [5.12]11109 [4.29]

910TERMINALCOVER

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM■ OPTION: Blank■ OPTION: /A
STATUS
RUN LED ERR LED INDICATOR LED

Pi 2 2Pi 3 3Pi 4 4Pi 5 5Pi 6 6Pi 7 7Pi 8 8Pi 9 11Pi 10 12
Pi 11 13
Pi 12 14
Pi 13 15Pi 14 16
Pi 15 17
Pi 16 1812345678910111213141516191020Pi 2 2Pi 3 3Pi 4 4Pi 5 5Pi 6 6Pi 7 7Pi 8 8Pi 9 11Pi 10 12Pi 11 13
Pi 12 14Pi 13 15Pi 14 16
Pi 15 17Pi 16 18COM(+)

9**Input Circuit
Pi 1 191CommunicationCircuit

23ControlCircuit

4BUS CONNECTOR

Input Circuit
Pi 1 1

INTERNAL BUS A
INTERNAL BUS B *INTERNAL POWER

56DIP SW

78910111213141516+24V

190V

100V

20
Numbers in italic indicate LED No.s assigned to the front panel LEDs.
* For dual redundant communication.
** DO NOT use the terminals No. 9 and 19.

R3-PA16 SPECIFICATIONS

MG CO., LTD.
www.mgco.jpES-8389 Rev.15 Page 5/6

MODEL: R3-PA16Specifications are subject to change without notice.

R3-PA16 SPECIFICATIONS

MG CO., LTD.
www.mgco.jpES-8389 Rev.15 Page 6/6