ES-5661 Rev.16

R1M-A1

Remote I/O R1M Series

CONTACT INPUT MODULE

(contact input, 32 points)
Functions & Features
• 32-point dry contact inputs
• Easy system expansion via Modbus RTU

MODEL: R1M-A1[1]-[2][3]

ORDERING INFORMATION

• Code number: R1M-A1[1]-[2][3]
Specify a code from below for each of [1] through [3].
  (e.g. R1M-A1T-M2/Q)
• Specify the specification for option code /Q
  (e.g. /C01)

[1] FIELD TERMINAL TYPE

T: M3 screw terminals
C1: FCN type connector (No CE conformance)

[2] POWER INPUT

AC Power
M2: 100 – 240 V AC (Operational voltage range 85 – 264 V,
 47 – 66 Hz)
DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

[3] OPTIONS

blank: none
/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q

COATING (For the detail, refer to our web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating

RELATED PRODUCTS

• Connector terminal block (model: CNT)
• Special cable (model: FCN32)
• R1X configurator software (model: R1CON)
Downloadable at our web site.
A dedicated cable is required to connect the module to the PC.  Please refer to the internet software download site or the users manual for the PC configurator for applicable cable types.

GENERAL SPECIFICATIONS

Connection
  Power input, transmission
: Euro type connector terminal
  (Applicable wire size: 0.2 – 2.5 mm2 (AWG24 – 12), stripped
  length 7 mm)
  RS-232-C: 9-pin D-sub connector (male)
  (Lock screw No. 4-40 UNC)
  Input: M3 screw terminals (torque: 0.6N·m) 
  or FCN type connector (OTAX N364P032AU
(Fujitsu FCN-364P032-AU...discontinued))
Screw terminal: Nickel-plated steel
Housing material: Flame-resistant resin (gray)
Isolation: Input to RS-232-C or RS-485 to power
Count memory at power loss: Count value is not saved when the power supply is lost.
Node address setting: Rotary switch; 1 – F (15 nodes)
RUN indicator LED: Green light blinks in normal conditions.

COMMUNICATION

Baud rate: 38.4 kbps
Communication: Half-duplex, asynchronous, no procedure
Protocol: Modbus RTU
Refer to Modbus Protocol Reference Guide (EM-5650) for supported functions.
RS-232-C
Standard
: Conforms to RS-232-C, EIA
Transmission distance: 10 meters max.
RS-485
Standard
: Conforms to TIA/EIA-485-A
Transmission distance: 500 meters max.
Transmission media: Shielded twisted-pair cable (CPEV-S 0.9 dia.)

INPUT SPECIFICATIONS

Input: Dry contact, 32 points
Commons: All negatives
Sensing: Approx. 5 V DC (pull-up resistance 22 kΩ)
≤ 1.5 V at ON
≥ 4 V at OFF
Sampling rate: 50 msec.
Totalizing Counter Function
Number of input channels
: 16
(ch.1 thr. 16 available both with instantaneous status and totalized value)
Max. input frequency: 100 Hz
Minimum pulse width: 5 ms
Counter reset input: Pulse rising (ch.32 assigned)
Max. counter value: 999 999 999 (reset to zero at overflow)

INSTALLATION

Power consumption
AC: Approx. 10 VA
•DC: Approx. 7 W
Operating temperature: -5 to +60°C (23 to 140°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: 400 g (0.88 lb)

PERFORMANCE

Multi-transmission time: 5 msec.
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @ 1 minute (input to RS-232-C or RS-485 to power to FG)

STANDARDS & APPROVALS

EU conformity:
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
Low Voltage Directive 
  EN 61010-1, EN 61010-2-201
  Measurement Category II (output)
  Pollution Degree 2
  Input or RS-232-C/RS-485 to power: Reinforced insulation (300 V)
  Input to RS-232-C/RS-485: Basic insulation (300 V)
RoHS Directive

EXTERNAL VIEW

MODBUS WIRING CONNECTION

CONNECTION DIAGRAM

Note: In order to improve EMC performance, bond the FG terminal to ground.
Caution: FG terminal is NOT a protective conductor terminal.

MODBUS COMMUNICATION

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

■ M3 SCREW TERMINALS
■ FCN TYPE CONNECTOR

SYSTEM CONFIGURATION EXAMPLES