ES-6249 Rev.3

R10M-US2

Plug-in Remote I/O R10 Series

MODBUS I/O MODULE

(2 points, universal input)
Functions & Features
• Plug-in construction
• Modbus-RTU protocol communication
• Universal input configurable to T/C, RTD, potentiometer, resistor, DC current or voltage independently
• High-density mounting

MODEL: R10M-US2-R[1]

ORDERING INFORMATION

• Code number: R10M-US2-R[1]
Specify a code from below for [1].
  (e.g. R10M-US2-R/Q)
• Specify the specification for option code /Q
  (e.g. /C01)

I/O TYPE

US2: Universal input, 2 points

POWER INPUT

DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

[1] 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

• Installation base (model: R10-BS)
• PC Configurator cable (model: MCN-CON or COP-US)
• PC configurator software (model: R10CFG)
Downloadable at our web site.

PACKAGE INCLUDES...

• Terminating resistor 110 Ω (0.25 W)
• Cold junction sensor: 2 pcs.

GENERAL SPECIFICATIONS

Construction: Plug-in
Connection
• Connected to base with connector
• Base
 M2.6 screw terminals (torque: 0.5 N·m)
 Applicable solderless terminal size (M3)
Screw terminal: Nickel-plated steel
Housing material: Flame-resistant resin (black)
Isolation: Input to Modbus to power input to FE1
Burnout (T/C, RTD, potentiometer, resistor input): Selectable among with burnout or no burnout with PC configurator software (model: R10CFG)
Linearization (T/C, RTD input): Standard tables stored in memory
Cold junction compensation (T/C): CJC sensor (included) to be attached to the input terminals
Status indicators: Power, Run, Error
Configuration: Select sensors for 2 points each with PC Configurator Software (model: R10CFG)
Configurator connection: 2.5 dia. miniature jack
■Recommended solderless terminal size - M3 (unit: mm)

MODBUS COMMUNICATION

RS-485
Standard: Conforms to TIA/EIA-485-A
Protocol: Modbus-RTU, Modbus-ASCII
Transmission distance: 500 meters max.
Transmission media: Shielded twisted-pair cable
(CPEV-S 0.9 dia.)
Status indicator LED: RD, SD
Transmission setting: PC configurator software

INPUT SPECIFICATIONS

Input setting: Configurable via PC Configurator Software
■ Universal Input
No. of points: 2
DC current input
Input resistance: Input resistor (49.9 Ω) incorporated
Input range: 0 – 20 mA
DC voltage input range (-1000 – +1000 mV)
Input resistance: ≥ 10 KΩ
DC voltage input range (-10 – +10 V)
Input resistance: ≥ 1 MΩ
Thermocouple input
Input resistance: ≥ 10 kΩ
Input range: See Table 1
Burnout sensing: ≤ 4 μA
Conformance range: See Table 1
RTD input (2- or 3-wire)
Input sensing: ≤ 0.33 mA
Input range: See Table 1
Maximum leadwire resistance: 20 Ω per wire (for 3-wire)
∙Resistor input
Input sensing: ≤ 0.33 mA
Input range: 0 – 4000 Ω
Maximum leadwire resistance: 20 Ω per wire (for 3-wire)
∙Potentiometer input
Input sensing: ≤ 0.33 mA
Input range: 0 – 4000 Ω

INSTALLATION

Current consumption: ≤ 90 mA
Operating temperature: -10 to +55°C (14 to 131°F)
Storage temperature: -10 to +55°C (14 to 131°F)
Operating humidity: 10 to 90 %RH (non-condensing)
Atmosphere: No corrosive gas or heavy dust
Mounting: Installation Base (model: R10-BS)
Weight: 120 g (0.26 lb) except base

PERFORMANCE

Accuracy: See Table 1.
Cold junction compensation error (thermocouple input):
±2.0°C at 0 – 50°C (±3.6°F at 32 – 122°F)
  CJC sensor is adjacently attached to the input terminals.
Temp. coefficient: ±0.03 %/°C (±0.02 %/°F)
Burnout response (potentiometer, resistor, thermocouple, RTD input): ≤ 10 sec.
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @ 1 minute (input to Modbus to power input to FE1)

STANDARDS & APPROVALS

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

INPUT TYPE, RANGE & CONVERSION ACCURACY

CONFIGURATOR SOFTWARE SETTING

The following parameters can be set with using PC Configurator Software (model: R10CFG)
Refer to the users manual for the R10CFG for detailed operation of the software program.

EXTERNAL VIEW

MODBUS WIRING CONNECTION

TERMINAL ASSIGNMENTS

* Base does not come with the unit. Please order separately.

MODBUS FUNCTION CODES & SUPPORTED CODES

MODBUS I/O ASSIGNMENT

DATA CONVERSION

■ UNIVERSAL INPUT DATA (SCALING CONVERSION DATA, 16 bit)
■ UNIVERSAL INPUT DATA (TEMPERATURE DATA, 16 bit)
■ DATA ERROR STATUS (1 bit)

EXTERNAL DIMENSIONS unit: mm [inch]

MOUNTING REQUIREMENTS unit: mm [inch]

* Mounting requirements for base.

TERMINAL ASSIGNMENTS

CJC sensor attached for a thermocouple input.
* Base does not come with the unit. Please order separately.

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

Note: In order to improve EMC performance, bond the FE1 terminal to ground.
Caution: FE1 terminal is NOT a protective conductor terminal.