·Some details are not shown. Please refer to specification sheets for all information.

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 (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating

RELATED PRODUCTS
• Installation base (model: R10-BS)
• PC configurator software (model: R10CFG)
The configurator software is downloadable at M-System’s 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.

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

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)

MODBUS COMMUNICATION
RS-485
Standard: Conforms to TIA/EIA-485-A
Protocol: Modbus-RTU
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: ≤ 4μA
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 s
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 R30CFG for detailed operation of the software program.

EXTERNAL VIEW

MODBUS WIRING CONNECTION

TERMINAL ASSIGNMENTS

MODBUS FUNCTION CODES & SUPPORTED CODES

MODBUS I/O ASSIGNMENT

DATA CONVERSION

EXTERNAL DIMENSIONS unit: mm [inch]

MOUNTING REQUIREMENTS unit: mm [inch]

TERMINAL ASSIGNMENTS
CJC sensor attached for a thermocouple input.

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

MG Co., Ltd.