MODEL: R1M-GH
Remote I/O R1M Series
THERMOCOUPLE & DC INPUT MODULE
(16 points)
Functions & Features
• 16-point thermocouple or DC inputs
• Easy system expansion via Modbus RTU
40
(1.57)
115
(4.53)
mm (inch)
175 (6.89)
MODEL: R1M-GH2T-[1]
ORDERING INFORMATION
• Code number: R1M-GH2T-[1]
Specify a code from below for [1]
e.g. R1M-GH2T-M2
FIELD TERMINAL TYPE
T: M3 screw terminals
[1] 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.)
RELATED PRODUCTS
• Resistor module (model: REM3-250)
• R1X configurator software (model: R1CON)
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.
GENERAL SPECIFICATIONS
Connection
Power input, transmission: Euro type connector terminal
RS-232-C: 9-pin D-sub connector (male)
I/O: M3 screw terminals
Isolation: Input to RS-232-C or RS-485 to power
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
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 RS-485, EIA
Transmission distance: 500 meters max.
Transmission media: Shielded twisted-pair cable (CPEV-S
0.9 dia.)
INPUT SPECIFICATIONS
Input: Thermocouple or DC input, 16 points
(Common negative for DC input)
Measuring Range:
±20 V, ±5 V, ±1 V, ±0.8 V, ±0.2 V, ±50 mV, ±10 mV
Input resistance: 300 kΩ
Thermocouple types: PR, K, E, J, T, B, R, S, C, N, U, L, P
Sampling rate: 100 millisec./16 points
• Trigger input: Dry contact; ON detected at ≤1.5 V
Sensing: Approx. 5 V DC @ 1 mA
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 lbs)
PERFORMANCE (% of measuring range)
Accuracy
DC input: ±0.3 %
Thermocouple input: See the table on the end of this
section.
Cold junction compensation error: ±3°C or ±5.4°F max.
(at 20°C ±10°C or 68°F ±18°F)
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
±0.05 %/°C (±0.03 %/°F) for 10 mV range
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 ground)
Rugghölzli 2
CH - 5453 Busslingen
Tel. +41 (0)56 222 38 18
Fax +41 (0)56 222 10 12
www.sentronic.com
Produkte, Support und Service
SENTRONIC
AG
