·Some details are not shown. Please refer to specification sheets for all information.
R1MS-GH3
Remote I/O R1M Series
THERMOCOUPLE & DC INPUT MODULE (8 points, isolated)
Functions & Features • 8-point thermocouple or DC inputs • Complete channel-to-channel isolation • Trigger input and alarm contact output • Filtering protection against 50/60 Hz noise • Modbus RS-485 and RS-232-C interface • Easy system expansion via Modbus RTU
MODEL: R1MS-GH3T-[1][2]
ORDERING INFORMATION • Code number: R1MS-GH3T-[1][2] Specify a code from below for each [1] and [2]. (e.g. R1MS-GH3T-M2/Q) • Specify the specification for option code /Q (e.g. /C01)
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.)
[2] OPTIONS blank: none /Q: With options (specify the specification)
SPECIFICATIONS OF OPTION: Q COATING (For the detail, refer to M-System's web site.) /C01: Silicone coating /C02: Polyurethane coating /C03: Rubber coating
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 (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) I/O: M3 screw terminals (torque: 0.6N·m) PC Configurator: Miniature jack, RS-232-C level Screw terminal: Nickel-plated steel Housing material: Flame-resistant resin (gray) Isolation: Input 1 to input 2 to input 3 to input 4 to input 5 to input 6 to input 7 to input 8 to trigger input to alarm output to RS-232-C or RS-485 or configurator jack to power to FG Burnout: Upscale, downscale or no burnout selectable with the operating mode setting rotary switch (default: No). Set to ‘No Burnout’ when other devices are connected in parallel to the R1MS. Operating mode setting: Rotary switch; burnout type and line noise frequency setting Line noise filtering: Specifying line frequency to 50 Hz or 60 Hz in order to increase normal mode noise rejection ratio. (default: 50/60 Hz for use with both frequencies) 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: Thermocouple or DC input within ±10 V, 8 points • Input resistance Thermocouple: ≥ 1 MΩ when powered; ≥ 200 kΩ when not powered DC: ≥ 800 kΩ when powered; ≥ 700 kΩ when not powered Thermocouple types: PR, K, E, J, T, B, R, S, C, N, U, L, P Sampling rate: 50 millisec./8 points • Trigger input: Dry contact; ON detected at ≤ 1.5 V Sensing: Approx. 3 V DC @ 0.8 mA • Burnout detecting: ≤ 45 nA for upscale or downscale; ≤ 5 nA with no burnout (when measuring 0°C) Burnout response: ≤ 10 seconds
OUTPUT SPECIFICATIONS ■ Alarm Output: Photo MOSFET relay (no polarity); ≤ 50 Ω at ON, ≥ 1 MΩ at OFF; OFF when not powered Peak load voltage: 50 V max. Continuous load current: 50 mA max. Peak load current: 300 mA max. (≤ 0.1 sec.)
INSTALLATION Power consumption •AC: Approx. 9 VA •DC: Approx. 3.5 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: 450 g (0.99 lb)
PERFORMANCE (% of measuring range) Accuracy DC input: ±0.05 % (±10 mV) Thermocouple input: See the table below. Cold junction compensation error: (°C) ≤ ±(1.0 + [Ambient Temp. – 20] × 0.04) in stable ambient temperature (e.g. ±1.4°C at 10°C and 30°C) Sudden ambient temperature change affects the cold junction compensation. Be sure to place the R1MS in stable ambient. Temp. coefficient: ≤ (Accuracy / 4) / °C (e.g. DC: ±0.0125 %/°C or ±2.5 mV/°C, TC: ±12.5 μV/°C, ±0.2°C/°C with type E) Response time: Approx. 0.55 sec. (0 – 90 %) Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength: 1500 V AC @ 1 minute (input 1 to input 2 to input 3 to input 4 to input 5 to input 6 to input 7 to input 8 to trigger input to alarm output to RS-232-C or RS-485 or configurator jack) 2000 V AC @ 1 minute (input or alarm output or RS-232-C or RS-485 or configurator jack to power to FG) Normal mode noise rejection: ≥ 85 dB (50/60 Hz) with the filtering set to a specific frequency; ≥ 35 dB with 50/60 Hz setting Common mode noise rejection: ≥ 120 dB (50/60 Hz)
EXTERNAL VIEW
COMMUNICATION CABLE CONNECTIONS
CONNECTION DIAGRAM
MODBUS COMMUNICATION
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)