Specifications
9-36
Remote I/O Servers
Remote I/O Servers
www.m o x a . c o m e - m a i l : i n f o @ m o x a . c o m
9
Features
R2140
RS-485 Remote I/O Server with 8 Analog Inputs, 2 Analog Outputs
8-channel analog input for mV, voltage, current signal with wire-off
detection (at 4 to 20 mA)
2-channel analog output for voltage, current actuator control
16-bit resolution analog input, 12-bit resolution analog output
Easy-to-use, quick programming lib for VB, VC++, BCB
NIST-Traceability calibration for analog I/O channels
Easy firmware upgrade over RS-485
Serial
Interface: RS-485 (2-wire): Data+, Data-, GND
Serial Line Protection: 15 KV ESD for all signals
Serial Communication Parameters
Parity: None
Data Bits: 8
Stop Bits: 1
Flow Control: None
Speed: 9600 to 115200 bps
Protocol: Modbus/RTU
Built-in RTC: Yes
Power Requirements
Power Input: 24 VDC nominal, min 12 VDC, max 48 VDC
Power Consumption: 195 mA @ 24 VDC (typ.)
DO Power: 24 VDC nominal, up to 36 VDC
Mechanical Specifications
Wiring: I/O cable max. 14 AWG
Environmental
Operating Temperature: -10 to 60°C (14 to 140°F), 5 to 95%RH
Storage Temperature: -40 to 85°C (-40 to 185°F), 5 to 95%RH
Shock: IEC60068-2-27
Freefall: IEC60068-2-32
Vibration: IEC60068-2-6
Analog Input
Input: 8
Resolution: 16-bit
Input Range: +/-150 mV, +/-500 mV, +/-5 V, +/-10 V, 0 to 20 mA, 4 to
20 mA
Data Format: 16-bit integer
Accuracy: +/- 0.1%, FSR @ 25°C, +/- 0.3%, FSR @ -10, 60°C
Sampling Rate: 10 samples/sec (voltage), 6 samples/sec (current)
Built-in Resistor for Current Input: 125 Ohm
Optical Isolation: 3K VDC
Overvoltage: Can withstand continuous overvoltage (protection range
-10V to 10V)
Analog Output
Outputs: 2
Resolution: 12-bit
Output Range: 0 to 10V, 4 to 20 mA
Drive Voltage: 15 VDC for current output
Accuracy: +/- 0.1%, FSR @ 25°C, +/- 0.3%, FSR @ -10, 60°C
(current) CMR @ 50/60 Hz: 95 dB min.
Zero Drift: +/- 9 μV/°C
Span Drift: +/- 25 ppm/°C
Load Resistor: < 250 Ohm
Agency Approvals
EMI: FCC Part 15, CISPR (EN55022) Class A
EMS: IEC61000-4-2 (ESD), Level 2/3, IEC61000-4-3 (RS), Level 2,
IEC61000-4-4 (EFT), Level 2, IEC61000-4-5 (Surge), Level 3,
IEC61000-4-6 (CS), Level 2, IEC61000-4-8 (PM), Level 1,
IEC61000-4-11 (Dip)
Safety: UL 508
Warranty: 2 years
Specifications