Westermo RM-115S - Manual (Page 55)

115S Serial I/O Module User Manual
man_115S_1.14.docx Page 55
Appendix D. Specifications
EMC Approval
EN 55024:1998
EN 61000-3-2: 2002
EN 61000-3-3: 2002
EN 55022: 1998
FCC Part 15
Operating temperature
range -40 to +60 deg C
Power supply 10.8 – 30.0 VDC
13.8V / 24VDC nom
Model Dependent. Check
rear label for actual
operating voltages
Supply current (idle 13.8V)
-11
-12
-13
100mA
100mA
120mA
Supply current for I/O
per digital input
per digital output
per analog input
per analog output
13mA
13mA
50mA
50mA
If using 24V loop supply
Loop supply 24V nominal * * Loop supply will follow
115S-xx power supply
voltage above 24V input.
Loop supply max current 115S-12 : 270mA
115S-13 : 160mA
RS232 port Modbus protocol
RS485 port Modbus protocol
ELPRO E-Series protocol
Modbus protocol
Transmission modes Modbus ASCII 8 data bits
Modbus ASCII 7 data
bits**
Modbus RTU
** If no parity, use 2 stop
bits. If using parity, use 1
stop bit.
Baud rates 1200; 2400; 4800; 9600;
14,400; 19,200; 28,800;
38,400; 57,600; 76,800;
115,200
Parity Odd, even, none
Stop bits 1, 2
Slave address Modbus = 01-99 Elpro = 96 - 127. Note:
Each module requires 3
addresses meaning the
maximum number of serial
modules per radio is 10.