A, B: Connect RS485
(Modbus)
RS485
termination
switch
Up = terminated
Down = un-terminated
Power and
Modbus
connector
Modbus
Master
115S
115S
115S
A
A
B
A
B
A
B
RS485
RS485
Termination
switch up
(terminated)
Set a unique Modbus slave address for each 115S
connected to the Modbus Master
Example shows address “01”
Consult user manual for Modbus addresses
ADDRESSING
x10
x1
115S
B A
- +
POWER
Modbus
Master
Power
Supply
Power Connections:
EARTH wiring minimum 2mm² - 14 AWG
B A
- +
ON
115S Quick Setup Guide - Connections
inst_115S_1.13.vsd
©
ELPRO Technologies.
Address switches must be 00 for E-Series protocol
Example shows address “00”
Setup using ELPRO E-Series configuration utility.
ADDRESSING
x10
x1
Connection to Modbus Master
Connection to E-Series Radio
Power
Power
Power
Modbus
Modbus
Modbus
+
-
A, B: Connect RS485
(Elpro)
RS485
Termination
switch
Up = terminated
Down = un-terminated
Power and
RS485
connector
E-Series
Module
115S
115S
115S
A
B
A
B
A
B
A
B
RS485
RS485
Termination
switch up
(terminated)
B A
- +
POWER
E-Series
Radio
Power
Supply
Power Connections:
115S-11: 300mA max
115S-12: 900mA max
115S-13: 900mA max
+
-
B A
- +
RS485
Termination
switch up
(terminated)
ON
**Check rear label for
operating voltages
Power
Power
Power
RS485
RS485
RS485
Battery
_
+
Supply
Earth
115S
115S
B
RS485 Termination
switch up (terminated)
or
120
Ω
Fitted across
RS485
115S
115S
115S
Earth
Earth
Earth
Earth
Earth
Earth
Earth
Earth
Earth
‘+’ : Pos Supply
(10.8 to 30 VDC**)
‘-’ : Neg Supply
Ensure all earth connections are at the same potential.
EARTH wiring minimum 2mm² - 14 AWG
Ensure all earth connections are at the same potential.
THIS EQUIPMENT IS SUITABLE FOR USE IN CLASS 1 DIVISION 2 GROUPS A,B,C AND D, OR NONHAZARDOUS LOCATIONS ONLY.
WARNING
‐
EXPLOSION HAZARD
‐
DO NOT DISCONNECT EQUIPMENT WHILE THE CIRCUIT IS LIVE OR UNLESS THE AREA IS KNOW TO BE FREE OF IGNITABLE CONCENTRATIONS.
WARNING
‐
EXPLOSION HAZARD
‐
SUBSTITUTION OF ANY COMPONENT MAY IMPAIR SUITABILITY FOR CLASS I, DIVISION 2.
115S-11: 300mA max
115S-12: 900mA max
115S-13: 900mA max
**Check rear label for
operating voltages
‘+’ : Pos Supply
(10.8 to 30 VDC**)
‘-’ : Neg Supply
