115S Quick Setup Guide - Connections
inst_115S_1.13.vsd
© ELPRO Technologies.
THIS EQUIPMENT IS SUITABLE FOR USE IN CLASS 1 DIVISION 2 GROUPS A,B,C AND D, OR NONHAZARDOUS LOCATIONS ONLY.
Connection to Modbus Master
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
x1
x10
POWER
B A
Power
Supply
Modbus
Master
+
115S
115S
115S
Power Connections:
‘+’ : Pos Supply
(10.8 to 30 VDC**)
‘-’ : Neg Supply
Power
Modbus
Earth
- +
Earth
Power
Modbus
Modbus
**Check rear label for
operating voltages
Earth
Earth
EARTH wiring minimum 2mm² - 14 AWG
Up = terminated
Down = un-terminated
B A
ON
RS485
termination
switch
Modbus
Master
RS485 Termination
switch up (terminated)
or
120Ω Fitted across
RS485
A
B
- +
POWER
B A
Power
Supply
+
E-Series
Radio 115S
B
115S
A
B
115S
A, B: Connect RS485
(Modbus)
A
B
Power Connections:
Supply
RS485
_
+
Earth
- +
‘+’ : Pos Supply
(10.8 to 30 VDC**)
‘-’ : Neg Supply
Power
RS485
RS485
Power
Power
115S-11: 300mA max
115S-12: 900mA max
115S-13: 900mA max
Earth
Battery
Earth
Earth
Earth
EARTH wiring minimum 2mm² - 14 AWG
RS485
B A
Up = terminated
**Check rear label for
operating voltages
Down = un-terminated
RS485
Termination
switch up
(terminated)
RS485
Termination
switch up
(terminated)
E-Series
Module
A
B
- +
A, B: Connect RS485
(Elpro)
ON
RS485
Termination
switch
115S
115S
-
Power and
Modbus
connector
115S
A
Address switches must be 00 for E-Series protocol
Example shows address “00”
Setup using ELPRO E-Series configuration utility.
Ensure all earth connections are at the same potential.
Ensure all earth connections are at the same potential.
RS485
x1
x10
115S-11: 300mA max
115S-12: 900mA max
115S-13: 900mA max
Power
Earth
ADDRESSING Connection to E-Series Radio
115S
A
B
Power and
RS485
connector
115S
A
B
115S
A
B
RS485
Termination
switch up
(terminated)
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.
© ELPRO Technologies
inst_115S_1.13.vsd
THIS EQUIPMENT IS SUITABLE FOR USE IN CLASS 1 DIVISION 2 GROUPS A,B,C AND D, OR NONHAZARDOUS LOCATIONS ONLY.
115S-11
DIGITAL
INPUTS
115S-12
Ensure correct DIP switch positions AND
software configuration has been completed for
each analogue input BEFORE connecting
external signals to the 115S-12 module.
115S Module
V+
V+
DIFFERENTIAL
CURRENT INPUTS
DIO1
Voltage free
contact
DIO2
115S-12
VGND
Supply
115S-12
AOT2
AIN2
AIN2
V-
+
-
AIN4
V-
+
Externally
powered sensor
DIFFERENTIAL
VOLTAGE INPUTS
+
GND
+
Sensors with
voltage
signals
AIN1
AIN2
AIN3
AOT1
V-
-
+
AI-
PLC
GND
VOLTAGE OUTPUT
(Select using config software)
PLC VOLTAGE
INPUT
115S-13
ALS +24V
AIN1
ALS +24V
AIN2
AOT1
AIN4
AI
AOT2
+
GND
AI+
ALS +24V
115S-12
Sensor with
voltage signal
-
GND
115S-13
V-
ALS +24V
+
-
COM
(Select using config software)
(Select using DIP switches AND
config software)
115S-12
_
+
CURRENT SINK OUTPUT
SINGLE ENDED
VOLTAGE INPUTS
(Select using DIP switches AND
config software)
PLC
AI
AOT1
AOT2
Max 30VDC
200mA
GND
-+
AIN1
GND
DIO1
V-
ALS +24V
AIN3
DIGITAL
OUTPUTS
DC
Load
Loop powered
sensor
ALS +24V
AIN1
Externally
powered sensor
DIO2
(Default configuration)
(Default configuration)
ALS +24V
Loop powered
sensor
Power
-+
CURRENT SOURCE OUTPUT
SINGLE ENDED
CURRENT INPUTS
(Select using DIP switches AND
config software)
Transistor
switch
device
115S Module
115S-13
WARNING !
+
COM
GND
V-
V-
V-
GND
-
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.