Large Display Temperature Meters
Instruction Manual
21
Labeling Meter for 115 VAC, 230 VAC or 24 VDC
Figure 1.
Input Power Label
Connections
Overview
The following connections are made to removable screw terminal connectors
supplied with each meter:
Power Connections
Signal Connections
Enter, Acknowledgement, and Hold Connections
Relays Connections
4-20 mA Output Connections
Connector Location
Function
Wire
Size
J1
Main PCB
Signal connections
12-22
J2
Main PCB
Power connections
12-18
J3
Main PCB
Connections to Options PCB
J4
Main PCB
Connections to Display PCB
J1
Options PCB 4-20 mA output
12-22
J2
Options PCB Connections to Main PCB
J3
Options PCB Relays 1 & 2 connections
12-18
J4
Options PCB Relays 3 & 4 connections
12-18
A label on top of the unit
contains a place for the
user to indicate if the unit is
powered from 115 or 230
VAC. User should mark the
appropriate box once the
desired power has been
selected on switch S1.
CAUTION
ALL AC POWERED UNITS ARE
SHIPPED FROM THE FACTORY
SET FOR 115 VAC
115 VAC
230 VAC
24 VDC
(SEE INSTRUCTION MANUAL TO CHANGE VOLTAGE SELECTION)