Connecting Peripherals - Thermo Scientific ALPHA COND 560 Manual

2.3

Connecting Peripherals

2.3.1 Connection Terminals
Remove Back Cover:
Remove the screws from the four corners at the back of the conductivity
controller. Remove the back cover. The connectors are exposed on the
back PCBA as shown in the Figure 1 below.
Connectors:
•
J11 – 24V DC power connector
•
J8 – 9V DC power connector (1.2mm diameter)
•
J9 – Relay connections
•
J10 - Conductivity electrode & Temperature probe connections (wiring
has to be done in the detachable connector
J11 Connections
1. +ve
2. Gnd
J10 Connections
1. CON Low Current
2. CON Low Voltage
3. CON High Voltage
4. CON High Current
5. Pt 100 Compensate
6. Pt 100 Sense
7. Pt 100 GND
8. (No connection)
J9 Connections
Relay 1 & 2
24V DC
1)+ve
J11
2)Gnd
J10
Figure 1: Outer Side of Back PCBA
J8
9V DC Power
Screw
REL 1
J9
REL 2