Thermo Fisher Scientific Alpha pH 560 - Manual (Page 9)

4 Thermo Scientific Alpha pH 560
A typical measurement system consists of:
• A pH process Controller
• A pH sensor with integrated or separate Pt100/Pt1000
temperature sensor
• An appropriate measurement cable
• An immersion, flow or process assembly
• A final control element such as pump or valve
Figure 2–1. Measurement and Control System
Remove the screws from the four corners at the back of the pH
Controller. Remove the back cover. The connectors are exposed on the
back PCBA as shown in the diagram below.
• J11 – 24V DC power
• J8 – 9V DC power
• J9 – Relay connections
• J10 – pH electrode & Temperature probe connections (wiring has
to be done in the detachable connector
Measurement
and Control
System
Connection
Terminals
Connectors: