Hach 410M Manual Básico Del Usuario página 12

Figure 6 EC measurement board
Figure 8 Connector J7
Connector J7 (inputs & outputs)
The numbers listed below refer to the 16 available J7 connections (from left to right) in
Measurement alarms relays:
1. Common
2. Output relay 1
3. Output relay 2
4. Output relay 3
Digital inputs:
9. EC sensor: Not used
9. TC sensor: Hold input. To deactivate the sensor from a PLC
system, connect a dry contact between J7.9 and J7.12
10. to 11. Not used
12. Digital GND
13. to 16. Not used
Connector J8 (sensor)
The numbers listed below refer to the 10 available J8 connections (from left to right) in
colors indicated are the wire colors in the sensor cable.
Note: Remember, this connector is colored orange for EC sensors and black for TC sensors.
12 English
Figure 7 TC measurement board
Figure 9 Connector J8
Analog current (or
voltage) outputs:
5. Analog GND
6. Output 1
7. Output 2
8. Output 3
Figure 8.
Figure 9. The