Hach-Lange ORBISPHERE 410 Basic User Manual - Manual (Page 11)

Figure 5 EC measurement board Figure 6 TC measurement board
Figure 7 Connector J7 Figure 8 Connector J8
Connector J7 (inputs & outputs)
The numbers listed below refer to the 16 available J7 connections (from left to right) in
Figure 7 .
Measurement alarms relays:
1. Common
2. Output relay 1
3. Output relay 2
4. Output relay 3 Analog current (or voltage) outputs:
5. GND
6. Output 1
7. Output 2
8. Output 3
Digital inputs:
9. EC sensor: Not used
9. TC sensor: Hold input (short circuit to pin 12)
10. to 16. Not used
Connector J8 (sensor)
The numbers listed below refer to the 10 available J8 connections (from left to right) in
Figure 8 . The
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.
A1100 EC sensor 31xxx EC sensor 31xxxS smart EC
sensor TC sensor Sensor
cable
1. Guard electrode Guard electrode Guard electrode GND for power Yellow
2. RS485A+ Not used I2C-SCL V2 signal Pink
3. Thermistor A Thermistor A Thermistor A Solenoid Grey
English 11