Hach CD500 Manual Del Usuario página 15

Use the external trigger input to start a measurement. The trigger input can be operated with a
12–24 V DC (± 5%) voltage. When the trigger is set to off, a measurement is started for all of the
sensors that have automatic measurement enabled.
Note: The manufacturer recommends to disable the automatic measurement when an external trigger is used.
1. Remove the power to the instrument.
2. Open the controller cover. Refer to
3. Put the cable through the relay strain relief fitting. Refer to
on page 9.
4. Prepare the wires. Refer to the wiring requirements in
5. Pull to remove the connector.
6. Install each wire in the connector. Refer to
7. Tighten the cable strain relief.
8. Close the controller cover.
Figure 8 Analog outputs
Table 6 Wiring information—Analog outputs and external trigger
CON9 Terminal
1
2
3
4
5
6
7
8
Open the controller cover
Figure 8
Description
Output 1 +
Output 1 –
Output 2 +
Output 2 –
Output 3 +
Output 3 –
Output 4 +
Output 4 –
on page 10.
Electrical connectors and fittings
Specifications on page 3.
and Table 6.
CON 10 Terminal
1
2
3
4
5
6
7
8
Description
Output 5 +
Output 5 –
Output 6 +
Output 6 –
Trigger input +
Trigger input –
Not used
English 15