27 Installation & Controller Start-Up
4.2.4. Wiring the Controller
Easy access to HI520 installation terminals − push in and plug out − enables quick wiring.
• High voltage connections (Terminal 1)
` Power (9)
` Alarm (1)
` Control relays (8)
• Low voltage connections (Terminal 2)
` COMM (RS‑485) (2)
` PROBE 1 (CH1) (3)
` Digital Inputs (4)
` Analog Outputs (6)
` PROBE 2 (CH2) (7)
• Follow the lead markings (+ positive / – negative) to ensure that output leads are wired to the correct
position on the main board.
• Run the connector cable through the designated opening and using a screwdriver connect the cable leads
to the appropriate connector jack and plug them in the corresponding socket.
Note: Wiring (wiring changes) must be conducted after power supply to the controller has been turned off.
COMM
-
B A +
IN1 IN2 A01 A02 A03 A04
PROBE 2
-
B A +
PROBE 1
-
B A +
Terminal 1
Terminal 2
1
2
3
4
10
7
8
9
6
5
Figure 18: Signal Board & Output
1. Alarm relay connector
2. RS‑485 communication port
3. Probe 1 connector
4. Digital inputs connectors
5. Protective ground connections
6. Analog Outputs connectors
7. Probe 2 connector
8. Relay connectors
9. Power connector
10. Fuses
To Next Page
Loading...
