Instruction manual

5.0 WIRING SM425 INSTRUCTION MANUAL
Figure 5-1 Terminals for external wiring in the converter
If shielded cables cannot be used between the detector and the terminal box, (for example when heat-
resistant wiring is used), locate the detector and the terminal box as close together as possible.
5.1.2 Wiring
Connect the following wiring to the converter. It requires a maximum of eight wiring connections as shown
below.
1. Detector output (connects the converter with the detector.)
2. Detector heater power (connects the converter with the detector.)
3. Analog output signal
4. Power and ground
5. Contact output
6. Operation of the solenoid valve of automatic calibration unit
7. Contact input
42500001 REV A 83