
Chapter 3: Wiring
Firmware – S1043
Revision: 2 (9/98)
46
© Saftronics, Inc.
Open Collector Input
•
Shielded twisted-pair wires must be used for signal lines.
•
Do not use the PG’s power supply for anything other than the PG. Using it for another
purpose can cause malfunctions due to noise.
•
The length of the PG’s wiring must not be more than 100 meters (328 feet).
Figure 3.24
Wiring an Open-Collector Input
I/O Circuit Configuration
Figure 3.25
I/O Circuit Configuration of the PG-A2