Manual

AC Digital Input Module (T3404)
10 Industrial Control Services
Keying
The I/O chassis can be physically keyed to prevent accidental
damage caused by inserting a module into a slot wired for a
different module type. Figure 7 illustrates how the slot keys
are installed on the I/O chassis slot field wiring connectors.
The slot key positions for the AC digital input module are
listed in Table 1.
Figure 7 . Installing Slot Keys.