Installation guide

Installation Manual 13
Wiring
3 Wiring
3.1 Connect the input and output wiring
If the Model 3300 or Model 3500 has screw-type connectors:
1. Plug the bracketed wiring connectors onto the terminal strips on the back panel of the
Model 3300 or Model 3500. See Figure 3-1. Tighten the captive screws to secure the
bracket to the back panel.
Figure 3-1: Wiring screw-type connectors and terminals
2. Connect input and output wiring to the appropriate terminals in the input/output
wiring connector. Refer to the card that is inserted into the sleeve on the top panel
(shown in Figure 3-2), and Table 3-1.
• Use 24 to 16 AWG (0,25 to 1,5 mm
2
) twisted-pair shielded wire.
• Ground the shields at a single point only.
Figure 3-2: Input/output wiring terminal card for screw-type connectors
Non-intrinsically safe input/output wiring terminal strip
Intrinsically safe sensor wiring terminal strip
(Model 3500 only)
Intrinsic safety shield
(Model 3500 only)
Bracketed wiring
connector
Wiring connector for input/output wiring
terminal strip
Wiring connector for sensor wiring terminal strip
(Model 3500 only)