Installation guide
14 Model 3500 Transmitters or Model 3300 Peripherals - Panel Mount
Wiring
3. If the Model 3300 or the Model 3500 has I/O cables, plug the bracketed wiring
connector onto the terminal strips on the back panel of the model. See Figure 3-3.
4. Tighten the captive screws to secure the bracket to the back panel.
Figure 3-3: Wiring connectors and terminals for I/O cables
5. Attach the supplied I/O terminal block to a DIN rail.
The terminal block fits various rail types. See Figure 3-4.
6. Plug the connector for input/output wiring onto the I/O terminal block.
7. Tighten the captive screws to secure the connector to the I/O terminal block.
8. Connect input and output wiring to the appropriate terminals on the I/O terminal
block.
Table 3-1: Input/output wiring terminals for screw-type connectors
Terminal number Designation
c 2+
a 2
–
Primary 4–20 mA output / HART
c 4 + a 4 – Secondary 4–20 mA output
c 6 + a 6 – Frequency input
c 8 + a 8 – Discrete input 1
c 10 + a 10 – Discrete input 2
c 12 + a 12 – Frequency output
c 14 + a 14 – Discrete output 1
c 16 + a 16 – Discrete output 2
c 18 + a 18 – Discrete output 3
c 32 (B line a 32 (A line) RS-485 output
Non-intrinsically safe input/output wiring
terminal strip
Intrinsically safe sensor
wiring terminal strip
Bracketed wiring connector
Cable for input/output wiring
Cable for sensor wiring (Model 3500 only)
Connector for input/output wiring
Connector for sensor wiring
(Model 3500 only)