| Terminal block/Port label | Terminal labels | Function, electrical ratings/Requirements | Recommended cable type |
|---|---|---|---|
|
FC BUS |
+ - |
FC Bus Communications |
0.6 mm (22 AWG) stranded, 3-wire twisted, shielded cable recommended |
|
COM |
Signal Reference (Common) for Bus communications |
||
|
SHLD |
Isolated terminal (optional shield drain connection ) |
||
|
FC BUS (Port) |
RJ-12 6-Position Modular Connector provides: FC Bus Communications FC Bus Signal Reference and 15 VDC Common 15 VDC, 180 mA, Power for Bluetooth Commissioning Converter |
Bluetooth Commissioning Converter retractable cable or 24 AWG 3-pair CAT 3 cable or above. |
|
|
SA BUS |
+ - |
SA Bus Communications |
0.6 mm (22 AWG) stranded, 4-wire (2 twisted-pairs), shielded cable recommended. Note: The + and - wire are one twisted pair, and the
COM and SA PWR are the second twisted pair of wires.
|
|
COM |
SA Bus Signal Reference and 15 VDC Common |
||
|
SA PWR |
15 VDC Supply Power for Devices on the SA Bus (Maximum total current draw for SA Bus is 240 mA.) |
||
|
Sensor (Port) |
SENSOR |
RJ-12 6-Position Modular Connector provides: SA Bus Communications SA Bus Signal Reference and 15 VDC Common 15 VDC Power for devices on the SA bus and Bluetooth Commissioning Converter |
24 AWG 3-pair CAT3 cable <30.5 m (100 ft) |
|
24~ |
HOT |
24 VAC Power Supply - Hot Supply 20–30 VAC (Nominal 24 VAC) |
0.8 mm to 1.0 mm (18 AWG) 2-wire |
|
COM |
24 VAC Power Supply Common (Isolated from all other Common terminals on controller) 14 VA |
Note: The SA Bus and FC Bus wiring
recommendations in this table are for MS/TP bus communications at 38.4k baud. For
more information, refer to the
following
documents depending on your system (FX or BCPro): MS/TP
Communications Bus for the BCPro System Technical Bulletin
(LIT-12011908) or
FX-PC Series
Controllers MS/TP Communications Bus Technical Bulletin
(LIT-12011670).