Fire-Lite DIM 485 PID

DIM 485 Installation Drawing 50380 Rev A 10 30 95 ECN 95 458 power before installing the DIM 485 Insert the plastic standoff supplied with the DIM 485 into the hole near the J11 connector on the top right side of the MS 9200 main circuit board Align the connector on the board with J11 on the MS 9200 main circuit board and align the hole on the DIM 485 with the standoff into the main circuit board Carefully seat the DIM 485 connector on the main circuit board J11 connector press to seat the DIM 485 on the standoff to Note 2 Main Circuit Board in grounded box Core P N Required VDC TB4 3 4 in grounded box in grounded box Core P N Required EIA 485 EIA 485 Please be certain to secure the DIM 485 module to the MS 9200 and to keep all wiring from mechanically interfering with the DIM 485 Disconnect all power from the MS 9200 before installing and wiring the DIM 485 module Earlier versions of the MS 9200 main circuit board do not have a hole near connector J11 preventing insertion of the standoff Ferrite Core P N 29090 is required to meet FCC Part 15 requirements if the EIA 485 wiring is not in conduit Twisted shielded is recommended for the EIA 485 communications loop Six conductor overall shielded wire may be used for the four EIA 485 wires and the two power wires It is however strongly that the power and communication wires be separate whenever possible