Document No. 565-887
Installation Instructions
October 27, 2006
FLN
DRIVER
RX
TX
7
TX
RX
GND
S
-
+
RS-485 TRUNK CABLE
(MAX 4000’ / 1219.2 m;
STANDARD 24 AWG LOW CAPACITANCE)
GROUND WIRE TO EARTH
(P/N 538-583)
POWER PACK
TRUNK INTERFACE II
MODBUS
DEVICE(S)
GW0295R2
TAPE BACK
SHIELD
3 CONDUCTOR
(MAX 50’ / 15.24 m;
STANDARD 24 AWG LOW CAPACITANCE)
POWER
RS-232 PORT
(25-PIN FEMALE)
PMD
S
-
+
IF DRIVER IS
LESS THAN
50 CABLE FEET
(15.24 m)
FROM
MODBUS DEVICE
PLACE TRUNK
INTERFACE II
IN MBC
ENCLOSURE
Figure 2.
Using a Trunk Interface II to Connect the Driver to the Vendor’s Modbus Master or Modbus Slave Device.
Page 4 of 6
Siemens Building Technologies, Inc.