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Document No. 565-887
Installation Instructions
October 27, 2006
TAPE BACK
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
S
FLN
-
+
RS-485 TRUNK CABLE
(MAX 4000' / 1219.2 m;
STANDARD 24 AWG LOW CAPACITANCE)
POWER
S
-
PMD
+
SHIELD
RX
RS-232 PORT
TX
(25-PIN FEMALE)
7
STANDARD 24 AWG LOW CAPACITANCE)
TX
RX
GND
DRIVER
GROUND WIRE TO EARTH
POWER PACK
TRUNK INTERFACE II
3 CONDUCTOR
(MAX 50' / 15.24 m;
MODBUS
DEVICE(S)
(P/N 538-583)
IF DRIVER IS
LESS THAN
50 CABLE FEET
(15.24 m)
FROM
MODBUS DEVICE
PLACE TRUNK
INTERFACE II
IN MBC
ENCLOSURE
Siemens Building Technologies, Inc.
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