EXCEL 50 INSTALLATION INSTRUCTIONS
33
EN1B-0101
METER-BUS CONNECTION
The meter bus adapter PW3 is connected with the cable
XW586 to the RJ45 plug of the XD50-FCS-HE01-xx ("xx""
depends upon the language). The cable XW586 has a length
of 1.8 m.
Table 25. Cable XW586
RJ45 Plug,
Pin Number
RS232 Function
9-Pin -Sub-D
Connector Pin No.
1
DCD
1
2
RxD
2
3
TxD
3
4
DTR
4
5
GND
5
6
DSR
6
7
RTS
7
8
CTS
8
Not used
9
Up to three meter-bus devices can communicate with
Excel 50 via the application card XD50-FCS-HE01-xx and the
connected meter bus adapter PW3.
Meter-Bus Connection Procedure
1.
Install PW3 Meter-Bus Adapter on DIN rail. Insert a
screwdriver into the slot in the DIN rail clamp on the
underside of the PW3 and pry downward to loosen
clamp until the unit snaps onto the rail. See Fig. 57.
0
000108
a
1
2
3
DIN RAIL
Fig. 57. Mounting of PW3.
2.
Connect Meter-Bus devices to PW3 Meter-Bus
Adapter. See Table 26 for a list of supported devices.
Insert wires into the terminals on the top of the PW3
and tighten the screws on the front of the unit.
XW586
INSERT
METER-BUS
WIRES
INSERT POWER
SUPPLY WIRES
00001
06a
Fig. 58. PW3 Meter-Bus adapter connections.
3.
Connect PW3 Meter-Bus Adapter to Excel 50 Controller
using XW586 cable.
Fig. 59. Connecting Excel 50 to Meter-Bus adapter.
4.
Connect 24 V power to the Meter-Bus Adapter
according to Fig. 60. Insert wires into the terminals on
the underside of the PW3 and tighten the screws on the
front of the unit.
CAUTION
Never connect V- of the PW3 to pin 2 of the Excel 50
Controller and V+ to pin 1. This could cause damage
to the Excel 50.
