Meter-Bus Connection (Not Available In N. America); Meter-Bus Connection Procedure - Honeywell Excel 50 Installation Instructions Manual

METER-BUS CONNECTION (NOT
AVAILABLE IN N. AMERICA)
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,
RS232 function
Pin Number
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
Not used
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. 49.
DIN RAIL
3
1
Fig. 49. 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.
9-Pin -Sub-D
Connector Pin No.
1
2
3
4
5
6
7
8
9
2
31
EXCEL 50 INSTALLATION INSTRUCTIONS
Fig. 50. PW3 Meter-Bus adapter connections
3. Connect PW3 Meter-Bus Adapter to Excel 50 Controller
using XW586 cable.
Fig. 51. Connecting Excel 50 to Meter-Bus adapter
4. Connect 24 V power to the Meter-Bus Adapter
according to Fig. 1. 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.
INSERT
METER-BUS
WIRES
XW586
INSERT POWER
SUPPLY WIRES
EN1B-0101GE51 R1105D