EAGLEHAWK NX CONTROLLER – INSTALLATION & COMMISSIONING INSTRUCTIONS
47 EN1Z-1039GE51 R1218
M-Bus Connection Procedure
1. Install the PW M-Bus Adapter on DIN rail. Insert a
screwdriver into the slot in the DIN rail clamp on the
underside of the PW and pry downward to loosen clamp
until the unit snaps onto the rail.
1
2
3
DIN RAIL
Fig. 54. Mounting of PW (PW3 shown here)
2. Connect the M-Bus devices to the PW M-Bus Adapter.
All M+ and M- terminals are connected in parallel in the
PW M-Bus Adapter.
XW586
INSERT
METER-BUS
WIRES
INSERT POWER
SUPPLY WIRES
Fig. 55. PW M-Bus adapter connections
3. Connect the PW M-Bus Adapter to the RS232 / RJ45
socket of the EAGLEHAWK NX using the XW586 cable.
END
BIAS
MID
W586
EAGLEHAWK NX
M-BUS
DEVICE
RS232 / RJ45
SOCKET
Fig. 56. Connecting the EAGLEHAWK NX to the PW M-
Bus adapter
4. Connect 24 V power to the M-Bus Adapter.
WARNING
Risk of electric shock or equipment damage!
► Due to the risk of short-circuiting (see Fig. 23), it is strongly
recommended that the EAGLEHAWK NX controller be
supplied with power from a dedicated transformer.
However, if the EAGLEHAWK NX controller is to be
supplied by the same transformer powering other con-
trollers or devices (e.g., the PW M-Bus Adapter), care
must be taken to ensure that correct polarity is observed.
PANTHER,
TIGER, LION,
etc.
PANTHER,
TIGER, LION,
etc.
PW3, PW20,
PW60, etc.
PW3, PW20,
PW60, etc.
!
EAGLEHAWK NX
EAGLEHAWK NX
EAGLEHAWK NX
EAGLEHAWK NX
230 VAC
120 VAC
230 VAC
120 VAC
230 VAC
120 VAC
230 VAC
120 VAC
24 VAC
0 V
24 VAC
0 V
24 VAC
0 V
24 VAC
0 V
Fig. 57. Connecting power to the PW M-Bus adapter
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