Circutor AFQm Series, Instruction Manual

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35 Instruction Manual
AFQm
3�8�2�- CONNECTING CABINETS
Note: The 200A ( AFQm-xxx-200C ), 300A ( AFQm-xxx-300C ) and 400A ( AFQm-xxx-400C )
cabinets are made up of 2, 3 and 4 100A devices in parallel. Both the parallel configuration and
connection are factory-set.
To connect multiple cabinets in parallel, follow these steps:
1�- Select the cabinet that is to contain the “ master ” device.
2.- Connect the “ master ” cabinet. The current transformers are only connected to the “ master ”
cabinet.
3.- Connect the “ slave ” cabinets.
4�- Connect all of the devices using the communication cables (
Table 14
).
Connect the OUT terminal from the final slave device in the “ master ” cabinet to the IN terminal
from the “ master ” device of the following cabinet, and the OUT terminal from the final “ slave”
device in this cabinet to the IN terminal of the “ master ” device of the following cabinet, and so
on (
Figure 29
).
Master Slave Slave
(*) Connections already included in the cabinets
IN
OUT
2
3
2
3
IN
OUT
2
3
2
3
OUT
IN
2 3
IN
2
3
OUT
2
3
2
3
AFQm-xxx-200C
(*)
(*)
OUT
IN
2 3
IN
2
3
OUT
2
3
2
3
(*)
ON
R
BUS
ON
R
BUS
ON
R
BUS
ON
R
BUS
ON
R
BUS
ON
R
BUS
Figure 29:Connecting 3 devices in parallel, using the communication cable (200 A Master AFQm)�
5�-
Configure the installation in the “
master
” device (see
“7.- CONFIGURATION”
).
6�- Complete the configuration of the slave devices (see
“7.- CONFIGURATION”
).
7.- Enable the terminator switch for parallel connection, R
BUS
(Terminal No 2 of
Table 12
) in the
bus end devices only. Then disable in the other devices.