Circutor AFQm-3WF-030M-480, Instruction Manual

Page: 37 / 116

37
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.
The
140A
(
AFQm-xxx-140C
),
210A
(
AFQm-xxx-210C
) and
280A
(
AFQm-xxx-280C
) cabinets are made
up of 2, 3 and 4 70A devices in parallel.
Note:
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 16
).
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 31
).
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 31: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 13
) in the bus
end devices only. Then disable in the other devices.