Circutor AFQm, Instruction Manual, Page: 151 / 230

151
Instruction Manual
AFQm
ENGLISH
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.
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 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 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.