32 ATICS-2-ISO_D00046_04_M_XXEN / 03.2021
Mounting and connection
ATICS® terminals
Legend
1L, 1N Connection line 1 (input line)
2L, 2N Connection line 2 (input line)
L, N Connection line 3 (output line)
i, k Connection measuring current transformer T3 (STW3) for monitoring the load current down-
stream the transfer switching and monitoring device (short-circuit monitoring)
GND, En/Ex
I
Connection may only be used on ATICS-2-ISO-ES to connect ATICS-ES energy storage device.
For all other variants, the connection is only intended for Bender-internal purposes (12 V).
IN1/GND, IN1 Digital input, configurable (see chapter „Settings menu 6: Dig. input“ on p. 74)
NC Not used
L1/IT, L2/IT Connection to the IT system. Monitoring the insulation resistance. If an insulation fault
exists: Feeding of a locating current for insulation fault location. Bipolar protection via 6 A
back-up fuse.
E, EK Connection of E and KE with two separate lines to PE
Z1, Z2 Temperature monitoring of the IT system transformer
k/IT, l/IT Connection for measuring current transformer STW2 to monitor the load current down-
stream of the IT system transformer (overload monitoring)
A, B BMS bus connection
14, 12, 11 Alarm relay, programmable function
III
1357
2468
KE Z2Z1E
1L 2N2L1N
NL
11214NCNCNCNC NC Bl
EN/
EX
IN1/
GND
IN1GNDk
L1/
IT
L2/
IT
l/ITk/IT
grau
schwarz grün
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