3VL molded-case circuit breaker
4.2 COM20 connection
3WL/3VL circuit breakers with communication capability - PROFIBUS
System Manual, 03/2011, A5E01051353-02
101
Continuous light: Communication with PLC
Flashing: Baud rate recognized/communicating
with PC/PG
Green "PROFIBUS" LED
Green "Trip Unit" LED
Continuous light:
Communication with ETU
Flashing: ZSI detected/not
detected
Off: No communication
Setting of the communication
address of the side box
ZSI function test
TEST/RESET button
Reset of the side box back to the
start sequence
Front 10-pin system interface for
connecting the addressing plug
System interface
Bottom RJ45 socket for communication link
to ETU
PROFIBUS DP interface Connection of PROFIBUS DP cable
via terminal connection A, B (max.
1.5 MBaud) or 9-pin SUB-D socket
(max. 12 MBaud)
Operating voltage V
S
in accordance with DIN EN 61131-2
0.85 ... 1.2 x V
S
24 V DC
Power consumption 1.2 W
Current consumption V
S
= 24 V DC Max. 50 mA
Rated insulating voltage V
I
300 V
(pollution degree 3)
Rated peak withstand voltage V
Imp
4 kV
Number 2 monostable relay outputs; isolated
NO contacts
ON duration 300 ms, fixed setting
Rated short-circuit capacity 2 A
Relay outputs for controlling a
motorized operating
mechanism (3VL9x00-3Mx00)
for VL160x and VL160-VL1600
Specified short-circuit protection See operating instructions of the
motorized operating mechanism
used.
Output ZSI OUT - Output for Zone Selective Interlocking (ZSI); max. 8 circuit breakers
1 input with its own supply (24 V DC) from the device electronics for the WE function
(write protection for PROFIBUS DP/Modbus RTU)
H signal V
In
: 15...30 V; I
In
: Typically 5 mA for
24 V
L signal V
In
: 0...5 V; I
In
: Typically 0.75 mA for
5 V
Inputs (binary)
ZSI IN - Input for Zone Selective Interlocking (ZSI);
max. 20 circuit breakers
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