Siemens SENTRON 3VL System Manual page 119

Number
X7
X8
X9
X10 (plug-
in)
X11 (plug-
in)
X12
X13
X14
X15
X16
X17
X18, X19
X20
X21
X22
ZSI IN
ZSI OUT
TIE BR
WE
SEO/MO
A/B
SPE/PE
3VL molded-case circuit breakers
System Manual, 03/2009, 110 0110 - 02 DS 01
Where are the circuit
breakers/accessories?
Auxiliary current plug-in
connection for plug-in
socket/guide frame
RCD module
RCD module
Hand-held tester for
ETU/LCD-ETU
Motor
Rotary mechanism Leading
auxiliary contacts
(connection cables)
Plug-in socket Withdrawable
device Position switch
COM20
COM20
COM20
COM20
COM20
COM20
COM20
8.6 Description of the terminals
Description
VL400 to VL1600 only
Auxiliary & alarm switches
Reserved
Reserved
Reserved
Reserved
VL160 to VL400 only Remote tripping
display
VL160 to VL400 only Remote control
COM 10 (Profibus module)
COM 10 (Profibus connection)
Connection for the communication
module
COM 10 (circuit breaker connection)
Reserved
X20.1 N/L voltage supply
X20.2 ON (electr. ON)
X20.3 OFF (electr. OFF)
X20.4 L1 / L+ voltage supply
X20.5 protective conductor
Leading NO contacts NC/NO
X21.1 to X21.3 switch A
X21.4 to X21.6 switch B
Leading NC contacts NC/NO
X21.7 to X21.9 switch A
X21.10 to X21.12 switch B
Position signaling contacts
X22.1 to X22.3 switch A
X22.4 to X22.6 switch B
Input Variable
Output Variable
Tie breaker, input
Profibus write protection, input
Motorized operating mechanism
with/without stored energy, output
PROFIBUS signal A / B
Shield / PE
Connecting
X7.1 to X7.8
X12.1 to X12.3
X13.1 to X13.3
119