5 Electrical connections
5.4.1 The MOTORS ON/MOTORS OFF circuit
3HAC 16245-1 A 91
Connection of
safety chains
The diagram below shows the two-channel safety chain.
Supply from internal 24V (X3/X4:12) and 0 V (X3/X4:7) is displayed. When external supply
of GS and AS, X3/X4:10,11 is connected to 24V and X3/X4:8,9 is connected to external 0V.
Connection tables for X1-X4 are given in "External customer connections on panel X1 - X4".
xx0100000166
Connection of
ES1/ES2 on panel
unit
The diagram below shows the terminals for the emergency circuits.
Supply from internal 24V (X1/X2:10) and 0V (X1/X2:10) is displayed. When ext. supply,
X1/X2:3 is connected to ext. 24V and X1/X2:8 is connected to ext. 0V (dotted lines).
Technical data per chain
Limit switch Load: 300 mV. Max. voltage drop: 1 V
External connectors Load: 10 mA. Max. voltage drop: 4 V
GS/AS load at 24 V 25 mA
GS/AS closed "1" >18 V
GS/AS open "0" < 5 V
External supply of GS/AS Max. + 35 VDC
Min. - 35 VDC
Max. potential in relation to the cabinet
earthing and other signal groups
300 V
Signal class Control signals
4V
3:12
4:12
24V
Ext LIM1
X1:11
12
X3:10
8
11
9
Opto
isol.
Opto
isol.
Opto
isol.
Opto
isol.
GS1
AS1
ES1
TPU En1
Intern
locking
EN
Run
Auto1
Man1
Man2
&
&
External contactors
0 V
24 V
X3:3
X4:3
4
4
CONT1
CONT2
Ext LIM2
0 V
X2:11 12
K1
K2
K1
0 V
K2
24 V
Drive Unit
M
X4:10
8
11
9
AS2
GS2
TPU En2
Auto2
ES2
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