Function Diagrams
CU320 input/output terminals
2-1136
© Siemens AG 2007 All Rights Reserved
SINAMICS S List Manual (LH1), 07/2007
Figure 2-32 2121 – Digital inputs, electrically isolated (DI 4 ... DI 7)
- 2121 -
Function diagram
87654321
fp_2121_51_eng.vsd
DO: CU_GL, CU_GM, CU_S
SINAMICS
19.05.06 V02.05.00
CU320 input/output terminals - Digital inputs, electrically isolated (DI 4 ... DI 7)
+24 V
X124.M
X124.+
+
X132.1
X132.2
X132.3
X132.4
1= Simulation on
p0795.4
p0795.5
r0723.5
r0722.5
p0795.6
r0723.6
r0722.6
p0795.7
r0723.7
r0722.7
X132.5 M2
M
M
X124.M M
+
24 V
5 V
<1>
When using the electrical isolation, omit the
terminal jumper and connect the load power
supply shown as a dashed line.
<1>
X132.6
24 V DC to the next device
X124.+ +24 V
1
0
1
0
1
0
1
0
1
1
1
24 V
<1>
DI 4
DI 5
DI 6
DI 7
r0723.4
r0722.4
r0722r0723
1
DI 0...DI 15
inverted
DI 0...DI 15
r0721.4
r0721.5
r0721.6
r0721.7
<1>
<1>
p0796.5
p0796.4
p0796.6
p0796.7
p0799