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Expansion of Basic System with External I/Os
Example:
Indirect Control of Actuators via Coupling Relays with P-P Control (Type M)
Insert one module into slot n of subunit A and the other module into slot n+1 of subunit B, with
n being an even number between 0 and 30 (see section 6.2).
Set the selector switches of the modules in subunit A and B to P (P output).
Connect the 24 V DC supply voltage to terminals 1 and 2.
Wire the outputs with the coupling relays (as shown in Figure 5-16).
Wire the actuators.
Parameterize the outputs in DB1.
M
P
M
L+
3
3
.0
4
4
5
5
.1
6
6
7
7
.2
8
8
9
9
.3
10
10
M
P
DIGITAL OUTPUT
4 x 24 V DC/2A
6ES5 450-8FA11
1
3
5
7
2
4
6
8
K2a
K1a
L+
M
Figure 5-16. Example for Connection of the External
An overview of suitable coupling elements is given in section 4.3.
5-18
9
10
K1a
K4a
K2a
K1b
K2b
K3a
Act. 1
Act. 2
Digital Output Module (twice P output)
3
.0
4
5
.1
6
7
.2
8
9
.3
10
DIGITAL OUTPUT
4 x 24 V DC/2A
6ES5 450-8FA11
1
3
5
2
4
K3a
K4a
K3b
K4b
K1b
Act. 3
Act. 4
S5-95F
P
M
L+
M
3
4
5
6
7
8
9
10
M
P
7
9
6
8
10
K2b
K4b
K3b
EWA 4NEB 812 6210-02
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