2
4
6
8
10 12 14 16 18 20
22
24 26 28 30 32
1
3
5
7
9
11 13 15 17 19
21
23 25 27 29 31
PIN
Name
Description
Specifications
22
AO1
Analog output 1
U=0…±10 VDC (max.
11.5 VDC)
I
max
=10 mA
Ri = 100 Ω
Resolution= 11Bit + sign
23
COM
like pin 21
24
AO2
Analog output 2
like pin 22
25
R2-C
Relay 2
Switching contact
U
max
= 30 V DC
I = 0.01…1 A
max. switching cycles:
10
8
mechanically
500.000
at 1 A / 30 V DC
Ohmic load
26
R1-C
Relay 1
Switching contact
27
R2-B
Relay 2
NC contact
28
R1-B
Relay 1
NC contact
29
R2-A
Relay 2
NO contact
30
R1A
Relay 1
NO contact
31
0V
like pin 1
32
U
out
Voltage output for the control of the digital inputs
U=24 V ±25 %
I
max
=100 mA
(I
max
=Pin 4+32)
Figure 8:
Assignment of the terminal strip X2A
*) The control release (terminal ST) is without function for units with safety function STO.
21
CONTROL CIRCUIT ANALOG/DIGITAL