Beckhoff EL72 1-901 Series Manual page 56

Installation
Connection
Fig. 43: EL7211-901x, EL7221-901x - Connection
Terminal point Name
1 OCT +
2 Input 1
3 +24 V
4 U
5 W
6 Brake +
7 50 V
8
9 OCT -
10 Input 2
11 0 V
12 V
13 STO input
14 Brake GND
15 0 V
16
1' - 16'
56
Comment
Positive input of the absolute feedback
Digital input 1
Power contact +24 V
Motor phase U
Motor phase W
Motor brake +
DC link supply + (8...50 V)
Negative input of the absolute feedback
Digital input 2
Power contact 0 V
Motor phase V
Input for STO signal (24 V)
Motor brake 0 V
DC link 0 V supply
n.c.
Version: 1.9 EL72x1-901x