Siemens SIDOOR AT40 System Manual page 133

Terminal circuit diagrams
Table 6- 19 Terminal circuit diagrams for digital input signals
a. Connection to an internal 24 V control volt-
age
c. Connection to an internal 24 V control volt-
age (input 1) and an external control voltage
(input 0, input 2, input 3 and input 4)
①
Light barrier, DCPS sensor, jumpered or switch. The wiring depends on the sensor type and the configuration of Input 1.
AT40, ATD400V, ATD400K, ATD4xxW, ATD400S, ATE250S, ATD400T
System Manual, 06/2016, A2B00096162-AN
b. Connection to an external control voltage
d. Connection to an external 24 V control voltage (input 0 isolated from
input 1 and isolated from input 2, input 3 and input 4)
6.6 Connecting terminals and interfaces
Controllers
133