Siemens SIDOOR ATD401W System Manual page 110

Controllers
4.4 Connecting terminals
Terminal circuit diagrams
Table 4- 3 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.
110
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)
ATD4xxW Door Controller for Industrial Applications
System Manual, 01/2017, A5E38080677-AB