Data Sheet

Input voltage
● Rated value (DC)
24V
● for signal "0"
-5 to +30V
● for signal "1"
-11 to -30V
Input current
● for signal "1", typ.
4.5mA
Input delay (for rated value of input voltage)
for standard inputs
— parameterizable
No
— at "0" to "1", min.
3ms
— at "0" to "1", max.
4ms
— at "1" to "0", min.
3ms
— at "1" to "0", max.
4ms
for interrupt inputs
— parameterizable
No
Cable length
● shielded, max.
1000m
● unshielded, max.
600m
Encoder
Connectable encoders
● 2-wire sensor
Yes
— permissible quiescent current (2-wire
sensor), max.
1.5mA
Isochronous mode
Isochronous operation (application synchronized up
to terminal)
No
Interrupts/diagnostics/status information
Diagnostics function No
Alarms
● Diagnostic alarm
No
● Hardware interrupt
No
Diagnostic messages
● Monitoring the supply voltage
No
● Wire-break
No
● Short-circuit
No
● Fuse blown
No
Diagnostics indication LED
● RUN LED
Yes; Green LED
● ERROR LED
Yes; Red LED
● Monitoring of the supply voltage (PWR-LED)
No
● Channel status display
Yes; Green LED
6AG1521-1BH50-7AA0 Subject to change without notice
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09/14/2019 © Copyright Siemens