Procom DVS-21 - Operation Mode Safe Receiving

User Guide
DVS-21
02/2018 • V.1.0 • L. Wolle
48/131
© 2017 ProCom
®
Professional Communication & Service GmbH • Technical changes reserved.
Operation mode Safe receiving
Transmission of safety-related status information by means of multiple systems by using an
additional data link layer. (Transmitter)
Operating mode for the output of recorded status information, alarm contacts, etc.
The switching state of the relay corresponds to the state of the acquiring optocoupler!
Timer (Debouncing)
Time for debouncing of transmission latencies (factor 8 millisecs)
Timer (Alarm) (high)
Delay time till triggering of alarm (factor 2 secs)
Timer (Alarm) (low)
Delay time till triggering of alarm (factor 8 millisecs)
Total time = High + Low
Line function:
Port 1 - 4:
Line 3
CPU -> M
Relay
Line 5
M -> CPU
State error
Line 6
M -> CPU
Wiring error
Line 7
CPU -> M
Line for verification
Line 8
CPU -> M
Line for verification
Optocoupler 1 and 2 may be used independently for other applications!
Display and control elements:
LEDs
O
GREEN - ON
Output relay closed
Al
GREEN - FLASHING (double)
Receive line for verification in synchrony (input active)
GREEN - FLASHING (single)
Receive line for verification in differential mode
RED - FLASHING
Wiring error, lines for verification not received
RED - FLASHING (after receiving)
State error, verification does not match state information