AZURA® Valve Unifier VU 4.1 Instructions V6855
Unpacking and setup 17
6.7
Manual control
The control of the valve drive is set to input (manual control).
Signal
Explanation
EVENT/OUT
OC: TTL compatible output
Passive 5 V (default with external Pull-Up up to
24 V/25 mA)
Active 0 V
TTL: TTL output
Passive 0 V
Active 5 V
Impulse:
0 V for min. 1000 ms
Trigger signal: 2 position valve to position 2
multi position valve to position 1
No trigger signal: 2 position valve to position 1
multi position valve not to position 1
GND
Reference point of the voltage at the signal inputs
HOME
TTL input
Low active
Secure switching threshold min. 10 mA
After receiving a signal (short-circuit to GND) from an
exter nal device:
Valve drive is set to position 1.
BACKWARD/
INJECT
TTL input
Low active
Secure switching threshold min. 10 mA
After receiving a signal (short-circuit to GND) from an
exter nal device:
INJECT (position 2 for 2 position valves)
Move to the next lower port of the valve, e. g. from
posi tion 6 to position 5
Prerequisites
