25
Installation and initial startup
AZURA® Detector DAD 6.1L, DAD 2.1L, MWD 2.1L Instructions, V6700
4.8.7 Connections to the terminal strip
Connection
Function
EV 1
(Event 1)
Relay Contact
The contact is on a floating basis. Its setting
depends on the settings in Mobile Control or
software.
Steady-rate signal:
passive = open relay contact
active = closed relay contact
Pulse:
Closed relay contact for at least 1000 ms
Permissible load of the relay contact: 1 A/ 24 V
DC
EV 2 (Event 2)
TTL compatible Output
Levels:
passive 5 V
active 0 V
Pulse:
0 V for at least 1000 ms
Error OUT
OC Output, with external pull-up up to 5V
(20mA)
Levels:
passive 5 V
active 0 V
Output is active until the Error condition has
been eliminated.
Error IN
TTL Input
Low active
Secure switching threshold at least 10 mA
After receiving a signal (short-circuit to ground)
from an external device, an error message
appe ars and the device stops.
Start IN
TTL Input
Low active
Secure switching threshold at least 10 mA
After receiving a signal (short-circuit to ground)
from an external device, the device starts. If
cont rolled with software, an electronic trigger is
send through the LAN.