DAD 6.1L/DAD 2.1L/MWD 2.1L user manual V6700, version 3.2
Installation
21
The following remote signals can be received and sent:
for receiving start, control, and error signals from external devices
for sending start, control and error signals to external devices
Connections to the Terminal Strip
Fig. 18
relation between display and terminal strip
Connection
Function
EV 1
(Event 1)
Relay Contact
The contact is on a floating basis. Its setting
depends on the settings in the Control Unit,
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 Output
Levels:
passive 5 V
active 0 V
Pulse:
0 V for at least 1000 ms
Error OUT
TTL Output
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 appears
and the device stops.