38
LED bus status is flashing slowly
Fault:
The data transfer in the CAN bus is interrupted!
Remedy:
The wiring of the bus lines must be in accordance with the wiring diagram (observe polarity).
As specified in the wiring diagram provide the
endofline bus devices
with 120
Ω
terminating resistors.
Cut off power supply and restart system.
Fault:
A malfunction in the CAN bus has occurred.
Remedy:
Restart system.
Fault:
The baud rate setting(s) of at least one bus device is not correct.
Remedy:
Check the baud rate settings of all busbased devices.
The baud rates
must
be identical!
Cut off power supply and restart system after 5 sec.
Fault:
The total length of the bus line does not correspond to the baud rate setting!
Remedy:
Check the baud rate settings of all busbased devices.
Cut off power supply and restart system after 5 sec.
LED bus status is flashing slowly
MIN / MAX alarm.
System malfunction 3
System malfunctions
– continued –
LED is flashing slowly
LED is flashing slowly
1
2
3
4
Test
P
1
2
3
E
4
MAX
MIN
W
X
W
+
-
GESTRA
NRR 2-40
1
2
3
4
Test
P
1
2
3
E
4
MAX
MIN
W
X
W
+
-
GESTRA
NRR 2-40
Summary of Contents for NRR 2-40
Page 1: ...1 E N English Level Controller NRR 2 40 Original Installation Instructions 810369 06 ...
Page 9: ...9 Technical Data continued Dimensions Fig 2 1 1 8 100 73 ...
Page 10: ...10 Design 0 Fig 3 9 NRR 2 40 9 a ...
Page 11: ...11 Functional Elements NRR 2 40 Fig 5 Fig 4 1 7 6 5 4 3 2 8 ...
Page 13: ...13 Installation continued Fig 6 Example of Installation b 9 0 0 Fig 7 20 20 a ...