Input Configuration - ABB LME620AI Service Instruction

10.4 Input configuration

R4.1:
De-activate digital
input contacts
(C 4 chpt. 10.9)
or
provide „DC 24 V
„high" signal to dig.
input 1
26 Electrical Linear Actuators for Continuous Modulating Control LME620AI / LME620AN (Contrac)
E 4.1: actuator is set to AUTO mode
E 3.3: No
(A 1 chpt. 10.9)
No
E4.2: Fuse for setpoint signal ok? see chpt. 6.5
No
E4.3: Setpoint signal measurable and polarity ok?
R4.2: R4.3:
Replace Provide setpoint
signal and / or
fuse
change polarity
Yes
Yes
No Yes
E4.4: Setpoint function
adjusted to „analog
setpoint"?
(C 4 chpt. 10.9)
No
R4.4:
Select „analog
setpoint" in user
interface
(C 4 chpt. 10.9)
Trouble Shooting
Yes
E4.5: Permanent drive
command at dig. input
2 or 3?
No Yes
R4.5: R4.6:
Electronic De-activate
unit permanent
defective drive
mand
43/68-13 EN
com-