Table 22: Errors 114–121
Error
num‐
ber
Description LED indications
Reason Action LED1 LED2 LED3 LED4
114 External error
DI2.
Reaction: STO
• Safety in-
put con-
nected to
DI2 has il-
legal signal
level.
• Sensor is
broken.
• Check that the
configuration of
DI1 (parameter
42-21 Type, subin-
dex [0]) is set cor-
rectly or that the
connected sensor
is installed accord-
ing to specifica-
tion.
• Extend the dis-
crepancy time for
DI1 using the VLT®
Motion Control
Tool MCT 10 Safe
Plug-in.
Status depends
on the safety
function state
assigned to
DI1.
Red con-
stant.
If safe field-
bus is ena-
bled, the
status of
LED3 de-
pends on
the safe
fieldbus
status. Oth-
erwise
LED3 is off.
Red
flashing,
cycle (on
500 ms,
off 500
ms).
119 External er-
ror: Safe field-
bus destina-
tion address
mismatch.
Reaction:
STO.
The destina-
tion address
on the safe
fieldbus is in-
valid.
Make sure that the ad-
dresses on the PLC
and the safety option
match.
Status of LED 1 and LED2 de-
pends on safety function state
assigned to DI1 and DI2.
Red flashing (500 ms on/
off).
120 External er-
ror: Safe field-
bus telegram
mismatch.
Reaction:
STO.
Safe fieldbus
telegram is in-
valid.
Check the telegram
format settings in the
fail-safe PLC and the
safety option.
121 PROFIsafe
configuration
error.
Reaction:
STO.
PROFIsafe con-
figuration is in-
valid.
Check the settings of
the safety option and
the PLC.
9.4 LCP Messages
Any errors on the safety option are indicated on the drive.
The following options are available for detailed diagnostics and error detection:
• LEDs on the front of the safety option provide information on operating states. The LEDs indicate the status of the option, that is
active safety functions, failures, and warnings, if any.
• LCP texts or info via bus show the status of the safety functions, for example, STO.
Maintenance, Diagnostics, and
Troubleshooting
Installation Guide | VLT®Safety Option MCB 152
AN327351953089en-000101 / 130R0578
68 | Danfoss A/S © 2020.02
To Next Page
Loading...
Need help?
General