Table of Contents
Advertisement
12.21 : PROFIBUS link error
Code
Meaning/Cause
a. Error in cable for PROFIBUS system.
b. The PROFIBUS system's station
address setting is incorrect.
c. The master station PLC power is
turned off, or the PLC has stopped
operating or is not operating correctly,
or is broken.
d. Breakdown in PROFIBUS compatible
unit.
12.22 : PROFIBUS hardware error
Code
Meaning/Cause
Breakdown in PROFIBUS compatible
unit.
12.31 : DI DC24V disconnected
Code
Meaning/Cause
a. DC 24V not being supplied to DI
section of OPT.DIO unit.
b. Drop in DC 24V supply voltage to DI
section of OPT.DIO unit.
c. OPT.DIO connector is not connected.
12.32 : DO1 DC24V disconnected
Code
Meaning/Cause
a. DC 24V not being supplied to DO1
section of OPT.DIO unit.
b. Drop in DC 24V supply voltage to DO1
section of OPT.DIO unit.
c. OPT.DIO connector is not connected.
: &H0C15
: &H0C16
: &H0C1F
: &H0C20
[12] I/O and option board errors
Action
1. Check for a break, misconnection or
wiring error in PROFIBUS cable,
and check the specifications (cable
length, etc.)
2. Check the station address settings.
3. Check whether the master station
PLC is operating correctly.
4. Check the hardware configuration
settings.
5. Replace the PROFIBUS compatible
unit.
Action
Replace the PROFIBUS compatible
unit.
Action
1. Supply DC 24V to DI section of
OPT.DIO.
2. Check for short, breakage or wiring
error in OPT.DIO connector.
3. Check if a sufficient DC 24V is
supplied to DI section of OPT.DIO
unit.
Action
1. Supply DC 24V to DO1section of
OPT.DIO unit.
2. Check for short, breakage or wiring
error in OPT.DIO connector.
3. Check if load connected to DO1
section of OPT.DIO unit is too large
for the DC 24V supply to handle.
TROUBLESHOOTING
A
A-41
Advertisement
Chapters
Table of Contents
