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9-22
CPU
Master
Slave station
Contents
Actions
The communication
cable is not connected
correctly.
Check the
communication cable for
correct connection.
The slave station number
is duplicated.
Reset the duplicated
station numbers, and
assign I/O.
Then, restart the system.
COMM./
COM. LED
(OFF)
Terminal stations are not
assigned correctly.
(Self-diagnostic code
E51)
Both ends of
communication path
should be terminal
stations.
The communication
cable is not connected
correctly.
Check the
communication cable for
correct connection.
Check the ports of the
master unit.
COMM./
COM. LED
(ON)
The slave station is not
registered.
Register the slave
station, and then restart
the system.
COMM./
COM. LED
(ON)
ERROR
LED
(ON)
ALARM LED
(Flashing)
The slave station number
is out of range (1 through
32).
Assign a slave station
number within the
applicable range.
LED status during the operation
CPU
Master
Slave station
Contents
Actions
RUN
(ON)
COMM./
COM. LED
(Flashing)
COMM./
COM. LED
(Flashing)
Normal
Error in a unit installed
on a slave station
system.
Exchange the bad unit
with a good one.The
procedures to restart the
system vary depending
on the operation mode.
Note1)
ERROR
LED
(ON)
COMM./
COM. LED
(Flashing)
COMM./
COM. LED
(Flashing)
Terminal stations are
not assigned correctly.
(Self-diagnostic code
E51)
Both ends of
communication path
should be terminal
stations.
COMM./
COM. LED
(Flashing)
COMM./
COM. LED
(OFF)
This slave station
cannot communicate
with the master
station.
(communication error)
Check the
communication cable for
correct connections.The
procedures to restart the
system vary depending
on the operation
mode.Note1)
COMM./
COM. LED
(Flashing
slowly)
COMM./
COM. LED
(Flashing
slowly)
Other slave stations
have a communication
error. (A slave station
whose COMM./COM.
LED is flashing is
normal.)
Check the
communication cable for
correct connections,
then restart the system.
Note1)
ERROR
LED
(ON)
COMM./
COM. LED
(Flashing
slowly)
COMM./
COM. LED
(OFF)
Other slave stations
have a communication
error. (A slave station
whose COMM./COM.
LED is flashing is
normal.)
Check the
communication cable for
correct connections,
then restart the system.
Note1)
Note1)
Reference:
<7.2 Remote I/O Control When an Error Occurs>
Summary of Contents for MEWNET-F
Page 9: ...Chapter 1 Functions and Restrictions of the Unit ...
Page 19: ...Chapter 2 Part Names and Functions ...
Page 40: ...2 22 ...
Page 41: ...Chapter 3 Unit Specifications ...
Page 52: ...3 12 ...
Page 53: ...Chapter 4 Installation and Wiring ...
Page 62: ...4 10 ...
Page 63: ...Chapter 5 Connection for the Remote I O System ...
Page 75: ...Chapter 6 Remote I O Map ...
Page 84: ...6 10 ...
Page 85: ...Chapter 7 Operation Modes for Controlling MEWNET F ...
Page 97: ...Chapter 8 Control by MEWNET F ...
Page 108: ...8 12 Flowchart ...
Page 110: ...8 14 ...
Page 111: ...Chapter 9 Troubleshooting ...
Page 120: ...9 10 ...
Page 121: ...9 11 9 5 2 When the ALARM LED is ON ...
Page 122: ...9 12 9 5 3 When the Communication LED on the Master Unit does Not Flash Normally ...
Page 123: ...9 13 When the COMM LED is OFF ...
Page 124: ...9 14 When the COMM LED is ON ...
Page 125: ...9 15 9 5 4 When the Communication LED on a Slave Station does Not Flash Normally ...
Page 126: ...9 16 When the COMM LED is OFF ...
Page 127: ...9 17 When the COMM LED is ON ...
Page 128: ...9 18 9 5 5 When the CPU does Not Operate ...
Page 129: ...9 19 9 5 6 When the Input Output Function of a Slave Station does Not Work ...
Page 130: ...9 20 9 5 7 When the Memory Access Function for the Advanced Unit s Memory does Not Work ...
Page 134: ...9 24 ...
Page 135: ...Chapter 10 Dimensions ...
Page 136: ...10 2 10 1 FP2 Multi wire Link Unit AFP2720 10 2 FP3 Remote I O Master Unit AFP3742 ...
Page 137: ...10 3 10 3 FP2 Remote I OSlave Unit AFP2745 10 4 FP3 Remote I OSlave Unit AFP3745 ...
Page 141: ...10 7 10 8 FP0 I O Link Unit AFP0732 ...
Page 142: ...10 8 ...
Page 143: ...Chapter 11 Appendix 1 I O Link With FP1 ...
Page 147: ...11 5 11 3 Part Names and Functions ...
Page 159: ...Chapter 12 Appendix 2 I O Link With FP0 ...
Page 164: ...12 6 ...
Page 166: ......
Page 167: ......
Page 168: ...FAF 35E 1 200803 http www mew co jp ac e fasys 2008 ...