Chapter 9
9-5
Communications Programs (CS-series PLCs)
9-2
Message Communications Programming
9-2-1 Inverter Fault Processing
The message communications programming example given here reads and stores the fault data
using explicit messages for fault outputs from the Inverter. If the Inverter has a fault, the remote I/O
input's Fault Bit (word m bit 0) will turn ON. Be sure to turn OFF the Run Command Bits (word n bits
0 and 1). In this program example, the fault code is stored in D00200.
If commands are interrupted by faults, store the completion code in the DM Area and re-execute the
command. When a fault occurs, check the contents of the fault and take countermeasures referring
to information provided in the
SYSDRIVE 3G3MV Multi-function Compact Inverter User's Manual
(I527).
■
Allocations
Bit
003000
Bit
000000
Bit
000001
Bit
000002
Bit
003003
Bit
003002
Bit
000100
D00000
D03000
D03001
D03002
D03003
D03004
D00100
D00200
Flag
Fault Flag
Fault Code Read Flag
CMND Write Completed Flag
Response Flag
Sending Message Flag
Message Sent Flag
Reset Input Bit
Slave node address (3G3MV Inverter) (hex)
Command code: 2801
Completion code
No. of received data bytes
Node address and service code (8E:
Read normal; 94: Error)
Read data or error code
Completion code storage for
communications errors
Fault code storage for Inverter faults
Response data storage area
Содержание 3G3MV-PDRT2
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Страница 36: ...Chapter 1 1 22 Functions and System Configuration...
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Страница 130: ...Chapter 5 5 36 Remote I O Functions...
Страница 234: ...Chapter 8 8 14 Communications Errors...
Страница 362: ...R 2 Revision History...