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Allocated CIO Area Words Section 3-2
Note Although the bit configurations are the same, the word addresses are different
(because this is a CS/CJ-series CPU Bus Unit). Change the words using a
replacement operation from the Programming Device.
03 Configura-
tion Error
Flag
ON/OFF Unit Configura-
tion Error
Flag
This bit turns ON if any of the following flags turn ON:
• Routing Table Error Flag (word n+10, bit 12)
• Invalid Message Timer List Flag (word n+10, bit 13)
• Invalid Scan List Data Flag (word n+12, bit 04)
• Remote I/O Refresh Error Flag (word n+12, bit 05)
Note The C200HW-DRM21-V1 does not support slave
communications. Scan list data errors for slave
communications are not relevant.
04 Structure
Error Flag
ON/OFF Unit Structure
Error Flag
This is the same as the Structure Error Flag in word n+12,
bit 01.
05 Send Error
Flag
ON/OFF Unit Send Error
Flag
This bit turns ON if any one of the following bits turns ON:
• Network Power Error Flag (word n+10, bit 07)
• Send Timeout Flag (word n+10, bit 08)
06 Communica-
tions Error
Flag
ON/OFF Unit Communica-
tions Error
Flag
This is the same as the Remote I/O Communications
Flag (word n+12, bit 02).
07 Verification
Error Flag
ON/OFF Unit Verification
Error Flag
This is the same as the Verification Error Flag in word
n+12, bit 00.
08 I/O Data
Communica-
tions Not
Running Flag
ON/OFF Unit I/O Data
Communica-
tions Not
Running
Flag
This operates in the reverse way of the Remote I/O Com-
munications Flag (word n+11 bit 01).
09 Reserved by
system
--- --- Scan List
Operation
Completed
Flag
---
10 Reserved by
system
--- --- Scan List
Operation
Error Flag
---
11 Reserved by
system
--- --- Communica-
tions Error
Stop Cleared
Flag
---
12 Message
Communica-
tions Permit-
ted Flag
ON/OFF Unit Message
Communica-
tions Permit-
ted Flag
The same as the Online Flag in word n+11, bit 00.
Note When executing message communications
instructions (SEND/RECV/CMND) from the ladder
program, use an AND of input conditions for the
Network Communications Enabled Flag in the
CPU Unit (A20200 to A20207) and this bit.
13 Invalid Scan
List Data Flag
ON/OFF Unit Invalid Scan
List Data Flag
The same operation as the Invalid Scan List Data Flag
(word n+11, bit 04).
14 Error Flag ON/OFF Unit Error Flag This bit turns ON if bit 00, 01 or 03 to 07 in this word
(n+24) turns ON.
15 Remote I/O
Communica-
tions Flag
ON/OFF Unit Remote I/O
Communica-
tions Flag
The same as I/O Data Communications Flag (word n+12
bit 15).
Bit Name Status Controlled
by
C200HW-
DRM21-V1
status
Details and CS1W-DRM21 status