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Allocation Differences from C200H DeviceNet Master Units Appendix A
Replace the addresses as shown in the following table.
Message Communications in Ladder Programs
Note If there is a routing table in the CS/CJ-series CPU Unit, the DeviceNet Unit must be registered in it when
replacing the C200HW-DRM21-V1 with the CS1W-DRM21 or CJ1W-DRM21. If the DeviceNet Unit is not
registered, it will result in a routing table error, and the 7-segment display of the DeviceNet Unit will indi-
cate “HC”.
Area type C200HW-DRM21-V1 This Unit (CS1W-
DRM21)
Remarks
First word of IN area in fixed remote I/O alloca-
tions
IR 350 Can be allocated to
CIO 350 from Config-
urator or in allocated
DM Area words
Completely compati-
ble.
First word of OUT area in fixed remote I/O alloca-
tions
Word 50 Can be allocated to
CIO 50 from Configu-
rator or in allocated
DM Area words
Completely compati-
ble.
Software switches IR 2000 +10 × unit
No.
CIO 1500 +25 × unit
No.
Only word address
changed.
Communications error stop clear Bit 02 Bit 02
Remote I/O communications start Bit 03 Bit 03
Remote I/O communications stop Bit 04 Bit 04
Master status area 1 IR 2000 +10 × unit
No.+ 1
CIO 1500 +25 × unit
No.+ 24
Only word address
changed.
Master status area 2 Scan list registration
by Configurator
D06032+2 × unit
No.+1, bit 15
CIO 1500 +25 × unit
No.+ 13
Note: Allocated as
status code.
Cannot be accessed
from ladder program.
Error history D06032+2 × unit
No.+1, bit 00
CIO 1500 +25 × unit
No.+bit 15 of 11
First word of registered slave table IR 2000 +10 × unit
No.+2
CIO 1500 +25 × unit
No.+16
Only word address
changed.
First word of normal slave table IR 2000 +10 × unit
No.+6
CIO 1500 +25 × unit
No.+20
Only word address
changed.
Instructions C200HW-DRM21-V1 This Unit (CS1W-
DRM21)
Remarks
Message communica-
tions instructions
IOWR instructions CMND instructions
(SEND/RECV also possi-
ble for FINS data commu-
nications)
Change instructions and message
data.
Instruction execution con-
ditions
Message Communica-
tions Enabled Flag
(IR 2000 +10 × unit No.+
1, bit 12)
AND condition for 1. Mes-
sage Communications
Permitted Flag (CIO 1500
+25 × unit No.+24, bit 12)
and
2. Network Communica-
tions Enabled Flag
(A20200 to A20207: Cor-
respond to ports 0 to 7)
Change execution conditions.
Note: The Message Communications
Permitted Flag (CIO 1500 +25 × unit
No.+ 24, bit 12) is the same even when
online as (CIO 1500 +25 × unit No.+
11, bit 00)