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C200H I/O Link Units Section 6-1
Parameters
Destination Node Address (Command)
The node address of the C200H I/O Link Unit writing the data, in single-byte
(2-digit) hexadecimal.
Service Code (Command, Response)
In the command, IF Hex is specified. In the response, the leftmost bit is turned
ON and 9F Hex is returned.
Class ID (Command)
Always 2F Hex.
Instance ID (Command)
Specifies the data area to be written in hexadecimal as shown in the following
table.
Address L, Address H (Command)
The address in hexadecimal of the first word of data to be written.
Address L: Rightmost 2 digits of the address in 4-digit hexadecimal.
Address H: Leftmost 2 digits of the address in 4-digit hexadecimal.
When specifying a Holding Area word (H100 or H102 to H127) in a CS1H/G
PLC, specify the first word in hexadecimal with 0000 Hex for H100 or 0002 to
001B Hex for H102 to H127.
Write Data (Command)
Specify the data to be written to the specified area and words from word H
(leftmost byte: bits 08 to 15) to word L (rightmost byte: bits 00 to 07).
No. of Received Bytes (Response)
The number of bytes received from the source node address is returned in
hexadecimal.
Source Node Address (Response)
The node address of the C200H I/O Link Unit that returned the response is
returned in hexadecimal.
Note Actual addresses for Address H and Address L and actual number of words to
be written differ according to the model of PLC to which the C200H I/O Link
Setting Area Word range
01 Hex IR Area 1 (CIO) Write Area: IR 000 to IR 235
Read Area: IR 000 to IR 235
02 Hex IR Area 2 (CIO) IR 300 to IR 511
03 Hex Data Memory Area (DM or D) DM 0000 to DM 4095
(C200HE-CPU11-E only)
DM 0000 to DM 5999
(All except C200HE-CPU11-E)
04 Hex LR Area LR 00 to LR 63
05 Hex HR Area (HR or H) HR 00 to HR 99
06 Hex C200HX/HG/HE
(-Z)
AR Area AR 00 to AR 27
(Can be set for Read Area only)
CS1H/G Holding Area (H) H100 or H102 to H127
(Specify the starting word with
00 Hex or 02 to 1B Hex.)
07 Hex C200HX/HG/HE
(-Z)
Timer/Counter
Area (TIM/CNT)
TIM/CNT 000 to TIM/CNT 511
CS1H/G Timer Area (T) T 000 to T 511
08 Hex EM Area (bank 0 only) EM 0000 to EM 6143
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