250
C200H I/O Link Units Section 6-1
Unit is mounted and the memory area. Be sure to specify bytes within the
data area range.
Error Response When there is an error in the explicit command, the C200H I/O Link Unit will
return an error response as illustrated below.
Response Block
Parameters
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.
General Error Code (Response)
The error code is returned in single-byte (2-digit) hexadecimal, as shown in
the following table.
Additional Error Code (Response)
Always FF Hex.
6-1-9 Using Explicit DeviceNet Messages
Using CMND to Read Data
(CS-series and CV-series)
In the following example, the CMND instruction is used to read words CIO 010
to CIO 029 (20 words) on the Slave Unit, from the Master in a CS-series or
CV-series PLC.
Note If a CS-series PLC is being used, this example is applicable only when a CS-
series Master Unit is mounted. Use the IOWR instruction when a C200HX/
Error code Name Details
08 Hex Service not supported There is an error in the service
code.
15 Hex Too much data There is too much data. (The
data specified by the data write
command exceeds the area
range.)
13 Hex Not enough data There is not enough data (e.g.,
an odd number of bytes of data
was specified for the WORD
DATA WRITE command).
20 Hex Invalid parameter An error was made specifying
the word address.
11 Hex Reply data too large The data specified by the data
read command exceeds the
area range.
16 Hex Object does not exist There is an error in the Class ID
or Instance ID.
No. of received bytes
Source
node address
General error
code
Additional error code
(FF Hex: fixed)