8 Communication
40 YASKAWA ELECTRIC SIEP C730600 70B V1000 Option SI-EP3/V Technical Manual
A write request is first sent containing the parameter request.
If the write request is valid, the SI-EP3/V acknowledges it with request accepted. The master then sends a read request. If
the SI-EP3/V is still busy performing the internal parameter request, it will return a negative response with the error code
“0xB5” (State conflict). In this case, the master repeats the read request until the SI-EP3/V has the PROFIdrive response
data ready.
If the write request is invalid, a negative response is returned with an error code.
Base Mode Parameter Access - Local
The DO-ID field in the Record Data Object request header is not evaluated by the parameter manager. Parameters can be
read through any slot in the configuration.
Table 21 Response Error Codes
Table 22 ErrorCode1 with PNIORW Decoding
Byte Value and Meaning
ErrorCode
0xDF (Error Write)
0xDE (Error Read)
ErrorDecode
0x80 (PNIORW) ErrorCode1 decoded according to Table 22. ErrorCode2 is 0.
0x81 (PNIO) ErrorCode1 and ErrorCode2 decoded according to Table 22.
ErrorCode1 Error class and error code (Refer to Table 22).
ErrorCode2 Not described
Error class Meaning Error Code
0 to 9 (Reserved) –
10 (0x0A) Application
0 = Read error
1 = Write error
2 = Module failure
3 to 7 = Reserved
8 = Version conflict
9 = Feature not supported
10 to 15 = User-specific
11 (0x0B) Access
0 = Invalid index
1 = Write length error
2 = Invalid slot
3 = Type conflict
4 = Invalid area
5 = State conflict
6 = Access denied
7 = Invalid range
8 = Invalid parameter
9 = Invalid type
10 to 15 = User-specific
12 (0x0C) Resource
0 = Read constraint conflict
1 = Write constraint conflict
2 = Resource busy
3 = Resource unavailable
4 to 7 = Reserved
8 to 15 = User-specific
13 to 15 User-specific –
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