Execution Errors For The Uss Instructions - Siemens SIMATIC S7-200 System Manual

Using USS Protocol Instructions to Communicate with Drives
Table 11-6 Execution Errors for the USS Instructions
Error Number
0 No error.
1 Drive did not respond.
2 A checksum error in the response from the drive was detected.
3 A parity error in the response from the drive was detected.
4 An error was caused by interference from the user program.
5 An illegal command was attempted.
6 An illegal drive address was supplied.
7 The communication port was not set up for USS protocol.
8 The communication port is busy processing an instruction.
9 The drive speed input is out of range.
10 The length of the drive response is incorrect.
11 The first character of the drive response is incorrect.
12 The length character in the drive response is incorrect.
13 The wrong drive responded.
14 The DB_PTR address supplied is incorrect.
15 The parameter number supplied is incorrect.
16 Invalid protocol selected.
17 USS active; change not allowed.
18 Illegal baud rate specified.
19 No communication: drive is not ACTIVE.
20 The parameter or value in the drive response is incorrect.
11-16
Explanation
S7-200 Programmable Controller System Manual
A5E00066097-02