Setting values for DINT/UDINT variables of the S7_NT Driver from zenon runtime to PLC leads to value 0 in both zenon runtime and plc.
Summary
Setting values for DINT/UDINT variables of the S7_NT Driver from zenon runtime to PLC leads to value 0 in both zenon runtime and plc.
This behaviour occurs when the following prerequisites are given:
- S7-Project created in Step 7 v. 55
- SIMATIC.NET v13(.1)
- zenon 7.20
Description
Setting values for DINT/UDINT variables of the S7_NT Driver from zenon runtime to PLC leads to value 0 in both zenon runtime and plc.
This behaviour occurs when the following prerequisites are given:
- S7-Project created in Step 7 v. 55
- SIMATIC.NET v13(.1)
- zenon 7.20
Solution
This issue was addressed by improving the way write requests are handled.
Issue Number: 36227
Fixed on Date: 5.4.2016
Versions: 7.20 0 BUILD 27570