Siemens SIMATIC ET 200SP Manual page 121

Error code Parameter
26 Function DI
H
27 Low limit and High limit
H
28 Dithering period
H
29 Substitue values DQA and
H
DQB
Technology module TM Pulse 2x24V (6ES7138‑6DB00‑0BB1)
Manual, 09/2015, A5E35061186-AA
Validation criteria
HW enable activated
High limit <= Low limit
Period is lower than 4 times the
PWM period or lower than 2 ms.
Substitute values DQA and
DQB are both 1.
Interrupts/diagnostic messages
7.2 Parameter validation errors
Mode
On/Off-delay
PWM with current control
PWM with dithering
All modes
121