8400 StateLine C | Reference manual
I/O terminals
Digital terminals
266 L Firmware ≤ 11.00 - DMS 8.0 EN - 10/2011
6.1.2 Internal interfaces | System block "LS_DigitalInput"
The system block LS_DigitalInput maps the digital input terminals in the FB editor.
The configuration of the internal processing function of the digital input terminals
DI1/2 can be changed in C00115
if required. That way, these input terminals can
alternatively be used as frequency/counter inputs.
Generally the input terminals DI3 ... DI4 are configured as "normal" digital inputs.