HEIDENHAIN MANUALplus 620 Technical Manual page 1517

January 2012
Hardware components that are not required for every machine but are
principally intended as maximum scope of upgrading for a specific machine
series are called Options.
With the IOconfig PC software, the desired components are configured as
options and specially identified in the IOC file. With the MP_iocOption
machine parameter you specify which option(s) is/are active on the current
machine:
MP_iocOption
Option data for IOC hardware (HSCI, PROFIBUS)
Available from NCK software version: 597 110-03.
Format: Array [0...99]
Input: Name(s) of IOC options
– : By inserting "–" in front of the name of the option, it can be
disabled.
Default: No value, parameter optional
Access: LEVEL3
Reaction: RESET
8.3 Configuring PLC Input/Output Systems 1517