Siemens MCP 398C Function Manual

Detailed Description
2.1 Various interface signals and functions (A2)
Basic logic functions: NC/PLC interface signals (Z1)
28 Function Manual, 11/2006, 6FC5397-0BP10-2BA0
2.1.7 Signals from channel (DB21, ...)
DB21, ...
DBX36.6 Channelspecific NCK alarm is active
Edge evaluation: no Signal(s) updated: cyclic
Signal state 1 or
edge change 0 → 1
At least one NCK alarm is present for this channel.
This means that the group interface signal is also set
DB10 DBX103.0
(NCK alarm is present).
The PLC user program can interrogate whether processing for the channel in question has been
interrupted because of an NCK channel:
DB21, ... DBX36.7 (NCK alarm with processing stop present).
Signal state 0 or
edge change 1 → 0
No NCK alarm is active for this channel.
Corresponding to .... DB21, ... DBX36.6 (NCK alarm with processing stop present)
DB10 DBX103.0 (NCK alarm present)
Additional references /DA/ Diagnostics Guide
DB21, ...
DBX36.7 NCK alarm with processing stop present
Edge evaluation: no Signal(s) updated: cyclic
Signal state 1 or
edge change 0 → 1
At least one NCK alarm - which is causing a processing stop of the part program running in this
channel - is active.
Signal state 0 or
edge change 1 → 0
There is no alarm active in this channel that is causing a processing stop.
Application
example(s)
With this alarm a program interruption because of an NCK alarm can be recognized immediately by
the PLC user program and the necessary steps introduced.
Corresponding to .... DB21, ... DBX36.6 (channel-specific NCK alarm is present)
Additional references /DA/ Diagnostics Guide
DB21, ...
DBX318.7 Overstore active
Edge evaluation: no Signal(s) updated: cyclic
Signal state 1 or
edge change 0 → 1
The overstore function is enabled (with the channel-specific PI service "_N_OST_ON"). If the PI
service is denied, the signal will not change.
Signal state 0 or
edge change 1 → 0
The overstore function is disabled (with the channelspecific PI service "_N_OST_OFF"). If the PI
service is denied, the signal will not change.

Siemens MCP 398C Specifications

General

Brand	Siemens
Model	MCP 398C
Category	Control Systems
Language	English