Siemens SINUMERIK 802C User Manual

Start-Up
4.3 Starting up the PLC
4-54
SINUMERIK 802C
6FC5 597–3AA20–0BP2 (01.02)
User alarm activation
User
interface
Int.
inter–
face
Feed disable in the NCK is
active for all axes as long as the
PLC user alarm is active.
Alarm handler
Feed disable active
User program
Example:
Feed disable=0
User alarm with feed
disable
Alarm handler
Module:
Analyze user alarm
PLC cycle
Fig. 4-2 User alarm with Feed Disable alarm response
Configuring user alarms
Each alarm is assigned a configuration byte. The user alarms can be configured by the user in
machine data 14516_MN_USER_DATA_PLC_ALARM.
Default setting MD 14516: 0 => SHOW ALARM/SELF–CLEARING user alarm
Configuration byte structure:
S Bit0 – bit5 : Alarm responses
S Bit6 – bit7 : Cancel criterion
Alarm responses: Bit0 – bit 5 = 0: Showalarm (default)
Bit0 = 1: NC Start inhibited
Bit1 = 1: Read–in disable
Bit2 = 1: Feed disable for all axes
Bit3 = 1: EMERGENCY STOP
Bit4 = 1: PLC Stop
Bit5 = Reserved
Cancel criteria: Bit6 + bit7 = 0: SELF–CLEARING alarm (default)
Bit6 = 1 : CANCELCLEAR alarm
Bit7 = 1 : POWERONCLEAR alarm

Siemens SINUMERIK 802C Specifications

General

Brand	Siemens
Model	SINUMERIK 802C
Category	Control Systems
Language	English