Siemens SINUMERIK 802C Manual page 54

Start-Up
4.3 Starting up the PLC
User alarm activation
Alarm handler
Feed disable active
User program
Example:
Feed disable=0
User alarm with feed
disable
Alarm handler
Module:
Analyze user alarm
Fig. 4-2
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 :
S
Bit6 – bit7 :
Alarm responses:
Cancel criteria: Bit6 + bit7 = 0: SELF–CLEARING alarm (default)
4-54
User
Int.
interface
inter–
face
PLC cycle
User alarm with Feed Disable alarm response
Alarm responses
Cancel criterion
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
Bit6 = 1 : CANCELCLEAR alarm
Bit7 = 1 : POWERONCLEAR alarm
Feed disable in the NCK is
active for all axes as long as the
PLC user alarm is active.
6FC5 597–3AA20–0BP2 (01.02)
SINUMERIK 802C