Descriptions of the PLC subroutines
3.17 Subroutine 44 - COOLING (cooling control)
PLC Subroutines Manual
Operating Instructions, 12/2012, 6FC5397-2EP10-0BA0
49
RES_MEASJOG M241.4 Reset Meas_JOG
ESC_MEASJOG M241.5 Interrupt Meas_JOG
DRY_MEASJOG M241.6 Dry run Meas_JOG
SBL_MEASJOG M241.7 Single block Meas_JOG
Relevant PLC machine data
None
Example for calling subroutine 43
3.17 Subroutine 44 - COOLING (cooling control)
Purpose
Subroutine 44 is used to start/stop cooling using the buttons on the MCP in the JOG mode,
or to start (using the auxiliary function M07/M08 in the part program) or to stop (using the
M09 in the part program) cooling in the AUTO/MDA mode. Cooling is forbidden in case of
EMERGENCY STOP, cooling motor overload, program test or under the simulation mode.
This subroutine can activate the following alarms:
● Alarm 700018: motor overload for the cooling pump
● Alarm 700019: low coolant level
Local variable definition
Table 3- 10 Inputs
Name Type Description
C_key BOOL Manual operating key (triggering signal)
OVload BOOL Cooling motor overload (NC)
C_low BOOL Low coolant level
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