Siemens SINUMERIK 808D Commissioning Manual

Commissioning Manual
01/2017
179
Relevant PLC machine data
None
Example for calling subroutine 43
6.6.18
Subroutine 44 - COOLING (cooling control)
Purpose
Subroutine 44 is used to start/stop cooling using the buttons on the MCP in 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 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
Inputs
Name
Type
Description
nodef
BYTE
Reserved
C_key
BOOL
Switch key (holding signal)
OVload BOOL Cooling motor overload (NC)
C_low
BOOL
Coolant level low (NC)
Outputs
Name
Type
Description
C_out
BOOL
Cooling control output
C_LED
BOOL
Cooling output status display
Assigned global variables
COOLon
MB150.0
Coolant on/off status
Relevant PLC machine data
No.
Description
14512 [21].1 Switch of the I/O interface (0: set I0.0 to I2.7/Q0.0 to Q1.7 as the standard I/O wiring in the default
PLC; 1: set I6.0 to I8.7/Q4.0 to Q5.7 as the standard I/O wiring in the default PLC)

Siemens SINUMERIK 808D Specifications

General

Brand	Siemens
Model	SINUMERIK 808D
Category	Control Unit
Language	English