PLC Subroutines Manual
46 6FC5397-0FP40-0BA0, 08/2013
Table 3-13 Outputs
C_out BOOL Coolant output
C_LED BOOL Coolant status display
Assigned global variables
COOLon MB150.0 Coolant on/off status
Relevant PLC machine data
None
Example for calling subroutine 44
Subroutine 45 - LUBRICAT (control of lubricate)
Purpose
Subroutine 45 is used to control the lubrication according to specific time interval and duration (independent of the distance
that the axis has travelled). Meanwhile, a manual button is available to start the lubrication, and you can configure that the
lubrication starts automatically each time that the machine is powered up. Normally, lubricating starts automatically and
cyclically according to specified time interval
, and operates for a specific time
at each cycle. Lubrication stops in
case of an Emergency Stop, lubrication motor overload, low lubricant level.
This subroutine can activate following alarms:
● Alarm 700020: lubrication motor overload
● Alarm 700021: low lubricant level
Local variable definition
Table 3-14 Inputs
Lintv WORD Lubricating time interval (unit: 1 min)
Ltime WORD Lubricating time duration of each cycle (unit: 0.01 s, max. 327.67 s)
L_key BOOL Manual lubricating key (triggering signal)
L1st BOOL Mode selection: the lubrication starts at the first PLC scan
Ovload BOOL Lubricating motor overload
L_low BOOL Low lubricate level
Table 3-15 Outputs
L_out BOOL Lubrication output
L_LED BOOL Indicant for lubricate output
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