PLC Subroutines Manual
Operating Instructions, 12/2012, 6FC5397-2EP10-0BA0
79
PLC sample applications
5
5.1 PLC sample application (turning)
This sample application is applicable to machines with the following configurations:
● Two axes: axes X and Z, with a hardware limit switch respectively in the positive and
negative directions of each axis
● An analog spindle: SP
● HALL effect device turret with six-working stations
● PLC-controlled timely and quantitatively lubrication system
● PLC-controlled cooling system
Table 5- 1 Assignment of inputs and outputs
Signal Description Remark
I0.0 Emergency Stop button Normally closed
I0.1 Limit switch in the "+" direction of axis X Normally closed
I0.2 Limit switch in the "-" direction of axis X Normally closed
I0.3
I0.4
I0.5 Limit switch in the "+" direction of axis Z Normally closed
I0.6 Limit switch in the "-" direction of axis Z Normally closed
I0.7 Reference point switch of axis X Normally open
I1.0
I1.1 Reference switch of axis Z Normally open
I1.2 Tool path detecting signal T1 Valid at a low level
I1.3 Tool path detecting signal T2 Valid at a low level
I1.4 Tool path detecting signal T3 Valid at a low level
I1.5 Tool path detecting signal T4 Valid at a low level
I1.6 Tool path detecting signal T5 Valid at a low level
I1.7 Tool path detecting signal T6 Valid at a low level
I2.0 Turret motor overload Normally closed
I2.1 Reserved for other types of turrets Reserved
I2.2
I2.3 Chuck foot switch Normally open
I2.4 Coolant level too low Normally closed
I2.5 Cooling pump motor overload Normally closed
I2.6 Lubricant level to low Normally closed
I2.7 Lubrication pump motor overload Normally closed
I3.0 Reserved
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