Timing
Status signal
HL…
Initial state of HLP, HLN signals
= 0
The signal is set under the following conditions:
–
HLP: if the switch is activated OR if the actual position is greater than the posi-
tion saved when the limit switch was triggered
–
HLN: if the switch is activated OR if the actual position is lower than the posi-
tion saved when the limit switch was triggered
If the HLP signal is set, the directional lock is activated in a positive direction.
If the HLN signal is set, the directional lock is activated in a negative direction.
A configuration error is displayed if both switches are activated.
0
à
1
The signal is reset under the following conditions:
–
HLP: if the switch is not activated AND if the actual position is lower than the
position saved when the limit switch was triggered
–
HLN: if the switch is not activated AND if the actual position is greater than the
position saved when the limit switch was triggered
1
à
0
Tab. 301 Status signals - Hardware limit switch reached
Parameters and diagnostic messages
ID Px.
Parameters
Description
Specifies the configuration of the negative hardware limit
switch: 0: deactivated, 1: normally open, 2: normally closed
Access
read/write
Update
effective immediately
101100
Configure negative
hardware limit switch
Unit
−
Specifies the configuration of the positive hardware limit switch:
0: deactivated, 1: normally open, 2: normally closed
Access
read/write
Update
effective immediately
101101
Configure positive
hardware limit switch
Unit
−
Specifies whether the negative hardware limit switch is active.
Access
read/−
Update
effective immediately
101112
Negative hardware
limit switch detected
Unit
−
Motion monitoring
320
Festo — CMMT-ST-SW — 2019-02
Содержание CMMT-ST-SW
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