Limit Switches - Festo CiA 402 Manual

4 Setting parameters
EXAMPLE
A write access always influences BIT17 to BIT19.
To set DOUT1:
1.) The object 60FE _01
h
2.) Then BIT17 is additionally set.
3.) The object 60FE _01
h
Note
The assignment of these 3 writable outputs is permanently changed to "Off " or "On"
when writing (forcing) the outputs.
If the parameters are saved after forcing, the significance of the outputs is permanently
changed.
4.9

Limit switches

Overview
Limit switches (limit switch) can be used for defining the reference position of the motor controller.
Further information on the possible homing methods can be found in chapter 6.2,
Operating mode homing (homing mode).
Description of the objects
Index Object
6510 RECORD
h
Object 6510 _11h: limit_switch_polarity
h
The polarity of the limit switches can be programmed via the object 6510
For normally closed limit switches, a "0" must be entered in this object, whereas a "1" must be entered
when normally open contacts are used.
Index
Name
Object Code
No. of Elements
Festo – GDCP-CMMS/D-C-CO-EN – 1404NH – English
digital_outputs_data (DOUT1 ... DOUT3) is read.
h
digital_outputs_data (DOUT1 ... DOUT3) is read again.
h
Name
drive_data
6510
h
drive_data
RECORD
44
Type Attr.
rw
_11 (limit_switch_polarity).
h h
79