1PosSSI/Analog
6.6 Functions of the 1PosSSI/Analog
ET 200S Positioning
Operating Instructions, 05/2007, A5E00124871-04
271
Control Signals: Relative Positioning
Address Assignment
Bits 0.7 to 0.4:
7 6 5 4 Bit
0 1 0 0
MODE 4 = Relative Positioning
Byte 0
Bit 2: DIR_M
Bit 1: DIR_P
Bit 0: START
Bytes 1 to 3 Distance
(linear axis: 0 to 16 777 215; rotary axis: 0...16 777 215)
Feedback Signals: Relative Positioning
Address Assignment
Byte 0 Bit 3: SYNC
Bit 2: POS_ DONE
Bit 1: POS_ERR
Bit 0: POS_ACK
Bytes 1 to 3 Actual value
(0 to encoder range - 1)
Parameters: Relative Positioning
Parameters Meaning Value range Default setting
Drive
Switch-off
difference
It defines the distance to the destination at which the drive
decelerates from creep feed to 0.
If the switch-off difference ≥ switchover difference, there is no
switchover point. There is no slowdown from rapid feed to
creep feed.
0 - 65 535 100
Switchover
difference
Defines the distance from the destination at which the drive is
slowed down from rapid feed to creep feed.
0 - 65 535 1000
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