1PosUniversal/Digital
7.6 Functions of the 1PosU
ET 200S Positioning
330 Operating Instructions, 05/2007, A5E00124871-04
Control Signals: Inching
Address Assignment
Bits 0.7 to 0.4:
7 6 5 4 Bit
0 0 0 1
MODE 1 = Inching
Byte 0
Bit 3: SPEED (SPEED = 0 is creep feed; SPEED = 1 is rapid feed)
Bit 2: DIR_M
Bit 1: DIR_P
Bit 0: START
Feedback Signals: Inching
Address Assignment
Byte 0 Bit 2: POS_ DONE
Bit 1: POS_ERR
Bit 0: POS_ACK
Bytes 1 to 3 Actual value
at incremental encoder (linear axis: 0 to 16 777 215; rotary axis: 0 to end of rotary
axis-1)
at SSI encoder (0 to encoder range - 1)
Inching: Causes of Errors for POS_ERR
You must find out the causes of errors with JOB 15 (displays current values).
Error Number Cause What to Do
2 ERR_2L+ is displayed Check the load voltage (2L+) at terminal 7
5 The limit switch that lies in the
direction in which the drive is
moved is active
Check your switches and the wiring as well as
the DI0 limit switch minus and DI1 limit switch
plus parameters
7 Inching: DIR_P and DIR_M = 1
13 Direction of rotation of the drive
and the encoder varies
Check the wiring of the drive and the encoder
as well as the reversal of the direction of
rotation parameter
15 In dosing operation DIR_M = 1
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