Efficient Networks Siemens Sinamics S120 - Manual (Page 259)

Function modules
7.9 Basic positioner
Drive Functions
Function Manual, (FH1), 07/2007 Edition, 6SL3097-2AB00-0BP4
259
● p2581 CO: EPOS software limit switch, plus
● p2582 BI: EPOS software limit switch activation
● r2683 CO/BO: EPOS status word 1
STOP cam
● p2568 BI: EPOS STOP cam activation
● p2569 BI: EPOS STOP cam, minus
● p2570 BI: EPOS STOP cam, plus
● r2684 CO/BO: EPOS status word 2
7.9.3 Referencing
Features
● Reference point offset (p2600)
● Reversing cams (p2613, p2614)
● Reference cam (p2612)
● Binector input start (p2595)
● Binector input setting (p2596)
● Velocity override (p2646)
● Reference point coordinate (p2598, p2599)
● Selecting the referencing type (p2597)
● Absolute encoder adjustment (p2507)
NOTICE
Referencing distance-coded zero marks is not supported.
Description
After a machine has been powered-up, for positioning, the absolute dimension reference
must be established to the machine zero. This operation is known as referencing.
The following referencing types are possible:
● Setting the reference point (all encoder types)
● Incremental encoder
Active referencing (reference point approach (p2597 = 0)):
– Reference cams and encoder zero mark (p2607 = 1)
– Encoder zero mark (p0495 = 0)
– External zero mark (p0495 ≠ 0)