Traversing Blocks - Siemens SINAMICS S120 Function Manual

Extended Functions
Function module "basic positioner"
4.24.4

Traversing blocks

Description
Up to 64 different traversing tasks can be saved. The maximum number is set
using parameter p2615 (maximum number of traversing tasks).
All of the parameters that describe a traversing task are effective when a block is
changed, i.e. if:
S The appropriate block number is selected using binector inputs p2625 to p2630
(block selection, bits 0...5) and started using the signal at binector input p2531
(activate traversing task).
S A block change is made in a sequence of traversing tasks.
Traversing blocks are parameterized using parameter sets that have a fixed
structure:
S Block number (p2616[0...63])
Every traversing block must be assigned a task number (in STARTER "No.").
The traversing blocks are executed in the sequence of the block numbers.
Numbers with task number –1 are ignored, in order to e.g. reserve space for
additional traversing blocks at a later stage.
S Task (p2621[0...63])
1: POSITIONING
3: ENDLESS_POS
4: ENDLESS_NEG
5: WAIT
6: GOTO
7: SET_O
8: RESET_O
S Motion parameters
– Target position or traversing distance (p2617[0...63])
– Velocity (p2618[0...63])
– Acceleration override (p2619[0...63])
– Deceleration override (p2620[0...63])
S Task mode (p2623[0...63])
The execution of a traversing task can be influenced by parameter p2623 (task
mode). This is automatically written by programming the traversing blocks in
STARTER.
Value = 0000 cccc bbbb aaaa
– aaaa: Display/suppress
0000: Block is not suppressed
0001: Block is suppressed
– bbbb: Advance condition
4-264
© Siemens AG 2006 All Rights Reserved
SINAMICS S120 Function Manual, 03/2006 Edition