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User Manual 08/2003 Edition

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02.99 04.01<br />

Timer value<br />

(P84:28)<br />

Signaling position<br />

(P85:28)<br />

SMStart<br />

(P86:28, high byte)<br />

MMStart<br />

(P86:28, low byte)<br />

MMStop<br />

(P87:28, high byte)<br />

MMPos<br />

(P87:28, low byte)<br />

5.3 Programming the traversing blocks (only in the pos mode, P700 = 2)<br />

Contains the time required for the timer. The value 0 de–activates the<br />

function.<br />

When this position is passed, the bits, specified in the MMPos, are set<br />

and signaled to the master via the feedback signal byte (RMB).<br />

The following applies from SW 1.4:<br />

When the ”set reference position” function is activated (PSW.9 = 1) or<br />

”flying actual value setting” (PSW.10 = 1), this parameter is the setting<br />

value. The ”signal position” function is then inactive.<br />

Contains a mask, that determines which bits of the start byte (STB) in<br />

the PZD are to be evaluated as additional start bits to start program<br />

blocks.<br />

A program block starts as soon as, in addition to the normal start<br />

enable signals, all of the configured bits are set.<br />

If one of the bits is withdrawn, traversing motion stops and the block is<br />

exited.<br />

A value of 0 de–activates the function.<br />

Contain bit masks, which are OR’d with the status signals (feedback<br />

signal byte, RMB) when a pre–defined event occurs.<br />

These events include:<br />

MMStart: Start of the traversing block<br />

Bits that are activated at the start of a traversing block.<br />

MMStart is reset at the end of block.<br />

MMStop: End of the traversing block (as for ZSW.14)<br />

Bits that are activated at the end of a traversing block.<br />

MMStop is reset at the start of a new traversing block.<br />

MMPos: Passing the signaled position<br />

Bits that are activated when passing the signaled position.<br />

MMPos is reset when a new traversing block is started.<br />

Note:<br />

MMPos is ineffective when the ”set reference position” (PSW.9 = 1)<br />

or ”flying actual value setting” (PSW.10 = 1) function is activated.<br />

Siemens AG <strong>2003</strong> All rights reserved<br />

SIMODRIVE POSMO A <strong>User</strong> <strong>Manual</strong> (POS1) – <strong>08</strong>.03 <strong>Edition</strong><br />

5 Description of the Functions<br />

5-137<br />

5

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