Siemens SINUMERIK 840D Description Of Functions page 153

02.99
Threshold
Fig. 4-19 Variable signalling function
5621 PROG_SIGNAL_NR
Signal number of variable signalling function
Unit: Default:
– 0
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SINUMERIK 840D/SIMODRIVE 611 digital Descr. of Functions HLA Module (FBHLA) – 04.00 Edition
Pickup delay time
Note
The quantity to be monitored can be selected through specification of either a
signal number or a physical address, the physical address having relevance
only for Siemens servicing activities.
The following machine data are related to MD 5620:
S
MD 5621: PROG_SIGNAL_NR
S
MD 5622: PROG_SIGNAL_ADDRESS
S
MD 5623: PROG_SIGNAL_THRESHOLD
S
MD 5624: PROG_SIGNAL_HYSTERESIS
S
MD 5625: PROG_SIGNAL_ON_DELAY
S
MD 5626: PROG_SIGNAL_OFF_DELAY
Note
Changed values which are entered in the machine data MD 5621 to MD 5624
while the monitoring is already active (
cally have the result that the PLC message is reinitialized, that means reset to
0. If the message must be re-initialized, the monitoring function must be
switched off and on again via MD 5620, bit 0, after the MD setting has been
changed.
Minimum: Maximum:
0 100
Input of signal number of memory location which must be monitored by the vari-
able signalling function.
4 Firmware Drive Functions
4.13 Mounting functions
Message to PLC
Dropout delay time
8
MD 5620, Bit 0 = 1) do not automati-
Relevant for:
HLA
Data type:
UNS. WORD
Tolerance band
t
Cross ref.: –
Protection level:
3/3
Effective:
Immediately
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