Siemens SINUMERIK 840D sl Function Manual page 1597
Hide thumbs
Also See for SINUMERIK 840D sl:
- Function manual (2184 pages) ,
- Programming manual (1334 pages) ,
- Commissioning manual (1102 pages)
Table of Contents
Advertisement
DB21, ...
DBX59.0 - DBX59.4
M fct. 1-5 not decoded
Edge evaluation: No
Signal state 1 or
M function is greater than 99 (for extended address = 0) or for extended address > 0, not included in
edge change
the decoding list.
0 → 1
This signal is available - together with the associated M change signal - for one OB1 cycle.
Cause:
● Incorrect M function programmed
● M function not configured in the decoding list of the PLC
Remedy, e.g.:
● PLC sets read-in disable
● Output of a PLC alarm
Signal state 0 or
M function less than 99 (for extended address = 0) or for extended address > 0 included in the
edge change
decoding list.
1 → 0
DB21, ...
DBB60 - DBB64,
M, S, T, D, H, F functions Additional info "Quick" (fast acknowledgment)
DBB66 - DBB67
Edge evaluation: No
Signal state 1 or
One M, S, T, An D, H, or F function has been output to the interface with a new value together with
edge change
the associated change signal at the beginning of an OB1 cycle.
0 → 1
In this case, the additional info "Quick" indicates the quick help function.
Signal state 0 or
The change signals are reset by the PLC basic program at the start of the next OB1 cycle.
edge change
The value of the data involved is not valid.
1 → 0
DB21, ...
M functions 1 to 5
DBB68 - DBB97
Extended address M functions 1 to 5
Edge evaluation: No
Signal state 1 or
Up to 5 M functions programmed in an NC block are simultaneously made available here as soon as
edge change
the M change signals are available.
0 → 1
Value range of M functions: 0 to 9999 9999; integer number
Value range of the extended address: 0 to 99; integer number
The M functions remain valid until they are overwritten by new M functions.
Signal state 0 or
● After the PLC has ramped-up.
edge change
● All help functions are deleted before a new function is entered.
1 → 0
Application exam‐
Decoding and evaluation of M functions that are not decoded as standard or via a list.
ple(s)
Using the extended address, the M function can be assigned to another channel that does not cor‐
respond to that channel in which the program is running.
Special cases,
For M00 to M99 the extended address = 0.
errors, ......
Basic Functions
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
Signal(s) updated: job-controlled by NCK
Signal(s) updated: job-controlled by NCK
Signal(s) updated: job-controlled by NCK
Z1: NC/PLC interface signals
19.5 Help function output to PLC (H2)
1597
Advertisement
Table of Contents
