Computer Drive Installation Instructions

09.95

Siemens AG 2001 All Rights Reserved 6FC5197–jAA50
4–29
SINUMERIK 840C (IA)
For example, the interpretation of following configuration entry:
PROTMASK1 K = OT < 4
PROTMASK1 K > OP < 100
PROTMASK2 N1000 – 110000
All the NCK alarms with a message type smaller than 4 are entered in the alarm
log (i.e. power-on until PLC alarm) and all non-NCK messages with a priority
smaller than 100. All messages with numbers between 1000 and 110000 are
entered in the service log.
TFORMAT Format for times in the logs.
To define the format in which the times of message input and acknowledgement
are entered in the logs, a string of up to 20 characters is specified in the configu-
ration file.
The following patterns indicate the positions of time values:
S DD Day
S MM Month
S YY Year in two figures
S YYYY Year in four figures
S hh Hour
S mm Minute
S ss Second
For example, the pattern “DD.MM.YYYY – hh:mm.ss” generates times in the fol-
lowing format:
“17.05.1992 – 14:32.21”
and the pattern “hh:mm [MM/DD/YY]”:
“14:32 [05/17/92]”.
4.4.2.4 Reduce number of accesses to the hard disk (HD)
General The SINUMERIK 840C system software allows you to reduce the number of ac-
cesses to the hard disk (HD) of the MMC CPU. This helps to extend the service
life of the hard disk. The reduction of the number of accesses to the MMC CPU
hard disk is particularly advisable for machines with a high rate of vibration.
Most accesses to the hard disk (HD) of the MMC CPU occur in the automatic
mode and by entering alarms and messages into the alarm log 1 and log 2. The
entries in the alarm logs should, therefore, be reduced to a minimum.
Reduction of entries The following applies to system software up to version 6:
in the alarm logs You can assign the password PROTMASK1 and PROTMASK2 to the entries in
question in the configuration file CONFIG of the master control. These entries are
explained in section 4.4.2 ”Configuration file CONFIG” and in section 4.4.2.3
”Format for log masks”.
The following applies to system software as from SW 6 and higher:
The alarm logs are stored in their basic setting in the RAM and are written to the
hard disk (HD) of the MMC CPU through one of the following operator actions:
S Softkey function ”Save to disk”
S Display a log
S Redisplay a log
4 MMC Area Diagnosis
4.4.2 Configuration file CONFIG
01.99