Baumer GXLMW Manual - Halaman 37
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7.6.1.
Description of the diagnostic data block
Byte no. Diagnostic data
1
Station status 1
2
Station status 2
3
Station status 3
Diagnostic_Master_Address Address of master that proceeded the initial slave parameterization.
4
5
Ident number high byte
6
Ident number low byte
7
Extended diagnosis: length
8
Alarm type
9
Slot no.
10
Alarm specifier
7.6.2.
Alarms
The following alarms are supported:
Position error alarm
The encoder has recognized a probably incorrect actual position value. The last two consecutive position
values are continuously compared to each other. If the value exceeds a certain number, the last position
value is implausible.
This alarm is also triggered upon exceeding the electrical admissible maximum speed of 6000 rpm or in case
of an inadmissible (too high) preset value. The alarm will disappear automatically without acknowledgement
after 2.5 s. If another event occurs during this time, the period is automatically extended by 2.5 s.
In case of an inadmissible preset value the alarm remains until the master has transmitted the correct value.
Code consistency errors and inadmissible preset values are also visualized by the LED in the bus cover.
Warning lithium cell voltage (only with multiturn encoders)
The alarm is triggered if the lithium cell voltage drops below the prescribed value.
If the encoder is not powered by external supply, the internal lithium cell will supply the operating voltage for
the circuitry responsible for counting the number of revolutions.
After the first warning the encoder will still operate reliably for some weeks more. If the time of the first alarm
occurrence is not known or the encoder has not been operated for several weeks, the encoder must be
withdrawn from service immediately or permanently powered by an external voltage supply.
Manual_ProfibusDPV2_BIDE_EN.docx
22.11.12
Significance
Status of
parameterization
configuration
diagnostic data (diag.ext. bit and d diag.stat. bit at alarms and
warnings)
Status of
Response monitoring
Freeze or Sync mode
Not supported
0xFF before successful parameterization
0x09 (device ident number 0x09F6)
0xF6 (device ident number 0x09F6)
Length of the extended encoder diagnosis including this diagnosis
header byte
Channel-specific diagnosis – byte 1
0x01: diagnosis alarm
0x02: process alarm
Channel-specific diagnosis – byte 2
Channel-specific diagnosis Diagnose – byte 3
Sequence number of the higher six bytes bit
Alarm specifier in lower two bits
-
01: alarm inbound, slot error
10: alarm outbound, slot ok again
-
-
11: alarm outbound, more slot errors
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Baumer IVO GmbH & Co. KG
Villingen-Schwenningen, Germany