saia-burgess PCD3 Series, Hardware Manual

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Hardware Manual for the PCD3 Series│Document 26/789; Version E 5│31.01.2005
Saia-Burgess Controls Ltd.
Diagnostic information on RIOS
PCD3.Mxxx0 Classic CPUs and expansion housings
3-39
3
3.19.6 Diagnostic information on RIOS
LEDs
These three LEDs on the PCD3.T76x head station display the operating
states - error, alert, diagnostics etc. The LEDs are used as described in
the table below.
RUN BF DIAG Explanation
OFF ON OFF Bus error, Slave not assigned to any Master
ON OFF OFF Slave working correctly
ON OFF ON Diagnostic / alert from Slave
OFF ON ON Bus error, Slave not assigned to any Master, but config-
ured and in a diagnostic state
X X flashing
5x
At least one “Lock” active
OFF ON flashing
2x
Current configuration comes from EEPROM or web server
ON OFF flashing
2x
Current configuration comes from EEPROM; Master has
the same configuration and is connected
DP diagnostics
The PCD3.T76x provides Profibus-DP with standard diagnostics in octets*) 1...6. See
also DIN 19245 part 3
*) In DIN 19245 a byte is called an octet, so the same term is used here.
Standard diagnostics:
Octet Bit Abbreviation Explanation
1 0 non_exist Slave does not exist (Master set)
1 station_not_ready Slave not ready to exchange data
2 cfg_fault Configuration data for Master and Slave
differ
3 ext_diag Extended diagnostic bytes
4
5
invalid_slave_response Always set to “0” by Slave
6 prm_fault Incorrect parameter
7 master_lock Slave parameterized via a Master
2 0 prm_req Slave must be re-parameterized
1 stat_diag Static diagnosis
2 Always “1”
3 wd_on Watchdog monitoring on
4 freeze_mode “Freeze” instruction on
5 sync_mode “Sync” instruction on
6 Spare
7 slave_deactivated “1” when Slave deactivated by Master
3 0 ... 6 Spare
7 ext_diag_overflow Diagnostic data overflow in Master or
Slave
4
5, 6
Master address
ID (0xCD32)
Run green
BF red
Diag yellow