ProSoft Technology PLX51-PBM User Manual

PLX51-PBM Operation
PROFIBUS DPV0/DPV1 Master or Slave to EtherNet/IP™ or Modbus® Gateway User Manual
ProSoft Technology, Inc. Page 139 of 196
When the PROFIBUS Master acknowledges the alarm, the SlaveAlarmAck bit will be
set, indicating that the next alarm can be triggered.
Table 5.56 – Modbus Device Status
CS Offset
Description
Slave Device Status
544 + (16 x [Station Address])
Online
545 + (16 x [Station Address])
Data Exchange Active
546 + (16 x [Station Address])
Ident Mismatch
547 + (16 x [Station Address])
Disabled by Output Assembly
548 + (16 x [Station Address])
Device Error
549 + (16 x [Station Address])
Alarm Pending
550 + (16 x [Station Address])
Diagnostics Pending
551 + (16 x [Station Address])
Output Assembly Station Address Mismatch
552 + (16 x [Station Address])
Mapping CRC Mismatch
553 + (16 x [Station Address])
Slave Clear Op Mode
554 + (16 x [Station Address])
Slave Alarm Ack
NOTE: An alarm is triggered when the Alarm Trigger bit toggles from 0 to 1.
The format of the DPV1 Alarm data in the Modbus Holding Register array is shown
below:
Table 5.57 – Slave Alarm Data Format
Alarm Parameter
Holding
Register Offset
Byte Size
Description
Alarm Length
0 – low byte
1
Length of the Alarm Data in bytes. See
appendix for the definitions of the returned
status.
Alarm Type
0 – hi byte
1
Refer to the PROFIBUS Specification EN
50170 for information regarding the
diagnostics.
Below are some examples:
1 - Diagnosis_Alarm
3 - Pull_Alarm
4 - Plug_Alarm
Alarm Slot
1 – low byte
1
Refer to the PROFIBUS Specification EN
50170 for information regarding the
diagnostics.
Alarm Specifier
1 – high byte
1
Refer to the PROFIBUS Specification EN
50170 for information regarding the
diagnostics.
Below are some examples:
0 - no further differentiation
1 – Incident appeared
2 – Incident disappeared and slot is ok
3 - One incident disappeared, others
remain
Alarm data
2
Alarm Length
Refer to the PROFIBUS Specification EN
50170 for information regarding the
diagnostics.

ProSoft Technology PLX51-PBM Specifications

General

Brand	ProSoft Technology
Model	PLX51-PBM
Category	Gateway
Language	English