Mitsubishi Electric FX5-DP-M, User Manual

Page: 163 / 176

APPX
Appendix 3 Buffer Memory
161
A
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Normal response format when the alarm is read (with ACK)
Address Bit Name Description Stored value
Un\G26446

Alarm read (with ACK) normal
response code Stores the response code that occurs when an alarm read
(with ACK) request is completed successfully. A502H
Un\G26447

FDL address Stores the FDL address of the DP-Slave for the alarm
acquisition and ACK return address. 0 to 125
Un\G26448 b8 to
b15 Completed status Bit of an alarm No. for which ACK return completed successfully turns on.
b0 to b7 Bit of the alarm No. for which alarm acquisition completed successfully turns on.
Un\G26449

Alarm No.1 Alarm data length Stores the acquired alarm data length. (Unit: Bytes) 1 to 64
Un\G26450

Alarm type Stores the acquired alarm type.
• A510H: Diagnosis Alarm
• A511H: Process alarm
• A512H: Pull Alarm
• A513H: Plug Alarm
• A514H: Status Alarm
• A515H: Update Alarm
• A516H: Manufacturer Specific Alarm
Un\G26451  Alarm slot number Stores the slot number that has an alarm notification. 0 to 254
Un\G26452 b0, b1 Alarm details Status classification is stored.
• 00: No additional information
• 01: Error is received, a malfunction is in the slot. (An error is detected, and an alarm is
notified from that slot)
• 10: Error is cleared and the slot is normal. (An alarm is notified from the slot, but no
subsequent error occurs)
• 11: Error is cleared but a malfunction is in the slot. (An alarm is notified from the slot,
and the error continues)
b2 ACK return requirement is stored.
• 0: ACK return not required
• 1: ACK return required
b3 to b7 This number is the sequence number.
• 0 to 31
b8 to
b15 Empty (Fixed to 0H)
Un\G26453 to
Un\G26484

Alarm data Stores the acquired alarm data. (Maximum 64 bytes)
Un\G26485

ACK Normal
response code Stores the response code that occurs when an Alarm ACK
request is completed successfully. A501H
Un\G26486  ACK type Stores the acquired alarm type.
• A510H: Diagnosis Alarm
• A511H: Process alarm
• A512H: Pull Alarm
• A513H: Plug Alarm
• A514H: Status Alarm
• A515H: Update Alarm
• A516H: Manufacturer Specific Alarm
Un\G26487 b0, b1 ACK details Status classification is stored.
• 00: No additional information
• 01: Error is received, a malfunction is in the slot. (An error is detected, and an alarm is
notified from that slot)
• 10: Error is cleared and the slot is normal. (An alarm is notified from the slot, but no
subsequent error occurs)
• 11: Error is cleared but a malfunction is in the slot. (An alarm is notified from the slot,
and the error continues)
b2 ACK return requirement is stored.
• 0: ACK return not required
• 1: ACK return required
b3 to b7 Sequence number is stored.
• 0 to 31
b8 to
b15 Empty (Fixed to 0H)
Un\G26488

ACK Slot number Stores the slot number that has an alarm notification. 0 to 254
Un\G26489 to
Un\G26528

Alarm No.2 Same as alarm No.1.