GE PACSystems RX7i

Chapter 6. Service Request Function
GFK-2950C February 2018 301
6.16 SVC_REQ 15: Read Last-Logged Fault Table Entry
Use SVC_REQ 15 to read the last entry logged in the Controller Fault Table or the I/O Fault Table. The
SVC_REQ output is set ON unless some invalid number is entered as the requested operation or the
fault table is empty.
The non-extended parameter block has a length of 22 words and the extended parameter block has
a length of 24 words.
Input Parameter Block
Address
Format
Address+0
0 = Read Controller Fault Table
1 = Read I/O Fault Table
80h = Read extended Controller Fault Table
81h = Read extended I/O Fault Table
Output Parameter Block
The format of the output parameter block depends on whether SVC_REQ 15 reads the Controller
Fault Table, the extended Controller Fault Table, the I/O Fault Table or the extended I/O Fault Table.
Controller Fault Table Output Format
Address
I/O Fault Table Output Format
High Byte
Low Byte
High Byte
Low Byte
0
Address+0
1
unused
long/short (always 01)
Address+1
reference address
memory type
long/short
(always 03)
unused
unused
Address+2
reference address offset
slot
rack
Address+3
slot
rack
task
Address+4
block
bus
fault action
fault group
Address+5
point
error code
Address+6
fault action
fault group
fault extra data
Address+7
fault type
fault category
Address+8 to
Address+18
fault extra data
fault description
minutes
seconds
Address+19
minutes
seconds
day of month
hour
Address+20
day of month
hour
year
month
Address+21
year
month
milliseconds (extended format only)
Address+22
milliseconds (extended format only)
not used (extended format only)
Address+23
not used (extended format only)