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Chapter 6. Service Request Function
Long/Short Value
The first byte (low byte) of word address +1 contains a number that indicates the length of the fault-
specific data in the fault entry. Possible values are as follows:
Controller extended and non-extended fault tables
I/O extended and non-extended fault tables
Note: PACSystems CPUs always return the Long values for both extended and non-extended
formats.
SVC_REQ 15 Example 1
When inputs %I0250 and %I0251 are both on, the first
Move function places a zero (read Controller Fault
Table) into the parameter block for SVC_REQ 15.
When input %I0250 is on and input %I0251 is off, the
Move instruction instead places a one (read I/O Fault
Table) in the SVC_REQ parameter block. The
parameter block is located at location %R0600.
302
PACSystems* RX7i, RX3i and RSTi-EP CPU Programmer's Reference Manual
00 = 8 bytes (short) 01 = 24 bytes (long)
02 = 5 bytes (short) 03 = 21 bytes (long)
GFK-2950C
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