NAiS FP Series Hardware Manual page 175

Special Data Registers
C.1 Special Data Registers
The special data registers are one word (16-bit) memory areas which store specific
information. With the exception of registers for which "Writing is possible" is indicated
in the "Description" column, these registers cannot be written to.
The explanations in this chapter often utilize FPWIN GR conventions. When using
FPWIN Pro for programming, please note these slight differences:
Hexadecimal values are represented by the prefix 16# and not H.
Decimal values do not require a K prefix.
Addresses
T32CP Other Types
DT90000 DT9000
DT90010 DT9010
DT90014 DT9014
DT90015 DT9015
DT90016
DT9016
DT90017 DT9017
DT90018 DT9018
DT90019 DT9019
C-2
Description
Self–diagnostic error code
The self-diagnostic error code is stored here when a self-diagnostic
error occurs. Monitor the error code using decimal display.
* see page
For detailed information,
I/O verify error unit
The position of the I/O for which an error occurred is stored in bits 0 to 3.
Auxiliary register for operation
One shift-out hexadecimal digit is stored in bit positions 0 to 3 when an F105 (BSR)
or F106 (BSL) instruction is executed.
Auxiliary register for operation
The divided remainder (16-bit) is stored in DT9015 when an F32 (%) or F52 (B%)
instruction is executed.
The divided remainder (32-bit) is stored DT9015 and DT9016 when an F33 (D%) or
F53 (DB%) instruction is executed.
Operation error address (hold)
After commencing operation, the address where the first operation error occurred is
stored. Monitor the address using decimal display.
Operation error address (non-hold)
The address where a operation error occurred is stored. Each time an error occurs,
the new address overwrites the previous address. At the beginning of scan, the ad-
dress is 0. Monitor the address using decimal display.
2.5 ms ring counter
The data stored here is increased by one every 2.5 ms. (H0 to HFFFF)
Difference between the values of the two points (absolute value) × 2.5 ms = Elapsed
time between the two points.
11-10.
Matsushita Electric Works (Europe) AG
FP0 Hardware