ABB AC 31 User Manual

Programming
Page 5-6 ABB Control - AC 31
1SBC 260400 R1001-b 06.99
Type Variables Description
from to
Binary outputs
O 00.00 O 61.15 binary outputs on the CS 31 bus
O 62.00 O 62.05 binary outputs on the central units
O 63.00 O 68.15 binary outputs on the extensions of the central units.
Analog outputs
OW 00.00 OW 61.15 analog outputs on the CS 31 bus
OW 62.00 OW 62.15 reserved variables
OW 63.00 OW 68.15 analog outputs on the extensions of the central units.
Chain steps
S 000.00 S 125.15 chain steps
Internal bits
M 000.00 M 099.15 internal bits useable in the program
M 230.00 M 254.15 internal bits useable in the program
M 255.00 2 Hz oscillator variable
M 255.01 1 Hz oscillator variable
M 255.02 0.5 Hz oscillator variable
M 255.03 0.01667 Hz oscillator variable (period = 1 minute)
M 255.04 M 255.09 reserved variables
M 255.10 M 255.14 diagnosis bits
M 255.15 variable, always set to "0" on startup, which may be used for the
detection of the first program cycle
Internal words
MW 000.00 MW 099.15 internal words useable in the program
MW 230.00 MW 253.15 internal words useable in the program
MW 254.00 MW 254.07 class 1 errors information
MW 254.08 MW 254.15 class 2 errors information
MW 255.00 MW 255.07 class 3 errors information
MW 255.08 MW 255.15 class 4 errors information
Internal double words
MD 00.00 MD 07.15 double words useable in the program
Bit constants
K 00.00 K 00.01 indirect bit constants
Word constants
KW 00.00 KW 00.15 system word constants reserved for the configuration
not accessible by
AC31GRAF
KW 01.00 KW 31.15 indirect word constants
Double word constants
KD 00.00
not accessible by
AC31GRAF
system double word constant reserved for the cycle time
KD 00.01 KD 07.15 indirect double word constants
System internal
historical values
Not accessible historical values

ABB AC 31 Specifications

General

Brand	ABB
Model	AC 31
Category	Controller
Language	English