Allen-Bradley SLC 500 Manual page 39

T4:000. 4 999
or Tn:000.
C5:000. 5 999
or Cn:000.
R6:000. 6 999
or Rn:000.
N7:000 7 999
or Nn:000
ND 7 999
(Double)
NL (Long) 7 999
D8 or Dn: 8 999
F8 or Fn: 8 999
A8 or An: 8 999
ST 8 999
Note 1: File Type ranges other than the default value shown in 'File Type # Min' are 8-999.
Note 2: Address range for I & O are in rrg (rr=rack num., g=group num.) Address Max for S is dependent on the
PLC.
Note 3: Bits may wrap into other words. EX: B3:5/41 = B3:7/9 Bit format is Decimal.
Note 4: Integer types (range –32768 to 32767) may be configured as unsigned (range 0 – 65535). Data format is
16 bit Decimal.
Note 5: These are system variables. Use caution when writing to S variable types.
Note 6: O and I bits can use octal addressing by adding 'o' to the bit address. EX: I1:2/o17.
Note 7: Default format for I/O is Octal words and Decimal Bits
QUICKDESIGNER
0-999
(.ACC, .PRE, .EN, .TT,
.DN)
0-999
(.ACC, .PRE, .DN, .CU,
.CD, .OV, .UN, .UA)
0-999
(.LEN, .POS, .DN, .EN,
.ER, .UL, .IN, .FD)
0-999 /0 - /15
0-999
0-999
0-999
0-999
0-999
0-999
Y 0 to +32767
Y -32768 to +32767
Y -32768 to +32767
Y -32768 to +32767
Y -2147M to 4294M
Y -2147M to 4294M
Y 0 to 9999
Y -2147M to 4294M
Y Null - ASCII
Y Null - ASCII
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