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A Standard System Protocol
R-90
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
Offset
Contents (data format)
Data
+0
Number of send data words
(4 digits Hex)
0036 (0054 decimal) (fixed)
+1
Unused
Undefined
+2 to +4
Segment number
(ASCII 6 characters)
Combination of 31('1') to 36('6'), 20(' ')
+5
Measurement interval number
(1 digit BCD)
1 to 4
+6
Lower limit value
(decimal portion)
(4 digits BCD)
0000 to 9999
+7
Lower limit value
(Integer portion)
(3 digits BCD)
000 to 999
+8
Lower limit value (Sign)
(ASCII 1 character)
if +: 20(' ')
if –: 2D('–')
+9 to +11 Upper limit value
Same as lower limit values
+12 to
+14
Multistep selection limit value
(L1)
Same as lower limit values
+15 to
+17
Multistep selection limit value
(L2)
Same as lower limit values
+18 to
+20
Multistep selection limit value
(L3)
Same as lower limit values
+21 to
+23
Multistep selection limit value
(L4)
Same as lower limit values
+24 to
+26
Multistep selection limit value
(L5)
Same as lower limit values
+30
+31
+32
+33
+34
+35
+36
+37
+38
+39
+40
+41
+42
+43
+44
+45
+46
+47
+48
+49
+50
+51
+52
+53
(Undefined)
Integer portion
Sign
(Undefined)
(Undefined)
(Undefined)
Decimal portion
(Undefined)
Integer portion
Sign
(Undefined)
(Undefined)
(Undefined)
(Undefined)
(Undefined)
(Unused)
(Unused)
0
0
0
0
0
0
0
0
Decimal portion
(PRT)
(SMP)
Reference value (REF)
Analog output scale number (SCL)
Offset classification (OF)
Offset value
Data output conditions (PR)
Sample measurement classification
Schedule output timer
Sample measurement pulse
Setting Yes/No flags
4 5 6 7
0 1 2 3
2 D 0 0
+6
+7
+8
Example
–123.4567