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R-109
A Standard System Protocol
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
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Protocol
Configur
ation
Receive Data Word Allocation (4th Operand of PMCR(260))
Additional Information
This sequence can be used for the 3Z4L-4000 Series only when pin 8 on DIP switch SW2 is
turned ON.
Offset Contents (data format) Data
+0 Number of receive data words
(4 digits Hex) 0013 (0019 decimal) (fixed)
+1 Segment number (1 digit BCD) 1 to 5
+2 Measurement interval number
(1 digit BCD) 1 to 7
+3 Lower limit value (Decimal por-
tion) (4 digits BCD) 0000 to 9999
+4 Lower limit value (Integer por-
tion) (3 digits BCD) 000 to 999
+5 Lower limit value (Sign) (BIN) If +: 0
If –: F
+6 to +8 Upper limit value Same as lower limit value
+9 to +11 Reference value Same as lower limit value
+12 Analog output scale number
(1 digit BCD) 0 to 3
+13 to
+15 Forced zero number (ASCII 5
characters) 5A45524F2B ("ZERO+")
4E4F524D20 ("NORM ")
5A45524F2D ("ZERO–")
+16 Data output condition
(1 digit BCD) 0 to 6
+17 Data output timer value
(3 digits BCD) 000 to 999
+18 Number of seconds for latch
timer (2 digits BCD) 00 to 99
Receive data
storage words Number of receive data words +0
+1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
(Undefined)
Decimal portion
(Undefined)
Integer portion
Sign
(Undefined)
(Undefined)
Decimal portion
(Undefined) Integer portion
Decimal portion
(Undefined)
Integer portion
(Undefined)
(Undefined)
(Undefined)
(PRT)
Sign
(Undefined)
Sign
(Undefined)
(Undefined)
(Undefined)
Segment number (SG)
Measurement interval number (M)
Lower limit value (LL)
Upper limit value (LH)
Reference value (REF)
Analog output scale number (SCL)
Data output condition (PR)
Number of seconds for latch timer (RLT)
Data output timer (BCD 3 digits)
Forced zero number (ZERO+)
4 5 6 7
0 1 2 3
F 0 0 0
+3
+4
+5
Example –123.4567