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371
K3T
#
Intelligent Signal Processor Protocol
Appendix I
Read Holding Data PH (Continuous Units) (Sequence No. 333
(Hex 014D))
This sequence reads peak holding data for continuous units.
Send Data Word Allocation (3rd Operand of PMCR(260))
Receive Data Word Allocation (4th Operand of PMCR(260))
The data allocation is similar to sequence No. 332 (Read Holding Data (by Unit Number)).
Read Holding Data BH (Continuous Units) (Sequence No. 334
(Hex 014E))
This sequence reads bottom holding data for continuous units. The word allocation is identical to that of
sequence No. 333 (Read Holding Data PH (Continuous Units)).
Read Display Value (PV) (by Unit Number) (Sequence No. 335
(Hex 014F))
Reads the display value (PV) and stores the results in the specified words.
Send Data Word Allocation (3rd Operand of PMCR(260))
•
•
•
+96
Status
Same as above
Offset
Contents (data format)
Data
+0
Number of send data words
(4 digits Hex)
0002
+1
Number of units (4 digits Hex)
0001 to 0020 (1 to 32 decimal)
Offset
Contents
(data format)
Data
+0
Number of send data words
(4 digits Hex)
0003 to 0022 (3 to 34 decimal)
+1
Number of units
(4 digits Hex)
0001 to 0020 (1 to 32 decimal)
+2
Relevant unit No.
(2 digits BCD)
00 to 99
•
•
•
+ 33
Relevant unit No.
(2 digits BCD)
00 to 99
Offset
Contents (data format)
Data
Number of units
+0
+1
Number of send data words
First word of
send data
Relevant unit No.
Number of units
+0
+1
+2
+33
Number of send data words
First word of
send data
~
~
Relevant unit No.
(Undefined)
(Undefined)
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