Omron SYSMAC CJ1W-SCU21-V1, Руководство по эксплуатации

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615
K3T
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Intelligent Signal Processor Protocol Appendix L
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.
+3 Status
(2 digits Hex) d0 bit:
If overflow:1
Others: 0
d1 bit:
If underflow:1
Others: 0
d2 bit:
Not used
d3 bit:
During forced zero operation:1
Others: 0
(K3TH,K3TR: 0)
d4 bit:
Not used
d5 bit:
During hold input:1
Others: 0
d6 bit:
Bank input 1:1
Others: 0
(K3TH, K3TX: 0)
d7 bit:
Bank input 2:1
Others: 0
(K3TH, K3TX: 0)
•
•
•
+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
Number of units
+0
+1
Number of send data words First word of
send data