PM783F 3BDH000364R0002 Programmable control module
Brand ABB Color Standard Application Industrial height 249mm rated current 258mA
Protection Level IP45 Suitable for motor power 159KW Application Site Power Industry Material Code GJR2391500R1220 Power industry HIEE401782R0001 Part Number PM783F 3BDH000364R0002
Applicable pipe 2 Whether imported is weighing 2.56 kg can be sold nationwide
PM783F 3BDH000364R0002 Programmable control module
plc analog input data collection, in the calculation – conversion to get MD double word, and finally the host computer monitor display address DB.DBW single word, how is this process converted, what instructions are used? Please master Pointers, best detailed examples, thank you!
With MOV instruction to double integer (such as :DB20.DBD48) into the host computer monitoring display address (single integer) how to turn it? Should I take the lower two or the higher two?
A: Generally use Siemens standard function block FC105 to convert the data collected by the analog input module into real numbers can be saved by MD, and then convert the real numbers into double integers (can use ROUND or TRUNC instruction), and finally convert the double integers into your host computer monitoring display address such as DB.DBW (single integer) with MOV instruction. The reason why you can use a single integer signal to display your acquisition value should be that your input signal does not exceed the expression range of a single integer signal, otherwise it will cause data overflow.
For example, convert the value in DB20.DBD48 to MW20
1. move DB20.DBD48 MW20
move 0 DB20.DBW48
2. move DB20.DBW50 MW20
DB20.DBW48=0, otherwise DB20.DBD48≠MW20.
PM783F 3BDH000364R0002 Programmable control module
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