Experimental Physics and
Industrial Control System

marco_hair <[email protected]> · Wed, 15 Oct 2008 23:51:37 +0800 (CST)

在2008-10-15，"Owens, PH (Peter)" <[email protected]> 写道：
>Not in that case.
>
>Some devices output binary numbers as strings of symbols
>eg "!!!!.!.!" for 0xF5
>that can be parsed with the %B converter.
>
>dfanout would send the same data to all the records,
>which is not what you want, but in any case
>I would recommend Ralph Langes suggestions.
>
>Pete
>
>> -----Original Message-----
>> From: [email protected] 
>> [mailto:[email protected]]On Behalf Of Silver
>> Sent: 15 October 2008 15:54
>> To: tech-talk
>> Subject: Re: RE: a question about mbbiDirect and fanout
>> 
>> 
>> hi, Owens:
>> 
>>   Thank you very much~~~ your answer solved my much 
>> confusion. But about "Depending on the serial protocol you 
>> might be able to change the stream protocol file", can you 
>> give me more explaination? I use "%1r" toe match the 8bit 
>> value such as 0xfe, you means can do some calculation by some 
>> string operator like C++? 
>>   ps, I checked the record manual, seems I can use both 
>> dfanout and seq record to implement your answer 3, am I right?
>> 
>> ======= At 2008-10-15, 21:48:10 you wrote: =======
>> 
>> >Three possibilities:
>> >
>> >1. use a chain of FLNKs
>> >2. use two fanout records.
>> >3. use a seq record
>> >
>> >Why do you need the NOT value?
>> >You could just assign ZNAM to ON rather than OFF in your bi record.
>> >Depending on the serial protocol you might be able to change 
>> the stream protocol file.
>> >In an case, I don't think a calc record has B0,B1,... 
>> fields, so you would need
>> >a second mbbiDirect record.
>> >
>> >eg.:
>> >record(mbbiDirect,"$(PREFIX):DISTATE")
>> >{
>> >        field(DTYP, "stream")
>> >        field(INP, "@power.proto mbbiDirect_distate_raw terminal")
>> >        field(SCAN, "1 second")
>> >        field(PINI, "YES")
>> >        field(FLNK, "$(PREFIX):DIOSTATE")
>> >        field(NOBT,8)
>> >}
>> >
>> >record(bi,"$(PREFIX):DI0STATE")
>> >{
>> >        field(DESC, "MAIN RELAY")
>> >        field(INP, "$(PREFIX):DISTATE.B0")
>> >        field(ZSV, "NO_ALARM")
>> >        field(OSV, "MINOR")
>> >        field(ZNAM, "On")
>> >        field(ONAM, "Off")
>> >        field(FLNK, "$(PREFIX):DI1STATE")
>> >} 
>> >
>> >
>> >>   I want to get a raw value(8 bit) from hardware, after 
>> >> caculating the NOT value of it, 8 bi records will get the 
>> >> each bit value. For example, if I get the raw value "0xFE", 
>> >> caculate it with NOT operator to "0x01", then bi record 1th 
>> >> get the B0 bit, bi record 2th get the B1 bit...etc.
>> >>   If I set SCAN field to period of each bi record, maybe I 
>> >> can refresh the value. While is it possible only setting SCAN 
>> >> field of mbbiDirect record, then arosing all bi records being 
>> >> processed?
>> >> I know if I use a fanout record(maybe dfanout record since 
>> >> fanout only support 6 values), I can do this. Is there any 
>> >> other possible way?
>> >>   ps, is there any other way to caculate the NOT value 
>> >> without using calc record?
>> >> 
>> >> record(mbbiDirect,"$(PREFIX):DISTATE_RAW")
>> >> {
>> >>         field(DTYP, "stream")
>> >>         field(INP, "@power.proto mbbiDirect_distate_raw terminal")
>> >>         field(SCAN, "Passive")
>> >>         field(PINI, "YES")
>> >>         field(FLNK, "$(PREFIX):DISTATE")
>> >>         field(NOBT,8)
>> >> }
>> >> 
>> >> record(calc,"$(PREFIX):DISTATE")
>> >> {
>> >>         field(CALC, "~A")
>> >>         field(INPA, "$(PREFIX):DISTATE_RAW.VAL NPP")
>> >> }
>> >> 
>> >> record(bi,"$(PREFIX):DI0STATE")
>> >> {
>> >>         field(DESC, "MAIN RELAY")
>> >>         field(SCAN, "1 second")
>> >>         field(INP, "$(PREFIX):DISTATE.B0 PP")
>> >>         field(ZSV, "MINOR")
>> >>         field(OSV, "NO_ALARM")
>> >>         field(ZNAM, "OFF")
>> >>         field(ONAM, "ON")
>> >> }
>> >> 
>> >> record(bi,"$(PREFIX):DI1STATE")
>> >> {
>> >>         field(DESC, "CURRENT TRANSDUCER")
>> >>         field(SCAN, "1 second")
>> >>         field(INP, "$(PREFIX):DISTATE.B1 PP")
>> >>         field(OSV, "MAJOR")
>> >>         field(ZSV, "NO_ALARM")
>> >>         field(ONAM,"FAULT")
>> >>         field(ZNAM, "OK")
>> >> }
>> >> .......  
>> >> 
>> >> Thank you very much for your help. 
>> >> 
>> >> 
>> >> Best regards
>> >> Geyang  2008-10-15
>> >> 
>> >> 
>> >> 
>> >
>> 
>> = = = = = = = = = = = = = = = = = = = =
>> 			
>> 
>> Best regards				 
>> Geyang 2008-10-15
>> 
>> 
>> 
>> 
>

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System