Mode C/E

English translation: Mode C/E

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
French term or phrase:Mode C/E
English translation:Mode C/E
Entered by: Daryo

15:44 Dec 30, 2019
French to English translations [PRO]
Tech/Engineering - Energy / Power Generation / O&M Agreement
French term or phrase: Mode C/E
This is a line in a schedule to the O&M relating to data interfaces:

taux de transmission maximale jusqu’à 19200 baud (fixé ou Mode C/E)

Nothing is coming up in my searches for "Mode C/E"
Paula McMullan
United Kingdom
Local time: 16:11
Mode C/E
Explanation:
"taux de transmission maximale jusqu’à 19200 baud (fixé ou Mode C/E)"

some 20-30 years ago that would have been the specs of a top of the range modem.

Compared to today's broadband speeds, it's like the speed of a very lazy snail, but that standard is still used and good enough for some applications that don't require transmission of huge volumes of data.

this is a relevant reference
https://github.com/lvzon/dsmr-p1-parser/blob/master/doc/IEC-...

BTW, it reminds me of the "dark art" needed to make a modem connect to the Internet 20-30 years ago.

IEC 62056-21 Protocol modes

IEC 62056-21 meters may support several different protocol modes:

A. Fixed rate (300 baud), bidirectional ASCII protocol. The master device sends a sign-on sequence, the slave device (meter) responds with an identifier followed by a data telegram. The master may optionally enter programming mode after receiving the telegram.

B. Bidirectional ASCII protocol with baud-rate switching. This is similar to mode A, but after transmitting the identifier at 300 baud, the slave device may switch to a higher baud rate, which is specified in the identifier.

C. This is similar to mode B, but it allows manufacturer-specific extentions and a device in mode C will not automatically send a data telegram following the identifier. Instead, the master has to switch to readout or programming mode, and may also specify whether the baud rate should be switched or not.

D. Fixed rate (2400 baud) unidirectional ASCII protocol. Data is either pushed by the meter or requested some other way (e.g. by pushing a button). The meter sends an identifier followed by a data telegram.

E. This is an extended version of modes A-C, whereby the meter may specify that it supports other (e.g. binary) transmission protocols.

So the meaning of "Mode C/E" is: "Mode C - Extended version" (of the IEC 62056-21 Protocol)

Having said that, these "modes" are usually not translated - would create too much headaches and confusion.

more:

https://learn.sparkfun.com/tutorials/serial-communication/al...




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Note added at 1 day 16 hrs (2020-01-01 07:51:42 GMT)
--------------------------------------------------


"fixé" would be the mode A or D, but "fixed baud rate" is enough
Selected response from:

Daryo
United Kingdom
Local time: 16:11
Grading comment
Thanks, Daryo.
4 KudoZ points were awarded for this answer



Summary of answers provided
4 +1Mode C/E
Daryo


Discussion entries: 9





  

Answers


1 day 4 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
Mode C/E [EC 62056-21 Protocol modes]
Mode C/E


Explanation:
"taux de transmission maximale jusqu’à 19200 baud (fixé ou Mode C/E)"

some 20-30 years ago that would have been the specs of a top of the range modem.

Compared to today's broadband speeds, it's like the speed of a very lazy snail, but that standard is still used and good enough for some applications that don't require transmission of huge volumes of data.

this is a relevant reference
https://github.com/lvzon/dsmr-p1-parser/blob/master/doc/IEC-...

BTW, it reminds me of the "dark art" needed to make a modem connect to the Internet 20-30 years ago.

IEC 62056-21 Protocol modes

IEC 62056-21 meters may support several different protocol modes:

A. Fixed rate (300 baud), bidirectional ASCII protocol. The master device sends a sign-on sequence, the slave device (meter) responds with an identifier followed by a data telegram. The master may optionally enter programming mode after receiving the telegram.

B. Bidirectional ASCII protocol with baud-rate switching. This is similar to mode A, but after transmitting the identifier at 300 baud, the slave device may switch to a higher baud rate, which is specified in the identifier.

C. This is similar to mode B, but it allows manufacturer-specific extentions and a device in mode C will not automatically send a data telegram following the identifier. Instead, the master has to switch to readout or programming mode, and may also specify whether the baud rate should be switched or not.

D. Fixed rate (2400 baud) unidirectional ASCII protocol. Data is either pushed by the meter or requested some other way (e.g. by pushing a button). The meter sends an identifier followed by a data telegram.

E. This is an extended version of modes A-C, whereby the meter may specify that it supports other (e.g. binary) transmission protocols.

So the meaning of "Mode C/E" is: "Mode C - Extended version" (of the IEC 62056-21 Protocol)

Having said that, these "modes" are usually not translated - would create too much headaches and confusion.

more:

https://learn.sparkfun.com/tutorials/serial-communication/al...




--------------------------------------------------
Note added at 1 day 16 hrs (2020-01-01 07:51:42 GMT)
--------------------------------------------------


"fixé" would be the mode A or D, but "fixed baud rate" is enough

Daryo
United Kingdom
Local time: 16:11
Native speaker of: Native in SerbianSerbian, Native in FrenchFrench
PRO pts in category: 23
Grading comment
Thanks, Daryo.
Notes to answerer
Asker: Thank you very much, Daryo.


Peer comments on this answer (and responses from the answerer)
neutral  philgoddard: Sounds like you've changed your mind and now agree with me, since you've lifted my reference.
1 hr
  -> finding the right reference and then totally misinterpreting it? I agreed with THAT kind of "method"? // BTW this reference is not "yours", especially if all you can see in it is "these letters probably doesn't stand for anything" THEY DO.

agree  SafeTex
1 day 12 hrs
  -> Thanks!
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