Alpha 8100 Operating Manual page 51

Identification Sentence
Send "I" to cause the unit to emit a sentence of this format:
$APA00,8100074300,1.08,01546,01714,01397,00297,04540,00000,00513,00970,00393,00000,0100
0,0025,0200,010,128,074*5621
$ Start or "flag" character. This can be used by an external program to locate the start of the
sentence, as it is never used elsewhere. The checksum calculation begins after this character.
APA00 Short for Alpha Power Amplifier type 00. This indicates the sentence is from an Alpha
product, an amplifier. Type 00 sentences are frequently used for identification. This is the
beginning of the "payload" portion of the sentence.
8100074300 This is the amplifier's manufacturers serial number.
1.08 Code version
01546 Forward power meter slope
01714 Forward power engineering units slope
01397 Reflected power slope
00297 Input power slope
04540 Plate voltage slope
00000 Plate voltage offset
00513 Plate current slope
00970 Plate current offset
00393 Grid current power slope
00000 Grid current offset
ALPHA 8100 OPERATING MANUAL
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