IS 140 • IGA 140 Manual
Data format UPP (Universal Pyrometer Protocol)
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35
Description
Command Parameters
Reading video-status:
AAos
Output: XX hexadecimal-Byte
(bits 6, 5 and 3 unassigned)
Bit 7 = 1 no watch/date implemented
Bit 5 = 1/0 brightness control manual/automatically
Bit 4 = 1 date/watch had a low voltage error
Bit 2 = 1 date is indicated
Bit 1 = 1 watch is indicated
Bit 0 = 1 user text
= 0 device number is indicated
AAos0
switches off the video output driver (high-impedance)
AAos1
switches on the video output driver
98osXX
(only as broadcast command!) doesn’t answer, switches
on video output driver only for the instrument with the
address XX and switches off for all other instruments in
the bus system
User-text:
AAox
Output: "XXXXXXXXXXXX"
ASCII-symbol with ""
limited
AAox_
_ = space character
⇓
deletes bit 0 in video-status
(auto reset!)
AAoxTT … TT
TT ... TT text with max.! 12 ASCII, sets bit 0 in video-status
(auto reset!)
Time:
AAot
Output: time in format: HHMMSS
(6 ASCII-signs)
AAotX
X = ‘0‘ or = ‘1‘ time indicator off/on (auto reset!)
AAotHHMMSS
setting time to HHMMSS (auto reset!)
Date:
AAoj
Output: date in format: TTMMJJ
(6 ASCII-signs)
AAojX
X = ‘0‘ or = ‘1‘ date indicator off/on (auto reset!)
AAojTTMMJJ
setting date to TTMMJJ (auto reset!)
Note:
The letter “l” means the small type of “L”.
Additional Instructions for the RS485 Interface:
Requirements to the master system during half-duplex operation:
1. After an inquiry, the bus should be switched into a transmission time of 3 bits (some
older interfaces are not fast enough for this).
2. The pyrometer's response will follow after 3 ms at the latest.
3. If there is no response, there is a parity or syntax error and the inquiry should be
repeated.
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