- Honeywell Pressure Transducer Catalog
- High Precision Pressure Transducer
- Honeywell Sensotec Pressure Transducers
Honeywell Pressure Transducer Catalog
The T7500 series low pressure transducer converts DC electronic input signal to a proportional low pressure pneumatic output. The transducer employs electronic closed loop feedback in conjunction with a piezoceramic actuator flapper nozzle system in the pilot stage to control the signal pressure of an integral pneumatic volume booster. Precision Pressure Transducer PPT Honeywell’s precision pressure transducer (PPT) offers extraordinary value with high accuracy over a wide temperature range. The PPT combines proven silicon sensor technology with microprocessor-based signal conditioning to provide. Honeywell Technology Part of the SmartLine® family of products, the STD800 is a high performance differential pressure transmitter featuring piezoresistive sensor technology. By combining differential pressure sensing with on chip static and temperature compensation the STD800 offers high accuracy and stability over a wide range of application.
Pressure Systems, Inc. Model 9046 User’s Manual
Page 37
www.PressureSystems.com
5.5 Read Primary Transducer A/D Counts (Command ’a’)
Purpose
:
Returns the most recently acquired primary transducer (i.e., temperature/ resistance) raw data
for the specified channels. These data are averaged signed A/D counts (in the range -32768 to
+32767). This simple data bypasses using the transducer’s E. U. conversion coefficients
(c0.c3) and the calibration adjustment coefficients (offset and gain). Each (non-binary) datum
returned in the response will be in the specified high-precision data format. (NOTE: the formula
for converting A/D counts to volts is: Volts = A/D Counts * 5/32768) This command is intended
for advanced users only and is not required for normal operation.
Command
'appppf'
’a’ is the operation code
’pppp’ position field (channel selection bit map)
’f’ is the format field
Response
' dddd. dddd'
’dddd’ are the data fields, each with leading space
(except f = 7 or 8).
Description
: The 4-character hex position field (pppp) specifies a 16-bit binary bit-map, with
each bit (set to 1) to specify a particular channel number (16-1, left-to-right).
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The 1-character format field (f) specifies the format of each data field (dddd) that will be returned
in the requested response. The first datum returned in the response will be for the highest
channel number requested. Each (non-binary) datum will be preceded by a space character.
Some formats may not be applicable to the specific type of data being requested. Valid formats
are shown in the following table:
f
converts each internal response datum value from:
max.char.
0
single binary float to 7-10-digit signed decimal ' [-xxx]x.xxxxxx'
13
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single binary float to 8-digit hex integer ' xxxxxxxx'
9
2
double binary float to 16-digit hex integer ' xxxxxxxxxxxxxxxx'
17
5
single binary float to long integer (EU*1000) then to 8-digit hex
integer
9