VEGA D91 Profibus PA User Manual
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Pressure transmitter D91 (Profibus PA)
Product description
1)
The use of a properly fitting cable seal in the cable connection is necessary for maintaining the housing
protection. If the seal used does not fit the cable, it should be replaced by a suitable one.
Connection cable, processing unit – Profibus PA
Cable entry
M20 x 1.5 (for cable ø 5 … 9 mm)
Screw terminals
for conductor cross-sections of up to 2.5 mm
2
Recommended bus cable types
- SINEC 6XV 830-5AH10 (Siemens AG)
- SINEC L2 6XV1 830-35H10 (Siemens AG)
- 3079 A (Belden)
Connection cable, processing unit – Transmitter
Cable entry
M20 x 1.5 (for cable ø 5 … 9 mm)
Screw terminals
for conductor cross-sections of up to 2.5 mm
2
Transmitter
- with fixed cable outlet
3-wire screened with breather capillaries
- with cable connection terminals
3-wire screened
Protective measures
1)
Protection
- transmitter with fixed cable outlet
IP 68
- transmitter with terminal housing
IP 66/IP 67
- transmitter with plug connection
IP 66/IP 67
- processing unit
IP 66/IP 67
Protection class
III
Overvoltage category
III
Accuracy (similar to DIN 16 086, DIN V 19 259 - 1 and IEC 770)
Deviation
Reference conditions (acc. to IEC 770)
- temperature
15°C … 35°C
- rel. humidity
45 % … 75 %
- air pressure
860 mbar … 1060 mbar/86 kPa … 106 kPa
Determination of characteristics
limit point adjustment acc. to DIN 16 086
Characteristics
linear
Deviation in characteristics
incl. hysteresis and repeatability
- Turn Down 1 : 1
< 0.25 % with accuracy class 0.25
< 0.1 % with accuracy class 0.1
- Turn Down up to 1 : 5
typ. < 0.3 % with accuracy class 0.25
typ. < 0.1 % with accuracy class 0.1
- Turn Down up to 1 : 10
typ. < 0.4 % with accuracy class 0.25
typ. < 0.2 % with accuracy class 0.1