VEGA WEIGHTRAC 31 Profibus PA - Manual (Page 69)

69
10 Supplement
WEIGHTRAC 31 • Profibus PA
43837-EN-131119
Ʋ Number of digits 5
Ʋ Size of digits W x H = 7 x 13 mm
Adjustment elements 4 keys
Protection rating
Ʋ unassembled IP 20
Ʋ mounted into the housing without
cover
IP 40
Materials
Ʋ Housing ABS
Ʋ Inspection window Polyester foil
Integrated clock
Date format
Day.Month.Year
Time format 12 h/24 h
Time zone Ex factory CET
Rate deviation max. 10.5 min/year
Measurement electronics temerature
Resolution
1 °C (1.8 °F)
Accuracy ±1 °C (1.8 °F)
Voltage supply
Sensor power supply
20 … 72 V DC or 20 … 253 V AC, 50/60 Hz
Profibus PA
Ʋ Non-intrinsically safe bus 9 … 32 V DC
Ʋ Intrinsically safe bus - FISCO model 9 … 17.5 V DC
Ʋ Intrinsically safe bus - ENTITY model 9 … 24 V DC
Number of sensors per DP/PA segment coupler
Ʋ Non-Ex instruments 32
Ʋ Ex instruments 10
Electrical protective measures
Protection, depending on housing ver-
sion
IP 66/IP 67 6)
Overvoltage category III
Protection class I
Approvals
Instruments with approvals can have different technical data depending on the version.
For that reason the associated approval documents of these instruments must be carefully noted.
They are part of the delivery or can be downloaded under www.vega.com and "VEGA Tools" as
well as under "Downloads" and "Approvals".
6) A suitable cable is the prerequisite for maintaining the protection rating.