User guide

74
11 Supplement
MINITRAC 31 • Foundation Fieldbus
41782-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
Operating voltage
Ʋ Sensorpowersupply 20…72VDCor20…253VAC,50/60Hz
Ʋ FF bus 9…32VDC
Electrical protective measures
Protection, depending on housing ver-
sion
IP 66/IP 67
7)
Overvoltage category III
Protection class I
Approvals
Instrumentswithapprovalscanhavedierent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".
11.2 Supplementary information Foundation Fieldbus
Thefollowingtablegivesyouanoverviewoftheinstrumentversionsandthecorrespondingdevice
descriptions,theelectricalcharacteristicsofthebussystemaswellastheappliedfunctionblocks.
7)
 Asuitablecableistheprerequisiteformaintainingtheprotectionrating.