VEGA POINTRAC 31 Foundation Fieldbus - Manual (Page 46)

46
11 Supplement
POINTRAC 31 • Foundation Fieldbus
41779-EN-131119
Electrical protective measures
Protection, depending on housing ver-
sion
IP 66/IP 67 4)
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".
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.
Revisions Data DD-Revision Rev_01
CFF-File 010101.cff
Device Revision 0101.ffo
0101.sym
Cff-Revision xx xx 01
Device software revision > 1.5.0
ITK (Interoperability Test Kit) Number 6.0.1
Electricial Characteristics Physicial Layer Type Low-power signaling, bus-pow-
ered, FISCO I.S.
Input Impedance > 3000 Ohms between 7.8 KHz -
39 KHz
Unbalanced Capacitance < 250 pF to ground from either in-
put terminal
Output Amplitude 0.8 V P-P
Electrical Connection 4 Wire
Polarity Insensitive Yes
Max. Current Load 10 mA
Device minimum operating voltage 9 V
Transmitter Function Blocks Resource Block (RB) 1
Transducer Block (TB) 1
Standard Block (AI) 3
Execution Time 30 ms
Diagnostics Standard Yes
Advanced Yes
Performance No
Function Blocks Instantiable No
4) A suitable cable is the prerequisite for maintaining the protection rating.