Wiring
Deltabar S FMD77, FMD78, PMD75 with FOUNDATION Fieldbus
32
Hauser
5.1.1
Connecting devices with 7/8" plug
5.2
Connecting the measuring unit
For further information on the network structure and grounding and for further bus system
components such as bus cables, see the relevant documentation, e.g. Operating Instructions
BA00013S "FOUNDATION Fieldbus Overview" and the FOUNDATION Fieldbus Guideline.
5.2.1
Supply voltage
• Version for non-hazardous area: 9 to 32 V DC
WARNING
!
Supply voltage might be connected!
Risk of electric shock and/or explosion!
‣
When using the measuring device in hazardous areas, installation must comply with the
corresponding national standards and regulations and the Safety Instructions or
Installation or Control Drawings.
‣
All explosion protection data are given in separate documentation which is available
upon request. The Ex documentation is supplied as standard with all devices approved for
use in explosion hazardous areas.
5.2.2
Current consumption
15.5 mA ±1 mA, switch-on current corresponds to IEC 61158-2, Clause 21.
5.2.3
Terminals
• Supply voltage and internal ground terminal: 0.5 to 2.5 mm
2
(20 to 14 AWG)
• External ground terminal: 0.5 to 4 mm
2
(20 to 12 AWG)
5.2.4
Cable specification
• Use a twisted, shielded two-wire cable, preferably cable type A.
• Outer cable diameter: 5 to 9 mm (0.2 to 0.35 in)
For further information on the cable specifications, see Operating Instructions BA00013S
"FOUNDATION Fieldbus Overview", FOUNDATION Fieldbus Guideline and IEC 61158-2
(MBP).
PIN assignment for 7/8" connector
PIN
Meaning
A0011176
PIN
Meaning
1
Signal –
2
Signal +
3
Shield
4
Not assigned
4
2
3
1
Содержание Deltabar S FMD77
Страница 114: ...www addresses endress com 71336231 ...