Orion-instruments Jupiter 2xx FOUNDATION Fieldbus Manuel d'utilisateur télécharger pdf (Page 11)

57-649 Jupiter Magnetostrictive Transmitter - FOUNDATION fieldbus™

2.5 Wiring

Caution: The Jupiter magnetostrictive transmitter operates at volt-

ges of 9-32 VDC (nominal voltage is 24 VDC). Higher

voltages will damage the transmitter.

Wiring between the power supply and the Jupiter

transmitter should be made using 18–22 AWG shielded

twisted pair instrument cable. The transmitter enclosure

consists of two compartments. The upper compartment is

used to terminate the field wires (wiring termination com-

partment), and the lower compartment is the electronics

compartment.

The Jupiter is offered for use in Class I, Div 1 areas (flam-

mable gasses may be present). Follow the instructions

below to complete wiring of the instrument.

WARNING! Explosion hazard. Do not disconnect equipment unless

power has been switched off or the area is known to be

non-hazardous.

An explosion proof (XP) installation potentially has flam-

mable vapors or media present. Covers on instruments in

these areas must remain on and tight while power is

applied to the instrument.

Equipment installed in an area classified as Class I, Div 2,

reflects that flammable or explosive vapors may be present.

To install intrinsically safe wiring, make sure the IS barrier

is properly installed in the safe area (refer to local plant or

facility procedures). Complete the wiring from the barrier

to the Jupiter transmitter. See Agency Specifications–

Intrinsically Safe Installations, Section 5.2.2.

1. Make sure power is off in any junction box which will be

exposed to the atmosphere, unless the area has already

been sniffed and approved free of flammable vapors.

2. The top cover (field wiring compartment) of the Jupiter

transmitter may be removed. Place the cover in a location

where dirt will not get on the threads.

3. Attach the black wire (-) to the negative terminal on the

termination strip.

4. Attach the red wire (+) to the positive wire on the termina-

tion strip.

5. Ground shield at power supply.

6. Tighten and check connections, then replace cover.

7. An explosion proof seal is not required unless specifically

noted by the local code.

Note: All local, state and federal regulations and codes must be

adhered to during and after installation.

Red (+)

Black (-)

(

Figure 4

Wiring Diagram

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 31 32

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