Micropilot FMR62B HART
Electrical connection
Hauser
19
11.2 Connecting the device
1
1
B
C
D
1
1
A
A0046659
A
Plastic single compartment housing
B
Aluminum single compartment housing
C
Dual compartment housing
D
Dual compartment housing, L-form
1
Connection compartment cover
Housing thread
The thread of the electronics and connection compartment is coated with lubricant
varnish.
Avoid additional lubrication.
11.2.1 Supply voltage
The supply voltage depends on the selected type of device approval
Non-hazardous, Ex d, Ex e
10.5 to 35 V
DC
Ex i
10.5 to 30 V
DC
Nominal current
4 to 20 mA
The power unit must be tested to ensure it meets safety requirements (e.g., PELV, SELV,
Class 2) and complies with the relevant protocol specifications.
A suitable circuit breaker must be provided for the device in accordance with IEC/EN61010-1
11.2.2 Cable specification
Rated cross-section
• Supply voltage
0.5 to 2.5 mm
2
(20 to 13 AWG)
• Protective earth or grounding of the cable shield
> 1 mm
2
(17 AWG)
• External ground terminal
0.5 to 4 mm
2
(20 to 12 AWG)
