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Promet EExd User's Manual
2.5.2
Power Connection
A single-phase AC power connection is required.
The power supply can accommodate voltages from 90 to 260 V AC, 47/63 Hz. The unit
requires a maximum of 180 W to function correctly.
The connection is made via a two-part connector mounted at the base of the unit. See
Appendix A.
Cable entry into the measurement system is made through the bottom of the enclosure.
•
For ATEX/IECEx compliant versions of the product 3 off ISO M20 tapped
holes are provided
•
For cCSAus compliant version of the product 3 off ½" NPT entries are
provided
NOTE: For ATEX/IECEx installations EExd Stopping Glands MUST be used
when installing. Refer to the separate Installation & Maintenance Information
sheet supplied.
The terminals are marked:
L = Live
N = Neutral
E = Earth
AL1
AL2
NC C
NO NC C
NO
1 2 3 4 5 6
Enclosure wall
Michell Instruments
AL3
AL4
NC C
NO NC C
NO
7 8 9 10 11 12
PL16
PL20
Figure 6
COMMS
B
A
GND
13 14 15
PL15
Hook-up Wiring Diagram
INSTALLATION
Channel 1
Channel 2
16 17 18 19
20 21 22 23
PL14
L
E N
Gland
Cable screen
PL19
13
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