American Magnetics 286 Multi-Sensor Liquid Level Instrument (CE-Marked) - Manual (Page 29)

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Installation
Verifying power requirements
2.7 Connecting to Optional Analog Outputs
See paragraph A.1 on page 95 for connection details for the 4-20 mA
analog output option. See paragraph A.2 on page 96 for connection details
for the 0-10 VDC analog output option.
2.8 Connecting to Communication Options
See paragraph 5.3.1 on page 70 instructions concerning connection to the
serial communications options (RS-232 and RS-422). Paragraph A.3 on
page 98 shows RS-232 cable wiring. Paragraph A.4 on page 99 shows RS-
422 cable wiring.
2.9 Connecting the Instrument to Power
Warning
The Model 286 operates on 50-60 Hz power and may be configured
for 110-120 or 208-240 VAC ±10% (100 or 200 VAC ±10% for Japan
and South Korea). The power requirement for each instrument is
marked on the calibration sticker on the bottom of the instrument.
Be sure your instrument is configured for your power source prior to
plugging in the line cord. Do not fail to connect the input ground
terminal securely to an external earth ground.
Ensure the front panel switch is in the OFF position. Verify that the
instrument is configured for the proper operating voltage by referring to
the calibration sticker affixed to the bottom of the instrument. If the
operating voltage is correct, plug the line cord into the appropriate power
receptacle.
Warning
Do not install the instrument in a manner that prevents removal of
the line cord from the rear panel of the instrument.