Operation - Siemens 7ml12011ef00 Instruction Manual

Interconnection
• Installation shall only be performed by qualified personnel and in accordance with
Notes:
local governing regulations.
• Separate cables and conduits may be required to conform to standard instrumentation
wiring practices, or electrical codes.
A. With lid closed, remove cable entry 'knock out' on either side
as required.
B. Open lid by loosening the lid screw.
C. Run cable to The Probe.
D. Connect mA output, power supply and relay wiring
E. Close lid. Tighten screw to 1.1 to 1.7 N-m (10 to 15 in-lb)
Non-metallic enclosure does not provide grounding between conduit connections. The use
Note:
of approved watertight conduit hubs/glands is required for Type 4X / NEMA 4X / IP65 (outdoor)
applications.
All field wiring must have insulation
suitable for at least 250 V.
dc terminals shall be supplied from a
SELV source in accordance with IEC-
1010-1 Annex H.

Operation

Start Up
• With The Probe correctly installed (or
aimed at a wall 0.25 to 5 m away), apply
power.
• The Probe starts up displaying the
following:
• It then defaults to the Run mode, which is the measurement
reading of the distance from the transducer face to the
material level in the units indicated:
• If the default display differs from that shown, refer to
Operation Status on page 4 .
7ML19985GD61
'20' key
'4' key
The Probe – INSTRUCTION MANUAL
mA Output:
: 4-20mA non-isolated
into 750 ohms max at 24 Vdc
Power Supply
: 18 to 30 Vdc
Connect to protective earth
Relay: dry contact, closed
unpowered or alarm state, refer
to specifictions on page 19
program mode
alphanumeric
LOE / fault
operation status
units
Page 3