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4 4 A
B U L L E T I N
I N S T A L L A T I O N & O P E R A T I O N
SE Silo Monitoring Unit (SMU)
SiloPatrol
®
SMU
Thank you for purchasing a quality product manufactured by Monitor
Technologies LLC. We realize that you do have a choice of vendors
when procuring level measurement equipment and we sincerely appre-
ciate your business!
This manual contains the information necessary to ensure a safe and
successful installation. Please read and comply with the section on page
14 of this manual pertaining to SAFETY. Doing so will ensure proper
operation of the equipment and the safety of all personnel.
Before discarding the shipping container, please inspect it thoroughly
and verify that all parts ordered are accounted for. Observe the specifi-
cation label on the SMU cover. Verify the voltage, output type, cable
type, cable length, flange style, and location approval (ordinary or haz-
ardous). All SMUs are shipped with a standard plumb bob to ease instal-
lation. If an alternate plumb bob is ordered, it will be packed separately.
See Mechanical Installation section for method to change plumb bob.
In the event that information contained herein does not completely sat-
isfy your requirements or answer your questions, you may contact
Technical Support on our website www.monitortech.com, by telephone
at 800-766-6486 (630-365-9403), or by fax at 630-365-5646. If your
SMU ever requires service either in or out of warranty, please contact us
and obtain an RMA number prior to shipping the unit to us.
®
www.monitortech.com
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Related Manuals for Monitor SiloPatrol Se
Summary of Contents for Monitor SiloPatrol Se
- Page 1 SE Silo Monitoring Unit (SMU) SiloPatrol ® Thank you for purchasing a quality product manufactured by Monitor Technologies LLC. We realize that you do have a choice of vendors when procuring level measurement equipment and we sincerely appre- ciate your business! This manual contains the information necessary to ensure a safe and successful installation.
- Page 2 Build an adapter or consider use of a 5 degree or 10 During the ascent of the bob, the SMU measures the degree flange which can be supplied by Monitor. If the angle amount of cable gathered and controls the speed of of the roof is unknown, use Figure 1 to approximate.
- Page 3 Pre-Installation Considerations. ardous location SMU, observe all regulations applicable to 2) Preparation - If using Monitor's K-style flange (flat, 5 degree local codes. Do not remove side covers with power or 10 degree pitch), cut a 5-1/2 inch (133 mm) diameter cen- attached in the presence of an hazardous atmosphere.
- Page 4 SMU RS-485 Model (See Figure 5) 3) Lock Out - The "lockout" input can prohibit the SMU from 1) Power Input - The SMU is designed to accept either 115VAC or making a measurement cycle (i.e. protection against taking 230VAC (factory set). Verify the intended voltage supply is com- measurement during a filling cycle).
- Page 5 SMU Pulse/Retro Model (See Figure 6 and 7) 4) Count - The "Count" outputs (Low-Volt Count and Hi-Volt 1) Power Input - The SMU is designed to accept either 115VAC Count) are isolated solid-state switches. Each output or 230VAC (factory set). Verify the intended voltage supply is closes/opens for every 0.1 ft/0.1 m (as selected by the reso- compatible with the voltage configuration indicated on the lution switch on the SMU) that the plumb bob travels toward...
- Page 6 Figure 7 SMU Analog(4-20mA) Model (See Figure 8) 4) 4-20mA - The "4-20mA" output is an isolated, self-powered 1) Power Input - The SMU is designed to accept either 115VAC current loop. The term "self-powered" refers to the ability of or 230VAC (factory set).
- Page 7 Figure 8 switches "off". Improper setup of the termination switches S E T U P rarely results in network failure, but the system will not be as robust as it could be. Occasional communication problems SMU RS-485 Model (See Figure 9) could arise.
- Page 8 SMU Pulse/Retro Model (See Figure 10) 1) Resolution Selection Switch - The resolution of the pulse output can be selected with this switch. That is, each pulse transmitted from the SMU will represent how much cable has been dispensed during the measurement. Select either the 0.1 ft or 0.1 (dm) position.
- Page 9 SMU ANALOG (4-20mA) PROGRAMMING PARAMETERS Parameter Input Range (Selections) Default Description Indicates the Standard Operating Mode which displays the last measurement cycle. Val 4mA 1.00 to 150.00 ft 1.00Ft Defines distance from start/socket position (0.25 ft increment) that represents the 4mA signal. Val 20mA 1.00 to 150.00 ft 150.00Ft...
- Page 10 O P E R A T I O N Operation of SMU Pulse/Retro Output 1) Ensure the SMU is setup to output 0.1 ft or 0.1 m pulses as General Operational Guidelines - All versions selected by the resolution switch. 1) Operation duty cycle - Although the SMU has passed tests 2) Initiate an SMU measurement with a contact closure on the that have accumulated over 150,000 operations, it is recom-...
- Page 11 Preventive Maintenance Wiper Seal Replacement (See Figure 13) 1. Create cable stack: Press the “Down” motor control switch The SMU design is virtually maintenance free. Applications with airborne dust within the vessel should be setup on a periodic so plumb bob is not socketed and until there is enough cable maintenance schedule to insure optimum performance.
- Page 12 T R O U B L E S H O O T I N G M E C H A N I C A L S PROBLEM: The SMU will not make a measurement ADV M00 CAUSE/SOLUTION: 3.50 x 4 MOTOR ASSY 1.
- Page 13 M E C H N I C L S DIMENSIONS ARE SHOWN IN INCHES WITH MILLIMETER EQUIVALENT IN BRACKETS 201.6 260.3 7.94 10.25 Standard K-Flange 5˚ K-Flange 611.1 (6-3105) (6-3125) 24.06 (2) 3/4" NPT (8) 5/16 (2) 1/4 CONDUIT S.H.C.S. B.H.C.S.
- Page 14 LLC under this warranty is limited to repair or replacement at its factory. This war- IEC 1000-4-5 Electrical surges (industrial) ranty does not apply to any product which is repaired or altered outside of Monitor IEC 1000-4-6 RF conducted EM energy (industrial) Technologies’...
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