
Installation Instructions for MurphyLinkTMRevised
Section 78
Analog Gages Series: MLA20 and MLA35
Please read the following information before installing. A visual inspection of this product for damage during ship- ping is recommended before mounting. It is your responsibility to have a qualified person install this unit.
GENERAL INFORMATION
WARNING
BEFORE BEGINNING INSTALLATION OF THIS MURPHY PRODUCT
✔Disconnect all electrical power to the machine.
✔Make sure the machine cannot operate during installation.
✔Follow all safety warnings of the machine manufacturer.
✔Read and follow all installation instructions.
Description
The MurphyLinkTM gages are a series of instruments designed to display the information transmitted by the Murphy Display and Diagnostic Module (MDDM) in a traditional analog format. Communication from the MDDM to these units is via an RS485 twisted pair proprietary serial link. These MurphyLinkTM components are environmentally sealed, LED back lit (green) and are available in a standard 2 in. (51 mm) diameter, plastic case. The MLA35 Series models feature a
Specifications
Power Supply:
Input Voltage: 12V
Operating Current: (@ 14 VDC) = MLA20: 27 mA min.; 50 mA max. MLA35: 43 mA min.; 48 mA max.
Backlight:
Voltage: 12 to 14 VDC (See NOTE below).
Maximum Current: 30 mA.
NOTE: MLVC2412 Regulator required for 24 VDC Systems.
Input: RS485 data (MurphyLinkTM proprietary protocol).
Output: Analog Readout.
Operating Temperature:
Storage Temperature:
Dial: White numerals over black background:
MLA20: 90° sweep; MLA35: 250° sweep.
Gage Accuracy: MLA20: Better than ±1.5% of scale.
MLA35: Better than ±2% of scale.
Enclosure: Environmentally Sealed.
Material:
Case and Clamp: Polyester (PBT).
Lens: Polycarbonate.
Bezel: Stainless Steel (Black optional).
MLA20 SeriesMLA35 Series
Basic 2 in. (51 mm) case models
Engine Oil Pressure | |
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Coolant Temperature | |
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Voltmeter 12 VDC | |
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Voltmeter 24 VDC | |
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Percent Load @ Current Speed | |
Gear Oil Pressure | |
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Gear Oil Temperature |
Basic 3-3/8 in. (86 mm) case models
Tachometer | |
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Speedometer | |
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NOTE: All basic models listed above are available with Amp mini universal (standard), Deutsch or
CAUTION: These instruments are designed to be used ONLY with the MurphyLinkTM Display and Diagnostic module (MDDM) or other approved MurphyLinkTM products.
Warranty
A limited warranty on materials and workmanship is given with this FWMurphy product. A copy of the warranty may be viewed or printed by going to www.fwmurphy.com/warranty.asp.
In order to consistently bring you the highest quality, full featured products, we reserve the right to change our specifications and designs at any time.
Installation