5450 NW 33rd Ave, Suite 104 Fort Lauderdale, FL 33309 3211 Fruitland Ave Los Angeles, CA 90058 MTH-103E Tachometer/Hourmeter/Trip Installation and Operation Manual Rev.
IMPORTANT - PLEASE READ BEFORE PROCEEDING! The Dynalco model MTH103E is designed for reliable and rugged operation on engines, turbines and other rotating equipment. This product has been designed and tested to meet the demands required in many industrial and hazardous locations meeting critical CSA standards. The performance is directly related to the quality of the installation and knowledge of the user in operating and maintaining the instrument.
System Overview This manual contains a general product description of the MTH-103E Microprocessor-Based Tachometer/Hourmeter/Trip. It also supplies information about the MTH-103E features, functional design, specifications, and configuration. Basic operation The MTH-103E is a microprocessor-based 5-digit tachometer, hourmeter, and trip. The trip can be programmed to activate on overspeed, underspeed (Class C), or hours. The unit may be magnetic pickup or DC powered.
Installation: The MTH-103E is designed to be panel mounted. The dimensions are shown below. The MTH-103E includes a bracket for securing into the panel.
Terminal Connections All connections are made to terminals on the back of the unit. Terminal screws to be tightened to 8 inch-pounds torque. See pages 9 &10 for complete wiring information.
All programming is accomplished through the front keypad. Below is a brief description of each key.
Programming Instructions Important: The MTH-103E must first be programmed prior to operation. When initially powering up the unit, the display will first indicate the firmware version and then go to the operational mode. To configure each input, first go to the main programming screen by pressing the Menu / Escape key: Note: If a screen is displayed showing a keypad, this indicates that a security code has been enabled.
Pressing at any time during configuration will prompt you to save the changes. Select “Yes” to save any changes made. Selecting “No” will not save changes. Configuration of “Hourmeter Settings” Using the arrows on the keypad, select the “Hourmeter Settings” icon. The first screen will allow you to configure the hourmeter to either count up or count down by pressing the up / down arrows to select, then pressing the right arrow to navigate to the next screen.
Operation Apply power from either: a. A signal frequency generator or a magnetic pickup (minimum 4.0 VRMS; maximum 15 VRMS) connected to terminals (A) and (B) (no polarity). Or… b. 9 – 30 VDC power source connected to terminals (1)(+) and (4)(–). (minimum 1.5V RMS pickup input signal required). The software revision number will display for one second when power is initially applied. Alarm / Shutdown Output The MTH-103E will alarm or shutdown when the RPM is above or below limits as specified.
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