Related Manuals for YOKOGAWA MLD
Summary of Contents for YOKOGAWA MLD
- Page 1 User’s Model MLD Manual Loop Powered Process Indicator IM 61A01A01-01E-A IM 61A01A01-01E-A 4th Edition...
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Page 2: Standard Specifications
1. PREFACE The Model MLD field mounted indicator receives a DC current signal from electronic transmitters and indicates process measurement values. This instruction manual gives instructions on handling, mounting, and wiring of the MLD indicator. 2. MODEL CODE AND SPECIFICATIONS... -
Page 3: Installation
DIMENSIONS 3. INSTALLATION The Loop Powered Indicator can be mounted on a wall or a 2” pipe. The housing is a NEMA 4X Explosion Proof housing so it can be mounted outside in the field. Do not install the unit in the following conditions: •... - Page 4 Twisted pair shielded cable is recommended. The following is an example of the MLD Loop Indicator connected to an EJA Pressure Transmitter (Note: The EJA Transmitter below can be replaced with any 4-20mA 2 wire device.) The Loop Indicator is available in FM Explosion Proof and CSA Explosion Proof types for hazardous locations.
- Page 5 MOUNTING IN HAZARDOUS LOCATIONS IM 61A01A01-01E-A...
- Page 6 5. CALIBRATION Calibration of MLD Units (1) The MLD model ships with a calibration range of 0-100% unless ordered with the /ENG Engineering Units option. (2) If adjustments are needed the 2 screws holding the plate will need to be removed (3) Connect unit to a Current Standard (red to +, black to -).
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Page 7: Rotating Display Direction
6. ROTATING DISPLAY DIRECTION The loop indicator display is designed so that it can be rotated in 90 degree increments. This is accomplished by ordering the unit as a horizontal pipe mount or a vertical pipe mount. However there may be the need for the customer to change the angle of the display. The following are procedures for the display rotation: Display Rotation: (1) Remove power from the unit.