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DMS-30LCDA-4 Datasheet(PDF) 5 Page - Murata Power Solutions Inc. |
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DMS-30LCDA-4 Datasheet(HTML) 5 Page - Murata Power Solutions Inc. |
5 / 6 page DMS-30LCDA-4/20I (Inverse Reading) The DMS-30LCDA-4/20I is designed to accommodate applications where an increasing loop current produces a decreasing display reading. That is, as the loop current is increased from 4mA to 20mA, the display will read a user determined full-scale positive number at 4mA and then decrease to “000” at 20mA. The ‘4/20I’ model is essentially a ‘-4/20S’ model operating in reverse. Table 5 and the two examples that follow describe the operation of this model in greater detail. The first step when configuring the DMS-30LCDA-4/20I for the first time, or when changing to a different range, is to set both R3 and R7 to their full clockwise positions, roughly 22 turns. Next, using the desired display read- ings, select the appropriate DIP-switch setting number from Table 5. Examples (DMS-30LCDA-4/20I, Inverse Reading) 1. Desired display readings are: 4mA = “6.00” 20mA = “0.00” Use DIP-switch setting #3 in Table 5 and enable decimal point DP2 via SW7. Apply 20mA and adjust R3 so the display reads “0.00”. Apply 4mA and adjust R7 so the display reads “6.00”. 2. Desired display readings are: 4mA = “800” 20mA = “000” Use DIP-switch setting #2 in Table 5. Apply 20mA and adjust R3 so the display reads “000”. Apply 4mA and adjust R7 so the display reads “800”. For these display readings, no decimal points are used. Set SW6, SW7 and SW8 to OFF. Table 5. DMS-30LCDA-4/20I (Inverse Reading) DIP Switch Settings Desired Display Reading 4mA 20mA SW1 SW2 SW3 SW4 SW5 1. 1999 to 1300 000 Off Off Off Off NA 2. 1300 to 850 000 On Off Off Off NA 3. 850 to 550 000 Off On Off Off NA 4. 550 to 350 000 Off Off On Off NA 5. 350 to 200 000 On On On Off NA 6. 200 to 130 000 On On On On NA Table 6. Decimal Point Selections (All Models) To turn on a decimal point, place its respective DIP switch to the fully ON position. SW6 SW7 SW8 DP1 DP2 DP3 5 6 7 8 1 2 3 4 ON 5 6 7 8 1 2 3 4 ON MECHANICAL DIMENSIONS: Inches (mm) TOLERANCES: 2 PL DEC ±0.02 (±0.51) 3 PL DEC ±0.010 (±0.254) WIRE SIZE: 18 to 26 AWG (Solid or stranded) STRIPPING LENGTH: 0.20" (5.08mm) MECHANICAL SPECIFICATIONS � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � DIP Switches Gain Adjust Zero Adjust + – Loop Input DP2 (SW7) DP3 (SW8) DP1 (SW6) Back View Front View 1 R3 Zero Adjust R7 Gain Adjust 5 6 7 8 1 2 3 4 ON + – TB1 DMS-30LCDA-4/20 Series Loop-Powered, 1.8V Drop, 4-20mA Process Monitors with Full-Size LCD Displays MPM_DMS30-LCDA.B02 Page 5 of 6 Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000 www.murata-ps.com |
Similar Part No. - DMS-30LCDA-4 |
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Similar Description - DMS-30LCDA-4 |
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