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DMS-20PC-4 Datasheet(PDF) 1 Page - Murata Power Solutions Inc. |
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DMS-20PC-4 Datasheet(HTML) 1 Page - Murata Power Solutions Inc. |
1 / 6 page DMS-20PC-4/20 Series Subminiature 4-20mA Loop-Powered 3½ Digit LED Process Monitors MPM_DMS20pc-420.C02 Page 1 of 6 For full details go to www.murata-ps.com/rohs www.murata-ps.com Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000 The DMS-20PC-4/20 Series are the world's first loop-powered digital panel meters with a large, easy-to-read, bright red, LED display. All operating power is derived directly from the loop current itself — no external power supply is required! The large, 0.37"/9.4mm digits exhibit uniform intensity over the entire 4-20mA operating range. Additionally, the total maximum loop voltage drop is only 5V! Users no longer have to settle for difficult-to-read LCD displays in loop-powered applications. Both gain (span) and offset (zero) adjustments are performed with on-board, precision, 20-turn potentiometers. All decimal-point and range-change selections are made on a six- position DIP switch featuring vibration-resistant, gold-plated contacts. Unlike competitive meters, there are no jumpers or solder gaps to open or close. Connections to the current loop are made via a reliable, two-position, screw-type terminal block. The DMS-20PC-4/20's DIP switch and adjustment potentiometers accommodate hundreds of different input-current/output-reading combinations. This versatility practically eliminates the need to order more costly, long-lead-time, factory-customized "specials" in applications in which several different-range meters are required. An optional bezel assem- bly, featuring screw fasteners and a rubber seal, simplifies panel mounting and provides excellent resistance to environmental dust and moisture. All these outstanding features combine to make the DMS-20PC-4/20 Series the perfect meters for prototype and OEM 4-20mA current-loop instrumentation. FEATURES Industry's first loop-powered meter with a large, easy-to-read, LED display! Self-powered, no external supply required Unipolar, Bipolar and Positive Reading Models Large, 0.37"/9.4mm digits Excellent display intensity High-quality, 20-turn, span (gain) and zero (offset) adjustments DIP-switch selectable range and decimal points Hundreds of input/readout combinations Vibration-resistant package; Reliable screw-terminal input connections SIMPLIFIED SCHEMATIC DIAGRAM DATA 3½ DIGIT A/D CONVERTER DC/DC CONVERTER BAND-GAP REFERENCE CIRCUIT DIP SWITCHES ZERO ADJUST GAIN ADJUST 12 3 CURRENT TO VOLTAGE CONVERTER +5V –5V DP3 DP2 DP1 R3 R7 +– TB1 LOOP INPUT 5 6 1 1 1 2 2 2 34 56 3 3 4 4 5 6 ON ON ON – + |
Similar Part No. - DMS-20PC-4 |
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Similar Description - DMS-20PC-4 |
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