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Summary of Contents for ero electronic LFS - R
- Page 1 170.ADD.LFS.RB0 0,8.011-98/B LFS - R ADDENDUM FOR REAR-OF-BOARD VERSION...
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Page 2: Table Of Contents
INDEX ASSEMBLING ............. 1 Warning ............1 General assembling information ....1 Wall mounting ..........1 Omega din rail mounting ......2 MECHANICAL DIMENSIONS ......3 CONNECTION DIAGRAMS ........ 4 Measuring inputs ......... 4 Outputs ............7 Serial interface ..........9 Power line wiring ........ -
Page 3: Assembling
ASSEMBLING GENERAL ASSEMBLING INFORMATION Select a cleaned location, easy to reach, where minimum vibrations are present and the ambient WARNING: temperature is within 0 and 50 °C (32 and 122 °F). 1) The correct functionality of these instruments These instruments can be mounted either on wall is guaranteed only if transport, storage, or on OMEGA DIN rail. -
Page 4: Omega Din Rail Mounting
OMEGA DIN RAIL MOUNTING For rail mounting use an OMEGA DIN rail in accordance with EN 50 022 (35 x7.5 mm or 35 x 15 mm) regulations. Screwdriver Fig. 2 MOUNTING Fig. 3 REMOVING... -
Page 5: Mechanical Dimensions
MECHANICAL DIMENSIONS Fig. 4 MECHANICAL DIMENSIONS... -
Page 6: Connection Diagrams
CONNECTION DIAGRAMS MEASURING INPUTS NOTES: 1) Any external components (like zener barriers Connections have to be executed when the etc.) connected between sensor and input instrument is placed in its proper location. terminals may cause measurement errors due to excessive and/or not balanced line resistance or possible leakage currents. - Page 7 TC type J, K, L, N and T RTD INPUT Shield Shield Fig. 7 RTD INPUT WIRING NOTE: Fig. 6.B INPUT WIRING FOR TC TYPE J, K, L, 1) Don’t run input wires together with power N AND T cables. 2) Pay attention to the line resistance;...
- Page 8 LINEAR INPUT LOGIC INPUT NOTES: 1) Do not run logic input wiring together with power cables. 2) Use an external dry contact capable of switching 0.5 mA, 5 V DC. 3) The instrument needs 100 ms to recognize a Shield contact status variation.
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Page 9: Outputs
CURRENT TRANSFORMER INPUT OUTPUTS (For LFS-relay only) LINEAR OUTPUT (For LFS-mA only) Safety note: 1) Do not run current transformer input wiring This instrument is equipped with one linear output together with AC power cables. (OUT 1) programmable as: 2) This feature excludes the logic input function. - main output (heating or cooling) 3) The input impedance is equal to 10 Ω. - Page 10 RELAY OUTPUTS INDUCTIVE LOADS High voltage transients may occur switching OUT 1 inductive loads. (for LFS-relay Through the internal contacts these transients only) may introduce disturbances which can affect the instrument performances . For all outputs, the internal protection (varistor) assures a correct protection up to 0.5 A of inductive component.
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Page 11: Serial Interface
VOLTAGE OUTPUTS FOR SSR DRIVE SERIAL INTERFACE (For LFS-relay only) RS-485 interface allows to connect up to 30 devices with one remote master unit. A/A' A'/A OUT 1 B/B' B'/B SOLID STATE RELAY COMMON Fig. 14 SSR DRIVE OUTPUT WIRING It is a time proportioning output. -
Page 12: Power Line Wiring
POWER LINE WIRING equipment and within easy reach of the operator; - it shall be marked as the disconnecting device for the equipment. N (L2) NOTE: a single switch or circuit-breaker can drive more than one instrument. POWER LINE 100 V to 240 V A.C 9) When neutral line is present, connect it to (50/60Hz) terminal 9... - Page 13 ERO Electronic Nederland Ganieelan 4 U.S.A. BRASIL AMERICAN ERO Electronic Corp 2404 CH Alphen a/d Rijn ERO ELECTRONIC DO BRASIL Industria BARRINGTON, ILL. 60010 Tel. 0172-420400 e Comercio Ltda. Fax. 0172-420395 Tel. 0847-382-0881 Rua Garibaldi, 659 - Conj. 202 Fax 0847-382-0240 sales@eroelectronic.nl...
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