Laurel-electronics LTM DPM SERIES ANALOG INPUT, SERIAL DATA OUTPUT Manuel d'utilisateur télécharger pdf (Page 36)

- 36 -

21. SERIAL OUTPUT “DPM” SERIES TRANSMITTER SPECIFICATIONS

Mechanical

Case dimensions..........................................................................................120 x 101 x 22.5 mm

Case mounting................................................................................35 mm DIN rail per EN 50022

Electrical connections ..............................................................Detachable screw plug connectors

Environmental

Operating temperature................................................................................................0°C to 55°C

Storage temperature ................................................................................................-40°C to 85°C

Relative humidity ........................................................... 95% from 0°C to 40°C, non-condensing

Power & Electrical

Power to Transmitter ............................85-264 Vac or 90-300 Vdc (DC range is not UL certified)

.................................................................... 12-32 Vac or 10-48 Vdc (low voltage power option)

Power Isolation.................. 250 Vrms between power, analog output, signal input, and serial I/O

Transmitter Setup

Selection of signal ranges & temperature sensors ..............Jumpers on signal conditioner board

Selection of serial format, excitation output, analog output.....................Jumpers on main board

Programming........................................ Via PC using Instrument Setup software and serial cable

Analog to Digital Conversion)

Conversion rate..................................................... 60/sec at 60 Hz power, 50/sec at 50 Hz power

Input resolution ..........................................................................................16 bits (65,536 steps)

Analog Output (standard)

Output Levels.................................................................................... 4-20 mA, 0-20 mA or 0-10V

Compliance at 20 mA..............................................................................10V (0 to 500 ohm load)

Compliance at 10V..........................................................................2 mA (5 kohm load or higher)

Output resolution........................................................................................16 bits (65,536 steps)

Output accuracy.............................±0.02% of full span for DC inputs, ±0.1% for AC RMS inputs

Serial I/O (standard)

Serial formats .................................................... RS232 or RS485 (half or full duplex), selectable

Serial protocol ...................... Custom ASCII or Modbus (RTU or ASCII) for programming via PC

Serial connector......................................................................... Detachable screw terminal plugs

Transducer Excitation Output (standard for DC, process, strain, load cell inputs)

Output Isolation ....................................................................................... 50 Vdc to meter ground

Selectable levels ................... 5 Vdc ± 5%, 100 mA; 10 Vdc ± 5%, 120 mA; 24 Vdc ± 5%, 50 mA

Dual Relay Output (standard)

Relay type ...................................................Two solid state relays, SPST, normally open, Form A

Load rating ................................................................................... 130 mA at 140 Vac or 180 Vdc

1 2 ... 31 32 33 34 35 36 37 38 39 40

Pas de commentaire

Laurel-electronics LTM DPM SERIES ANALOG INPUT, SERIAL DATA OUTPUT Manuel d'utilisateur Page 36