Laurel Electronics LTM CTR SERIES PULSE, AC or PROCESS TOTALIZER INPUT, SERIAL DATA OUTPUT - Manual (Page 38)

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19. “CTR” 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 ................. 95-240 Vac ±10% or 90-300 Vdc (DC range is not UL certified)
.................................................................... 12-30 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 (RS232 or RS485) & Excitation Level ............ Jumpers on main board
Programming................ Via RS-232 from PC using Instrument Setup software and CBL04 cable
Analog Output
Output Levels................0-20 mA, 4-20 mA or 0-10V. Voltage or current selectable at connector.
Compliance at 20 mA..................................................................................10V (0-500 ohm load)
Compliance at 10V......................................................................... 2 mA (5 kohm minimum load)
Output Resolution.......................................................................................16 bits (65,536 steps)
Output Accuracy ............................ ±0.05% of full span for DC inputs, ±0.1% for AC RMS inputs
Output Update Rate .............................................. 60/sec at 60 Hz power, 50/sec at 50 Hz power
Output Filtering .........................................................................................Digitally programmable
Serial I/O (standard)
Serial Formats....................... RS232 or half-duplex RS485 (jumper selectable, default is RS232)
Protocol ...................................................................................................................Custom ASCII
Comm. Connector........................................ Detachable 3-position plug for TX, RX, Comm. GND
Transducer Excitation Output (standard)
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