Impulse SCM9B-5000 Series Manual do Utilizador descarregar pdf (Página 2)

Isolated Intelligent Signal Conditioning Products

SCM9B

For information call 800-444-7644

106

Specifications

Typical at 25°C and nominal power supply unless otherwise noted

Specifications are subject to change without notice.

Analog

 Four channel analog input.

 Maximum CMV, input to output at 60Hz: 500Vrms.

 Leakage I, input to output at 115Vrms, 60Hz: <2µArms.

 15 bit measurement resolution.

 8 conversions per second.

 Common mode rejection: 100dB at 50/60Hz.

 Autozero & autocalibrationno adjustment pots.

Digital

 8-bit CMOS microcomputer.

 Digital scaling, linearization and calibration.

 Nonvolatile memory eliminates pots and switches.

 Small and large signal digital filtering with user selectable time constants.

Communications

 Communications in ASCII via RS-232C, RS-485 ports.

 Selectable baud rates: 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600,

115200.

 NRZ asynchronous data format; 1 start bit, 7 data bits, 1 parity bit and 1 stop bit.

 Parity: odd, even, none.

 User selectable channel address.

 ASCII format command/response protocol.

 Up to 3721 multidrop modules per host serial port.

 Communications distance up to 4,000 feet (RS-485).

 Transient suppression on RS-485 communications lines.

 Communications error checking via checksum.

 Scan up to 250 channels per second.

 All communications setups stored in EEPROM.

Power

 Requirements: Unregulated +10V to +30VDC, 0.75W max.

 Protected against power supply reversals.

Environmental

 Temperature Range: Operating -25°C to +70°C.

Storage -25°C to +85°C.

 Relative Humidity: 0 to 95% noncondensing.

Mechanical

 Dimensions: See Dimension drawing.

 Case: ABS with captive mounting hardware.

 Connectors: Screw terminal barrier plug (supplied).

Replace with Phoenix MSTB 1.5/10ST 5.08 or equivalent.

5100 Voltage Inputs

 Voltages: ±100mV, ±1V, ±5V, ±10V, ±100VDC.

 Resolution: 0.01% of FS (4 digits).

 Accuracy: ±0.02% of FS max.

 Zero drift: ±1 count max (autozero).

 Span tempco: ±50ppm/°C max.

 Input burnout protection to 250VAC.

 Input impedance: ≤ ±1V input = 100MΩ min.

≥ ±5V input = 1MΩ min.

5200 Current Input

 Current: 4-20mADC.

 Resolution: 0.04% of FS.

 Accuracy: 0.04% of FS.

 Zero drift: ±1 count max (autozero).

 Span tempco: ±50ppm/°C max.

 Voltage drop: 1.0V max.

5300 Thermocouple Inputs

 Thermocouple types: J, K, T, E (factory set).

 Ranges: J = -200°C to +760°C T = -200°C to +400°C

K = -150°C to +1250°C E = -100°C to +1000°C

 Resolution: ±1°.

 Overall Accuracy (error from all sources) from 0 to +40°C

ambient: ±1.0°C.

 Input impedance: 100MΩ min.

 Lead resistance effect: <20µV per 350Ω.

 Open thermocouple and overrange indication.

 Input burnout protection to 250VAC.

 User selectable °C or °F.

 Automatic cold junction compensation and linearization.

5450 Thermistor Inputs

 Thermistor types: 2252Ω at 25°C.

 Range: -0°C to +100°C.

 Resolution: 0.01°C or F.

 Accuracy: ±0.1°C.

 Input protection to 30VDC.

 User selectable °C or °F.

Model Description

Voltage Input

SCM9B-5111 ±100mV Input/RS-232C Output

SCM9B-5112 ±100mV Input/RS-485 Output

SCM9B-5121 ±1V Input/RS-232C Output

SCM9B-5122 ±1V Input/RS-485 Output

SCM9B-5131 ±5V Input/RS-232C Output

SCM9B-5132 ±5V Input/RS-485 Output

SCM9B-5141 ±10V Input/RS-232C Output

SCM9B-5142 ±10V Input/RS-485 Output

SCM9B-5151 ±100V Input/RS-232C Output

SCM9B-5152 ±100V Input/RS-485 Output

Model Description

SCM9B-5251 4-20mA Input/RS-232C Output

SCM9B-5252 4-20mA Input/RS-485 Output

Current Inputs

Model Description

Thermocouple Inputs

SCM9B-5311 J Thermocouple Input/RS-232C Output

SCM9B-5312 J Thermocouple Input/RS-485 Output

SCM9B-5321 K Thermocouple Input/RS-232C Output

SCM9B-5322 K Thermocouple Input/RS-485 Output

SCM9B-5331 T Thermocouple Input/RS-232C Output

SCM9B-5332 T Thermocouple Input/RS-485 Output

SCM9B-5341 E Thermocouple Input/RS-232C Output

SCM9B-5342 E Thermocouple Input/RS-485 Output

Model Description

Thermistor Inputs

SCM9B-5451 2252Ω Thermistor Input/RS-232C Output

SCM9B-5452 2252Ω Thermistor Input/RS-485 Output

Ordering Information

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