Impulse SCM9B-5000 Series - Manual (Page 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 = 100M Ω min.
≥ ±5V input = 1M Ω 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: 100M Ω min.
• Lead resistance effect: <20µV per 350 Ω .
• 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: 2252
Ω 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 2252 Ω Thermistor Input/RS-232C Output
SCM9B-5452 2252 Ω Thermistor Input/RS-485 Output
Ordering Information