TEKTROL TEK-B ATCH 7900B, Инструкция по эксплуатации

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Instruction Manual
Tek-Batch 7900B
www.tek-trol.com
Technology Solutions
7
Input Impedance: 10 KΩ nominal
Pullup Resistance: 10 KΩ to 5 VDC (menu selectable) Pull Down
Resistance: 10 KΩ to common
Trigger Level: (menu selectable) High Level Input
Logic On: 3 to 30 VDC, Logic Off: 0 to 1 VDC Low Level Input (mag
pickup)
Sensitivity: 0 mV or 100 mV
Minimum Count Speed: Menu selectable
Maximum Count Speed: Menu Selectable: 40Hz, 3000Hz or 20 kHz
Over voltage Protection: 50 VDC
Auxiliary / Compensation
Input The auxiliary/compensation input is menu selectable for
temperature, density or not used. This input is used for the
compensated input when performing compensated flow
calculations. It can also be used as a general purpose input for
display and alarming.
Operation: Ratiometric
Accuracy: 0.02% FS at 20° C
Basic Measurement Resolution: 16 bit
Update Rate: 1 update/sec minimum
Automatic Fault detection: Signal Over-range/under-range, Current
Loop Broken, RTD short, RTD open, Fault mode to
user defined default settings
Fault Protection: Reverse Polarity: No ill effects, Over-Voltage Limit
(Voltage Input): 50VDC
Available Input Ranges: Voltage: 0-10VDC, 0-5VDC, 1-5VDC,
Current: 4-20mA, 0-20mA, Resistance: 100 Ohms DIN RTD
100 Ohm DIN RTD (DIN 43-760, BS 1904)
Three Wire Lead Compensation
Internal RTD linearization learns ice point resistance 1 mA
Excitation current with reverse polarity protection
Temperature Resolution: 0.01 °C, Temperature Accuracy: ± 0.25 °C
Control Inputs Switch Inputs are menu selectable for Start, Stop, Reset, Lock,
Inhibit, Alarm Acknowledge, Print or Not Used.
Number of Control Inputs: 3 Control Input Specifications
Input Scan Rate: 10 scans per second
Logic 1: 4 - 30VDC, Logic 0: 0 - 0.8VDC
Input Impedance: 100 KΩ
Control Activation: Positive Edge or Pos. Level based on product
definition for switch usage.
Excitation Voltage
Menu Selectable: 5, 12 or 24VDC @ 100mA (fault protected)
Relay Outputs The relay outputs are menu assignable to (Individually for each
relay) Low-Rate Alarm, Hi Rate Alarm, Prewarn Alarm,
Preset Alarm or General-purpose warning (security), low
temperature/high temperature.
Number of relays: 2