Yokogawa Data Acquisition with PID Control CX2000 - Manual (Page 363)

14-15
IM 04L31A01-01E
Specifications
14
Computation Function (/M1)
Can perform the following computations, display the trend or numerical values of the
computed data, and store computed data.
Number of computation channels: 30 channels
Computation types:
General arithmetic operations: Four arithmetic operations,
square root, absolute, common
logarithm, exponential, power,
relational operations (<, ≤ , >, ≥
, =, ≠), logical operations (AND,
OR, NOT, XOR)
Statistical computation: Average, maximum, minimum,
and sum of time series data
Rolling average: Performs rolling average on the
computed results
Constant: Set up to 30 constants
Digital input via communications: Can be used in equations other than statistical
computation.
Number of values: 30
Remote input: Use remote input status (0/1) equations
Number of inputs: 8
Control contact input: Use contact input status (0/1) equations
Number of inputs: 6 (DI001 to DI006), 6 (DI101 to DI106), 6
(DI201 to DI206), 12 (RI001 to RI012)
Report function: Report type: Hourly, daily, hourly + daily, daily + weekly,
daily + monthly
Computation type: Average, maximum, minimum, and sum
Data format:
ASCII format
3 terminal isolated RTD Input (/N2)
A, B, and b terminals of the RTD are of isolated input type (for measurement inputs).
24 VDC/AC power supply driven (/P1)
Rated supply voltage: 24 VDC/AC
Supply voltage range used: 21.6 to 26.4 VDC
Withstand voltage:
Between the power terminal and earth: 500 VAC
Power consumption:
Supply Voltage LCD Saver Mode Normal Max.
24 VDC Approx. 25 VA Approx. 26 VA 41 VA
24 VAC (50/60 Hz) Approx. 39 VA Approx. 40 VA 60 VA
24 VDC power supply for transmitter (/TPS4 option)
Output voltage: 22.8 to 25.2 VDC (under rated load current)
Rated output current: 4 to 20 mADC
Maximum output current: 25 mADC (overcurrent suppression operation current: approx.
68 mADC)
Allowable cable resistance:RL ≤ (17.8 – minimum operation voltage of transmitter)/0.02 A)
(load shut resistor 250 Ω and not including the drop voltage)
Maximum length of cable: 2 km (when using the CEV cable)
Insulation resistance:
Between output and earth: 20 MΩ (500 VDC)
Withstand voltage: Between output and earth: 500 VAC (50/60 Hz, i = 10mA) for
one minute
Between output terminals: 500 VAC (50/60 Hz, I = 10mA) for one minute
14.7 Options