Yokogawa Data Acquisition with PID Control CX2000 User Manual

Page 363

14-15

IM 04L31A01-01E

Specifications

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