22. SPECIFICATIONS

1 Input Specifications

Number of measuring points: 1, 2, 3 and 4 points

Input signals: DC voltage (mV) …±13.8, ±27.6, ±69.0, ±200

±500

DC voltage (V)…±2, ±5, ±10, ±20, ±50 (Built- in voltage divider for ±5 V or more)

DC current…Available by adding shunt resistor (option)

Thermocouple…B, R, S, K, E, J, T, N, NiMo-Ni, CR-AuFe, PtRh40-PtRh20

WRe5-WRe26, W-WRe26, Platinel II, U, L

Resistance thermometer…Pt100 (1),

Pt100 (2), JPt100, Pt50, Pt-Co Range: Program range number and printing range for each channel with key operation. (See Section 8.2 for

range No. list)

Scale: Program minimum and maximum values with key operation.

Programming range…-9999 to 99999 Decimal point … Program arbitrary

Measuring range: Refer to the list of range No. in Section 8-2.

Minimum printing range: Refer to the following table

 

DC

 

1/5 or higher than the measuring range.

 

voltage

 

 

 

 

 

 

 

 

 

2/5 or higher than the measuring range when

 

Thermo-

 

converted into electromotive force.

 

 

(In the case of range Nos. with minus

 

couple

 

measuring ranges, a temperature of 0°C or

 

 

 

higher is specified as the lower-limit

 

 

 

measuring value.)

 

 

Resistance

 

Pt100

100°C span or more

 

thermometer

 

Pt50

200°C span or more

 

Accuracy rating: Refer to item

6

(at reference operating

 

 

 

condition).

 

 

Temperature

drift: ±0.01% full

scale/°C (converted into

reference range)

Measuring cycle: About 100 msec (CH1 to CH4 )

Reference junction compensation: Inside (enable) or external (disable) is selectable.

Reference junction compensation accuracy:

K, E, J, T, N and Platinel II…±0.5°C or less Other than the above*… ±0.1°C or less *Except PtRh40-PtRh20

Input resolution: Approx. 1/56000 (converted into reference range)

Burnout: Effective input… Thermocouple, resistance thermometer

Programming range …Selection from up-scale, down-scale or disable for each channel

Allowable signal source resistance:

DC voltage inputs, thermocouple inputs

…1kor less*

Resistance thermometer inputs

10or less

* Without burnout

Input resistance: Thermocouple input …About 8MDC voltage inputs (range of ±2 V or less)

…About 8M

DC voltage inputs (range of ±5 V or less) …About 1M

Maximum input voltage

DC voltage

±10 V DC or less (range of ±2 V or less)

inputs,

±60 V DC or less (range of ±5 V or less)

thermocouple

 

Resistance

±6 V DC or less

thermometer

 

Input correction: Shift programming for each channel

Input filter: Program primary delay filter

1 to 10 sec. and “0” (none) for each channel. Maximum common mode voltage: 30VAC

Common mode rejection ratio: 140 dB or more (50/60 Hz)

Series mode rejection ratio: 50 dB or more (50/60 Hz)

Terminal board: Detachable and removable for wiring

2 Printing

Printing accuracy: Measuring accuracy + ±.0.3% of printing range (under the reference operation condition)

Printing dead and: 0.2% of printing range

Printing system:

Trace printing… Disposable cartridge pen Digital data printing …. Plotter pen

Step response: RD200 … 1 sec. or less (90% response) RD2800 … 1.5 sec. or less (90% response)

Print color: Trace printing ….1st pen (Red), 2nd pen (Green),

3rd pen (Blue), 4th pen (Brown) Digital data printing … Purple

<<Digital printing>>

cPeriodic

: Printing of time, channel No., measured

data printing

values and engineering unit with

 

programmed interval

dDigital data

: Printing of time, channel No., measured

printing

values and engineering unit with trace

eYear, Month,

printing on demand

: Printing of year, month, day and time when

day, time, time

turning on the power. Printing time line and

line

time every on the hour. Printing year, moth

 

and day at 00:00 and every specific interval

fChannel No.,

: Printing of scale, channel No. and tag (only if

scale, tag

they are programmed) with every specific

 

interval

gChart speed

: Printing of chart speed with every specific

 

interval

hAlarm

: Printing of time, channel No., alarm type and

Activation/

alarm level when an alarm activates. Printing

Reset

time, channel No. and alarm level when the

 

alarm is reset. Memory volume is max. 48

 

data

iProgramming

: Marking when changed parameters are

change mark

stored

jPOC mark

: Marking when time-axis synchronization is

 

programmed

kList printing

: Printing of parameters (list 1 or 2) on demand

 

List 1: Chart speed, range/printing range,

 

scale, subtract printing, periodic data

 

printing, printing format and alarm

 

List 2: Chart speed (3 speeds), alarm output,

 

time-axis synchronization, remote

 

contacts and math expression

 

List 3: All parameters (List 1 + List 2)

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Image 130
Omega RD200, RD2800 manual Input Specifications, Printing