Analog Sensor Controller

RD series

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Model

RD-50E

RD-50R

Measurement function

DC voltage measurement, DC current measurement

A/D converting system

Successive comparison

Measurement range

±5 VDC, ±10 VDC, 4 to 20 mA DC (selectable)

Display range

-19,999 to +39,999

Measurement accuracy

±0.03% of F.S. (at ±5 VDC range), ±0.03% of F.S. (at ±10 VDC range)
±0.05% of F.S. (at 4 to 20 mA DC range)

Input

Impedance

1 MΩ (for voltage input), 350 Ω (for current input)

System

Single-ended

Number of inputs

2

Sampling rate

2000 times/second

Display speed

20 times/second

Display power

7-segment 3-color LED (character height: 15.24 mm 0.60")

Over-range alarm

FFFF is displayed

Control input

Synchronous, Hold-reset, Auto-zero, External setting,
NPN or non-voltage contact signal

Control input

Timing input

Hold reset input

Auto-zero input

External setting input

Control output

Setting method

4 steps x 8 programmable setups (selectable)*1

Signal

5 x NPN (HH, HI, GO, LO, LL): 100 mA max. (40 V max.)*1

Response time

1 ms (when average number 1)*1

OFF-delay time

60 ms (ON/OFF selectable)*1

Analog output voltage

Output voltage

±10 VDC

Impedance

100 Ω

Response time

1 ms (when average number 1) *2

Interface

Control input by NPN open-collector ornon-voltage contact signal

Data output and control input through RS-232C

Major functions

MDL, digital filter, auto-zero, offset, input, data processing (10 modes),
tolerance limit storage (up to 8 sets), decimal point shift, error message display, etc.

Rating

Power voltage

24 VDC ±10%

Current consumption.

270 mA max.

Environmental resistance

Operating temperature range

0 to 50°C 32 to 122°F

Operating ambient humidity

35 to 85% RH (No condensation)

Vibration

10 to 55 Hz, double amplitude 1.5 mm 0.06", 2 hours for each of X,Y,Z axis

Weight

Approx 700 g (excluding fi ttings)

*1 NPN output can easily be converted to PNP output by connecting the optional OP-5148 PNP output converter.
*2 Requires 1.5 ms every second during self-compensation sequence to prevent temperature fl uctuations.

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