Analogue Sensor Controller

RD series

This model has been discontinued.
Compliance with the certification standard is ensured as of the time of shipment from our company.

Main Unit RD-50E

RD-50E - Main Unit

*Please note that accessories depicted in the image are for illustrative purposes only and may not be included with the product.

Data Sheet (PDF)

Specifications

Model		RD-50E
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		-19999 to +39999
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		2,000 times/second
Display speed		20 times/second
Display power		7-segment 3-colour LED (character height: 15.24 mm)
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
Controloutput	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
Analogue 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
Major functions		MDL, digital fi lter, 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 %, Ripple (P-P) 10 % or less
	Current consumption	270 mA or less
Environmental resistance	Ambient temperature	0 to +50 °C
	Relative humidity	35 to 85 % RH (No condensation)
	Vibration resistance	10 to 55 Hz, Double amplitude 1.5 mm, 2 hours in each of the X, Y, and Z directions
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.

Data Sheet (PDF) Other Models