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STI-638

STI-638

Model: STI-638

Starting at: $449.00

Description

The STI-638 tachometers encased in a tight, wall-mounted housing (IP 67) with 6-digit, large LED display are designed to control rotational or linear speed of moving objects. The device is also able to measure frequency. As an additional advantage the device can convert the rotational / linear speed into inverse values, and to display the single revolution period or process duration. The 24V DC / 100 mA output is designed to supply measuring transducers, and the RS-485 port enables data transmission in production process monitoring systems. The REL / OC control outputs can be programmed depending on the instantaneous value of rotational speed. Additionally the counter may be equipped with analogue outputs, according to the customer selection: active current output, passive isolated current output or active voltage output. The counter may be configured with no need to open the case, by using the remote controller, the local keyboard or with free S-Config software via the RS-485 communication port.

Specifications

Number of inputs

1
Input type

pulse
Input levels

low: 0...1V; high: 10...30V
Input frequency

1,5...50 kHz
Output type

depends on configuration:

relay I=1A, U=30V DC/250V AC (cosø=1)

Open Collector: I=30 mA, U=30V DC, P=100 mW

0/4...20 mA: active current, operating range 0...24 mA max., load resistance 700 Ω max., resolution 13 bit

4...20 mA: passive current, isolated, operating range 2,8...24 mA max., load resistance 600 Ω@24VDC, resolution 13 bit

0/1...5V, 0/2...10V: active voltage, operating range 0...11V max., load resistance min. 2000 Ω, resolution 13 bit
Measurement unit

revolutions per second, per minute, per hour
Measurement method

electrical, pulse
Power supply

16...35V AC, 19...50V DC

85..260V AC/DC
Display

LED, 6 x 38 mm, ultra bright (red, green, blue)
Communication Interface

RS-485 / Modbus RTU
Transmission parameters

1200...115200 bit/s, 8N1 / 8N2
Operating temperature

0...+50°C

-20…+50°C
Protection class

IP 67
Case material

ABS

polycarbonate
Mounting

wall
Case dimensions

230 x 140 x 96,5 mm

For more information on the STI-638 please click the links below:

DATASHEET

MANUAL

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