Omega Vehicle Security RS-232 dimensions AC Voltage Input, Input Ranges, Frequency Range

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iDRN-ACV

AC VOLTAGE INPUT

General Description:

The iDRN Series of DIN rail-mountable signal conditioners are available for Thermocouple, RTD, Strain, Process, AC Voltage, AC Current and Pulse/Totalizer input types.

The factory calibrated signal conditioners are ideal for all process and power monitoring applications, they feature 3-way isolation, high accuracy input, programmable outputs, and are excellent front end interfaces for programmable logic controllers or data acquisition systems. For maximum user configurability the signal conditioners allow complete input- output scaling via a RS-232 connection to any PC or PLC.

Software Description:

The signal conditioner configuration program is a MS DOS/Windows program (this manual is for the Windows version). It is designed especially for the iDRN Series Signal Conditioner. This program will run on any PC with Windows application and will start automatically.

Free Serial Communication software and ActiveX Controls

are on the CD-ROM enclosed with this shipment.

To download the latest software release (or request a free CD-ROM) please go to: www.omega.com/software

What You need:

•Your choice of the signal conditioner •IBM PC or compatible

•Windows software 3.1 or higher, or Windows 95/98 •RJ12 connector with telephone cable

•Adapter (DB9 or DB25 to RJ12)

Setting up your System

	RJ12 CONNECTOR	MODULE
COMPUTER	with CABLE
CONNECTION		CONDITIONER
(DB9 or DB25)
	RS-232 to	SIGNAL
	RS-485
	CONVERTER
	HALF-DUPLEX
	#CAT-285
COMPUTER
POWER	ADAPTOR (DB9/25 to RJ12)
CONNECTION	#DB9-RJ12, #DB25-RJ12

2

INPUT RANGES:

400 mV, 4V, 40 Volt, 400 Volt

FREQUENCY RANGE:

30 Hz to 1 KHz

INPUT IMPEDANCE:

2.1 Meg for all ranges.

ISOLATION:

Dielectric strength per 1 minute test based on EN 61010 for 50 Vdc or Vrms working voltage.

Three way Isolation:

•Power to Signal Input: 1800V Peak

•Power to Analog Output/Communication: 1800V Peak

•Signal Input to Analog Output/Communication: 1400V

COMMON MODE REJECTION: 100 dB

INPUT OVER-VOLTAGE PROTECTION: 10% Above full scale continuously.

100% Above full scale for 10 seconds.

ANALOG TO DIGITAL TECHNIQUE:

Dual slope

READ RATE:

3 readings/second

ACCURACY AT 25 °C:

400 mV, 4V, 40V and 400V ranges

49 Hz to 500 Hz ±0.2% of FS

30 Hz to 1KHz ±0.2% of FS ±10 counts

TEMPERATURE STABILITY:

400 mV and 40 Volt range 150 ppm/°C typical

4V and 400 Volt range 100 ppm/°C typical

STEP RESPONSE FOR RS232 OUTPUT: 2 seconds to 99% of the final value (Filter time constant = 64)

RESPONSE TIME:

To verify the response time, check the carriage return <CR>, it will be sent at the end of the response. You can send another command after you receive the <CR>.

i.e.	send: *X01
	response: X01<DATA><CR>

WARM UP TO RATED ACCURACY: 30 minutes

ANALOG OUTPUT SIGNAL TYPE:

Voltage: 0-10 Volt, maximum current 10mA

Current: 0-20 mA or 4-20 mA, maximum compliance voltage 10 Volts (maximum loop resistance 500Ω)

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ANALOG OUTPUT LINEARITY:

0.1% of FS

ANALOG OUTPUT STEP RESPONSE TIME: 2 seconds to 99% of final value

INPUT POWER:

10 to 32 Volt DC

POWER CONSUMPTION: 2.4 watts (100 mA at 24 Vdc)

OPERATING AMBIENT: -5 to +55 °C

STORAGE TEMPERATURE: -40 to +85 °C

RELATIVE HUMIDITY:

90% at 40 °C non-condensing

DIMENSIONS:

Introduction:

The AC voltage input signal conditioners are high performance instruments that measure AC voltages in 4 ranges which are as follows: 400 mV, 4 Volt, 40 Volt and 400 Volt. Key features of the signal conditioners are built in active attenuator, scalable analog output and a simple RS232 interface for scaling analog output and range selection. The RS232 interface may also be used for digital transmission of input signal to a computer or a PLC. Additional features include three way isolation between DC power, signal input and analog output/RS232.

4

J 4

		J 3
	SIG HI
+	N/C	J 2
	N/C
	SIG LO

J 1

Operation:

Note: When connecting a voltage signal, extra care should be taken to prevent electrical shock. Always turn the signal power off before making connections to the signal conditioner.

ALWAYS ENSURE THAT THE MAXIMUM VOLTAGE INPUT SIGNAL DOES NOT EXCEED

400 VOLTS AC.

PLEASE OBSERVE THE INPUT SIGNAL CONNECTION SPECIFIED IN THE SECTION BELOW. THIS DEVICE MUST ONLY BE INSTALLED BY

A PROFESSIONAL ELECTRICIAN.

Power Input and Analog Output Setup:

To connect the signal input proceed as follows:

1.Connect a DC power supply with an output voltage between 10 to 32 Volt DC to the signal conditioner (J1).

Note: If power supply used has current limiting, it may not be able to power the signal conditioners if the available output voltage is around 10 Volt, since the peak current may reach 1 to 5 amp for a few milliseconds.

2.Determine the maximum voltage to be measured.