AD-AEB 20 GX

Description

The AD-AEB 20 GX enables 2-channel analog signal acquisition while providing digitally processed process variables. The signals are provided via an RS485 bus interface. Analog values ??and scaling values ??can be called up via implemented MODBUS commands. All settings regarding scaling or filters are made via MODBUS commands.
The power supply and the RS485 bus connection are possible via the rear DIN rail connector. The device is equipped with two rotary coding switches with which the bus address can be set on the device.
The input current shunt is automatically switched on when reading the current value. With the input signal switches (E1 / E2), each signal input can be permanently connected to the 50 Ohm terminating resistor in order to safely complete current loops even if the supply voltage fails.
The operating voltage is indicated by a green LED. The data communication is signaled by a yellow LED. Invalid measurement signals outside the defined measuring range are detected. In this case, the green LED flashes.
As well as interface settings as well as the device address can be modified during operation by means of Modbus commands. All Modbus register addresses and associated commands are listed in the document attachment.

AD-AEB 20 GX

Application

Conversion of analog process variables in digital information, already in the cabinet. Drastic reduction of wiring work.

Specific characteristics

Two analogue inputs can be used as voltage or current input
Adjustable filter function
Galvanically isolated RS485 bus interface
Parameterizable interface settings
Hardware switch for device address
Galvanically isolated switching power supply
Can be parameterized with PC via AD Studio configuration software
Status LED for operating voltage and data communication
Visual display for invalid measuring signals
Modbus master mode

Business data

Order number
AD-AEB 20 GX
Accessory
Rail connector (5-pin)	AD-GX-Connector
Identifiers
Customs tariff number / country of origin	8543 70 90 / Deutschland

Information

Downloads
Data sheet	en-aeb20gx.pdf (213 kB)
Tender text	aeb20gx.zip (10 kB)
STEP file	gx.step (3 MB)
Safety instructions	ad-safety-instructions.pdf (43 kB)

Technical specifications

Current inputs
Measuring range	0 ... 20 mA
Input resistance	50 Ohm
Voltage inputs
Measuring range	0 ... 10 V
Input resistance	100 kOhm
Signal detection
Channel counts (U/I)	2
Basic accuracy	< +/- 0,3 %
Temperature influence	80 ppm/K
Sampling rate / resolution	100 ms / 10 bit
Transmission behaviour
Response time	Max. 15 ms
RS485-Bus
Software protocol	Modbus-RTU
Data format	19200, e, 8, 1
Max. bus users	99
Bus termination	120 ohms both sides at the end
Max. length of bus	500 m (no spur lines)
Cable	Twisted and shielded
Supply
Supply voltage	18 ... 30 V DC
Max. power consumption	600 mW (24V DC)
Housing
Dimensions (WxHxD)	6,2 x 92 x 101 mm³
Manner of fastening	DIN rail mounting 35mm, EN 50022
Type of protection	IP 20
Connection method	Screw clamp
Bolting torque terminals	0,5 Nm
Wire cross section	Max. 2,5 mm²
Weight	~ 70 g
Environmental conditions
Permissible ambient temperature	-10 ... +50 °C
Storage and transport	-10 ... +70 °C (no condensation)
EMC
Product family standard ¹⁾	EN 613261
Emission ²⁾	EN 55011, CISPR11 Cl. A, Gr. 1
¹⁾ During checking, slight signal deviations are possible.
²⁾ Warning: This device is not intended to be used in residential areas and can not ensure adequate protection of radio reception in such environments.
Electrical safety requirements
Product family standard	EN 61010-1
Galvanic isolation, test voltages
RS485 bus / power supply	1,5 kV, 50 Hz (1 min)
Analog inputs / power supply	1.5 kV, 50 Hz (1 min)
Analog input / RS485 bus	1,5 kV, 50 Hz (1 min)
Analog inputs between themselves	0 kV
Protection circuits
Power supply	Electrical surge and reverse current protection

Block and wiring diagram

AD-AEB 20 GX

Dimensions

AD-AEB 20 GX