Related Manuals for CEL-MAR ADA-4020A
Summary of Contents for CEL-MAR ADA-4020A
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Page 1: User Manual
ADA-4020A User manual ADA-4020A Addressable RS485/422 to Current Loop Baud Rate Converter Copyright © 2001-2017 CEL-MAR sp.j. io_ada-4020a_en v.4.02... -
Page 2: Table Of Contents
ADA-4020A Contents 1. GENERAL INFORMATION..................................3 1.1. WARRANTED INFORMATION............................... 3 1.2. GENERAL CONDITIONS FOR SAFE USE............................ 3 1.3. CE LABEL....................................... 3 1.4. ENVIRONMENTAL PRESERVATION............................3 1.5. SERVICE AND MAINTENANCE..............................3 1.6. PACK CONTENTS..................................3 2. PRODUCT INFORMATION..................................3 2.1. PROPERTIES....................................3 2.2. -
Page 3: General Information
1.1. WARRANTED INFORMATION The ADA-4020A converter is covered by a two year warranty from date of sale. In case of being damaged it will be repair or the damaged component will be replace. The warranty does not cover damage caused from improper use, materials consumption or any unauthorized changes. -
Page 4: Description
LED's and the fuses. To RS485/422 bus created on ADA-4020A, is possible to connect 32 devices, operating in half duplex mode (query /response) on 2 or 4-wires multipoint buses or full duplex on 4-wire bus. To Current Loop bus is possible to connect 2 devices operating in half duplex or full duplex mode. -
Page 5: Current Loop Transmitter
Fig. 3. Isolation diagram 3. INSTALLATION This chapter will show how to connect ADA-4020A to computer, RS485 bus, Current Loop line and power supply and how to use it. To reduce disturbance from environment, it is recommended to: – use multipair type shielded cables, which shield can be connected to the earthing on one end of the cable, –... -
Page 6: Assembling
3.2. CONNECTION TO PC ADA-4020A can be connected to RS232 port or USB of PC by the use of additional converter eg. RS232 to RS485 (ADA-1040) or USB to RS485 (ADA-I9140). The connection is made via RS485 bus or RS422 bus, as on the figure bellow. -
Page 7: Connection To Rs485 (2-Wires) Bus
Example connection of Rt are shown on Fig. 6 & 7. Resistor Rt = 120 W, 5%, 0.25W of a 2 pc. is complete with the device ADA-4020A. -
Page 8: Signaling Leds
4.1. SIGNALING LEDS Description Signalling of Power Supply Signalling of data receiving through the ADA-4020A converter from Current Loop port Signalling of data transmitting from the ADA-4020A converter through Current Loop port Configuration LED by SW1 Blink with frequency 1 Hz - signalling of configuration mode (see micro-switch SW1 setting) Firmware update LED by SW1 Blinking signalling the software data flows to converter. -
Page 9: Configuration Data Flow Control
ADA-4020A 5.2.3. CONFIGURATION DATA FLOW CONTROL In the section Data flow control for Current Loop & RS485/RS422 interfaces, can be set: a) for Current Loop interface: – signal DE – Off – enable continuously, b) for RS485/RS422 interface: – signal DE – Off – RS485/RS422 interface operates only in receiving data mode, –... -
Page 10: Emergency Firmware Update
SW1-2 After micro-switch setting, should be restarted the ADA-4020A, by turning OFF and then ON the power supply. The yellow LED will light continuously and the converter will be in Emergency Firmware Update mode. Now follow the description in point FIRMWARE UPDATE. -
Page 11: Data Transmission Diagnostics
The ADA-4020A converter can operate in to two modes: not addressable and addressable. 6.1. OPERATION IN NON ADDRESSABLE MODE In this mode the ADA-4020A operates as baud rate converter and data format converter and lets to set different baud rates and data format on Current Loop & RS485/422 interfaces. -
Page 12: Changes In The Software
ADA-4020A ADA-4020A converter with set up addressing is listening constantly to frame on RS485 bus via RS485/422 port. If received frame contains byte of address equal to address of converter, then another bytes of frame are received, right up to silence on RS-485 bus equal to 'space between frames in signs'. -
Page 13: Versions
Current Loop Voltage: 24VDC 12VDC Current Loop Type: Order example: ± 20mA Product Symbol: ADA-4020A-1-1-2-3 1 – Current Loop Voltage 24VDC, 0 - 20mA 1 – Current Loop Type ± 20mA, Galvanic isolation: 2 – 1kV= galvanic isolation, 1kV=, 3-way 3 –... - Page 14 ADA-4020A Dimensions 53mm x 90mm x 62 mm Material Noryl UL. 94 V-O Degree of casing protection IP40 Degree of terminal protection IP20 Weight 0,10 kg According to standard DIN EN50022, DIN EN43880 Position during operation Free Mounting Rail mounting according to DIN35 standard / TS35.
- Page 15 ADA-4020A...
- Page 16 Thank you for purchasing CEL-MAR Company product. We hope that this user manual helped connect and start up the ADA-4020A converter. We also wish to inform you that we are a manufacturer of the widest selections of data communications products in the world such as: data transmission converters with interface RS232, RS485, RS422, USB, Ethernet, Wi-Fi, Current Loop, Fibre-Optic Converters and other.
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