Instruction/ maintenance manual of the product DIN-190 Omega Engineering
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omega.com e-mail: info@omega.com For latest product manuals: omegamanual.info U ser ’ s Guide DIN-190 and DIN-192 Series Conver ter Boxes MADE IN Shop online at.
Servicing Nor th America: U.S.A.: One Omega Drive, Box 4047 ISO 9001 Certified Stamford, CT 06907-0047 Tel: (203) 359-1660 FAX: (203) 359-7700 e-mail: info@omega.com Canada: 976 Bergar Laval (Quebec) H7L 5A1, Canada Tel: (514) 856-6928 FAX: (514) 856-6886 e-mail: info@omega.
DIN-191 and DIN-192 SERIES CONVERTER BOXES USERS MANUAL REVISED: 10-30-00 Omega Engineering One Omega Drive P O Box 4047 Stamford, CT 06907 Phone: 1-800-DAS-IEEE Fax: 203-359-7990 e-mail: das@omega.
3 DIN-191 & DIN-192 USERS MANUAL GENERAL DESCRIPTION The DIN-191 and DIN-192 series converter boxes convert RS-232 communications signal levels to the correct electrical signals required by RS-485.
DIN-191 & DIN-192 USERS MANUAL 4 SPECIFICATIONS Max common mode voltage: 500Vrms, 60s duration. Baud rates: 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 (Dip -switch selectable). Temperature range (operating & storage): -25 to +70°C.
5 DIN-191 & DIN-192 USERS MANUAL The DIN-191 female RS-232 connector utilizes five connections: Transmit pin 2 Receive pin 3. Ground pin 5. Data Set Ready (DSR) pin 6 Clear To Send (CTS) pin 8 Bot.
DIN-191 & DIN-192 USERS MANUAL 6 isolated RS-485 input data lines will be re-amplified and retransmitted on the RS-485 OUT data lines. . Figure 1B Connections for DIN-192. BAUD RATE The DIN-191 and DIN-192 series converters contain a 10-position DIP switch located on the bottom of each unit.
7 DIN-191 & DIN-192 USERS MANUAL Figure 2. RS-485 biasing & termination resistors. RS-485 TERMINATION & BIASING SETTINGS Proper termination and biasing of any RS-485 based system can be performed by properly enabling the correct resistors inside each DIN-191 or DIN-192.
DIN-191 & DIN-192 USERS MANUAL 8 FIGURE 4. DIN-192 jumper locations. FACTORY RS-485 TERMINATION SETTINGS Each DIN-191 and DIN-192 contains internal pin strips for enabling the internal termination and biasing resistors. Each pc board is clearly marked with the jumper designators adjacent to each row of pins.
WARRANTY / DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month grace period to the normal one (1) year product warranty to cover handling and shipping time.
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An important point after buying a device Omega Engineering DIN-190 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Omega Engineering DIN-190 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Omega Engineering DIN-190 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Omega Engineering DIN-190 you will learn all the available features of the product, as well as information on its operation. The information that you get Omega Engineering DIN-190 will certainly help you make a decision on the purchase.
If you already are a holder of Omega Engineering DIN-190, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Omega Engineering DIN-190.
However, one of the most important roles played by the user manual is to help in solving problems with Omega Engineering DIN-190. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Omega Engineering DIN-190 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
