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. DESCRIPTION................................................................................................................................................................................ 4
2.3. CURRENT LOOP TRANSMITTER................................................................................................................................................. 4
2.4. CURRENT LOOP RECEIVER........................................................................................................................................................ 4
2.5. ISOLATION..................................................................................................................................................................................... 5
3. INSTALLATION....................................................................................................................................................................................... 5
3.1. ASSEMBLING................................................................................................................................................................................. 5
3.2. CONNECTION OF DEVICES WITH RS232................................................................................................................................... 5
3.2.1. CONNECTION OF DEVICES WITH RS232 PORT - DTE TYPE (COMPUTER)...................................................................6
3.2.2. CONNECTION OF DEVICES WITH RS232 PORT - DCE TYPE (MODEM).........................................................................6
3.3. CONNECTION OF THE CURRENT LOOP INTERFACE DEVICES..............................................................................................7
3.3.1. CONNECTION OF THE CURRENT LOOP LINE TO ADA-1020 CONVERTER....................................................................7
3.4. EXAMPLE CONNECTION OF DEVICES TO THE CONVERTER..................................................................................................8
3.5. CONNECTION OF RS232 INTERFACE DEVICES TO CURRENT LOOP BUS............................................................................8
3.5.1. CONNECTION OF 15 RS232 INTERFACE DEVICES TO CURRENT LOOP BUS..............................................................8
3.5.2. 3.5.1. CONNECTION OF 5 RS232 INTERFACE DEVICES TO CURRENT LOOP BUS......................................................9
3.6. POWER SUPPLY......................................................................................................................................................................... 10
4. ACTIVATION......................................................................................................................................................................................... 10
4.1. DESCRIPTION OF SIGNALLING LEDS....................................................................................................................................... 11
5. RS232 INTERFACE – PIN DESCRIPTION OF DSUB-9F-DCE SOCKET............................................................................................11
6. VERSIONS............................................................................................................................................................................................ 11
7. SPECIFICATION................................................................................................................................................................................... 11
2
ADA-1020
