Antona ANC-6185 Series Manual Download Page 1 | Manualshive

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Antona Corporation

i

(818)783-4299

Rev. C

$ 5.00

ANC - 6185

RS-485/422 Serial Communications Adapter

Antona Corporation, Los Angeles, CA

ANC-6185T ANC6185R

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Summary of Contents for ANC-6185 Series

Page 1: ...Antona Corporation i 818 783 4299 Rev C 5 00 ANC 6185 RS 485 422 Serial Communications Adapter Antona Corporation Los Angeles CA ANC 6185T ANC6185R ...

Page 2: ...ge In no event shall Antona Corporation be liable to the purchaser for loss of use profit or consequential damages or damages of any kind including but not limited to accidental loss or damage to other equipment arising out of use of Antona Corporation equipment whether or not said equipment was used properly The designer is responsible for the determining the suitability and use of the product Th...

Page 3: ...DICATOR ENABLE JP10 8 ANC 6185 EXTERNAL RS 232 CONNECTIONS 8 DB9 TO DB25 PIN TO PIN CHART FOR USE OF ADAPTER ON A DB25 TYPE COM PORT 9 RS 485 422 CONNECTIONS TO THE ANC 6185 9 MASTER RS 485 422 SIGNALS AS SHIPPED 9 SERVER RECEIVE FROM MASTER 9 INTERFACE WIRING 10 Terminal Block Wiring T adapter version 10 RJ 45 Wiring R adapter version 10 RS 485 TWO AND FOUR WIRE INTERFACING 10 2 WIRE 10 Photo 2 2...

Page 4: ...n n J Ju um mp pe er ra ab bl le e t te er rm mi in na at te e 1 12 20 0 o oh hm ms s o on n i in np pu ut t P Pl lu ug g c co om mp pa at ti ib bl le e w wi it th h R RS S 2 23 32 2 P PC C s se er ri ia al l p po or rt t D DB B 9 9 c co on nn ne ec ct to or r O Op pt ti io on na al l L LE ED D t tr ra an ns sm mi it t a an nd d r re ec ce ei iv ve e s st ta at tu us s i in nd di ic ca at to or rs...

Page 5: ...ought to a high output level 100 ms before communicating over the adapter Usually this is performed once during the user s program initialization If desired with the appropriate jumper settings RTS is lowered and raised to receive and transmit respectively In this mode DTR must be left high to power the adapter when RTS is set low The adapter can be powered down by lowering RTS and DTR when standb...

Page 6: ... 422 end terminal block RJ 45 on the arrowhead end pointed to by the small RS485 422 designation Now place the small screws back into position on the RS232 or computer side DB 9 Transmit Control Enable JP1 For single adapter 4 wire setups where the ANC 6185 is controlling one piece of equipment JP1 can be set in the horizontal position as shipped so that the transmit data RS 485 422 driver lines a...

Page 7: ...d set RS 485 422 drive output as pictured in figure 2 below Note that DTR must be set high when RTS is low in order for the adapter to operate when an external power supply is not being used figure 2 RTS low to Tx enable Receive Enable JP3 This 3 pin straight vertical jumper can be set to enable receiving RS 485 422 data always as shipped JP3 set on the lower and middle pin or turned off automatic...

Page 8: ...85 422 side of the adapter The configuration as shipped from Antona is set for master Figure 1 shows the jumper locations on ANC 6185 circuit board and figure 4 below shows the jumper settings The user can move all four jumpers on the card from the horizontal master controller configuration to the vertical server remote configuration All four jumpers must be changed to either all horizontal or all...

Page 9: ...ansmit and receive wire pairs typical in 4 wire interfaces Figure 5 2 4 wire interfacing LED Indicator Enable JP10 If the optional LED transmit and receive indicators have been installed JP10 may be used to enable or disable their operation Shipped enabled if the option was ordered Many times after the interface is installed and working the LED indicators are not needed and some applications a sou...

Page 10: ... On the T terminal block version the designer just wires to the appropriate terminal block pin per the signal functions below in the MASTER RS 485 422 Signals table and changing the jumpers for opposite ends of the cable is not needed The two tables below cover all configurations for both versions of the ANC 6185 Master RS 485 422 Signals as shipped Terminal Block T RJ 45 R FUNCTION IDENTIFICATION...

Page 11: ...it plus from adapter RS 485 Two and Four Wire Interfacing 2 wire One of the key features of using a controlled transmit adapter like the ANC 6185 is for applications using multidrop 2 wire interfacing with other RS 485 type equipment Usually a two wire interface with multiple peripherals uses a polled response half duplex software protocol where each device has a unique device code Generally this ...

Page 12: ... all connected peripheral receive data lines While 2 additional wires are connected from all peripheral transmit pairs back to the server s receive wire pair In such an arrangement the server can be transmitting and receiving at the same time full duplex and less polled response protocol is needed This results in an overall improvement in communication speed The server can broadcast messages to al...

Page 13: ...ot work in your application Even cables purchased with molded ends can be damaged We test all of the cables we sell before shipping them out Pin Signal Definition 4 wire interfaces Make sure that the JP8 9 jumpers are set for 4 wire interfacing as described in the manual s jumper option section Take a look at the manual of the RS422 485 equipment that you are trying to control Be sure that the pin...

Page 14: ...hm impedance will work the best low cost UTP CAT 5 works good If you are using the adapter to interface with one piece of equipment a short cable run under 150 feet in an electrically clean environment like an office then you probably do not need the cable to be terminated If on the other hand you are using the ANC 6185 to interface with 2 or more RS 485 devices in an industrial environment with h...

Page 15: ...dependent of the Antona adapter by using another setup a different cable connected to another RS422 485 signal generating device would be the best Using a different computer with the Antona adapter would also be a good test Now What If none of the above seems to fix the problem but the loopback test works the adapter is working and you may now need to connect an oscilloscope up to examine and moni...

Page 16: ...ng single character transmissions are involved in the setup or debug Strings of characters can be detected at any baud rate The LED jumper JP10 described in the jumper option section allows disabling the LEDs if desired after the installation process is complete As the adapter is usually plugged into the back of a PC and internally powered from the serial port the added current to drive the LED in...

Page 17: ...C Circuit Board Schematic The schematic and card artwork are copyright protected by Antona Corporation and are included only to aid the end user to configure the adapter or for competent technical service personnel to use in maintenance or repair ...

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