Campbell COM200A, Instruction Manual

Page 1: ...INSTRUCTION MANUAL COM200A Telephone Modem 3 99 C o p y r i g h t c 1 9 9 7 1 9 9 9 C a m p b e l l S c i e n t i f i c I n c ...

Page 2: ...ther warranties expressed or implied including warranties of merchantability or fitness for a particular purpose CAMPBELL SCIENTIFIC INC is not liable for special indirect incidental or consequential damages Products may not be returned without prior authorization The following contact information is for US and International customers residing in countries served by Campbell Scientific Inc directl...

Page 3: ...ervice 2 4 TROUBLESHOOTING 5 5 MODEM SETTINGS IN NON VOLATILE MEMORY 5 APPENDIXES A MODIFYING THE NON VOLATILE MEMORY A 1 A 1 Remote Communication to the COM200A A 1 A 2 Hayes at Command Summary A 2 B CS I O CONNECTION B 1 B 1 CS I O 9 Pin Connection B 1 C THEORY OF OPERATION C 1 C 1 Theory of Operation C 1 D AUSTEL MODEM WARNING NOTICE D 1 LIST OF FIGURES 1 COM200A 2 2 CR10X with CR10X Wiring Pan...

Page 4: ...TABLES 1 Dataloggers that Require Direct 12 VDC Connection to COM200A 2 ...

Page 5: ... call the datalogger attached to the COM200A The computer s modem must be configured to the proper settings using the modem initialization strings listed in the software programs To communicate at 9600 baud the calling modem s error correction must be enabled If your modem initialization string has an Q0 you will need to change it to an Q5 in order to enable the error correction You must continue ...

Page 6: ...A CR10 X w silver wiring panel CR10 X w black CR10 wiring panel P N 8032 21X L serial number 13 442 or lower CR500 serial number 1764 or lower CR7 700X serial number 2778 or lower BDR301 and BDR320 3 2 CONNECTING TO EARTH GROUND Connect the green 14 awg grounding wire provided with the COM200A to the grounding terminal GND on the COM200A and to the enclosure s earth ground connection If the site d...

Page 7: ...W 12V SW 12V CTRL Logan Utah G 12V G 12V POWER IN CR10X WIRING PANEL MADE IN USA WIRING PANEL NO EARTH GROUND CS I O Burial Phone Cable Blue Ring Blue White Tip To Earth Ground Phone Line Transient Protector Model 6362 or 2372 01 SC12 Cable CAMPBELL SCIENTIFIC AUSTRALIA PTY LTD COM200A MODEM S N 0002 MADE IN USA REN 0 5 GND RING TIP FIGURE 2 CR10X with CR10X Wiring Panel and COM200A Using Remote T...

Page 8: ...D 12V G 12V POWER IN SERIAL I O SE DIFF AG H L AG H L AG H L AG G G E1 E2 1 2 3 1 2 3 4 5 6 G 5V 5V P1 P2 C8 C7 C6 C5 C4 C3 C2 C1 CONTROL 12V SWITCHED To Earth Ground 14 AWG Ground Wire SC12 Cable Telephone Wall Jack Red Black Ground 12v CAMPBELL SCIENTIFIC AUSTRALIA PTY LTD COM200A MODEM S N 0002 MADE IN USA REN 0 5 FIGURE 3 CR10X with CR10 Wiring Panel and COM200A Using RJ11C Telephone Jack ...

Page 9: ...ocal telephone company If you can make a call out but the connection is poor or faint contact your local telephone company 5 Verify the COM200A is receiving 12 VDC If the COM200A is receiving 12 VDC from a separate power supply instead of the datalogger is the ground of the separate power supply connected to the datalogger s ground 6 Verify the COM200A is the only Modem Enable device connected to ...

Page 10: ...t up Change telephone system types Change from the Bell 212A U S and Canada system to a CCITT V 32 foreign 9600 baud or CCITT V 22 foreign 1200 baud system This does not mean that the COM200A is tested and approved for all foreign countries CCITT is an international consultative committee that sets international communications usage standards V 32 and V 22 are standards that the COM200A meets ...

Page 11: ... with the COM200A program the datalogger to initiate a call to it using a program similar to the Example Program 1 After this program runs once the modem is now programmed and the actual program one wants to run may now be downloaded to the datalogger Please note that this program requires that the option code for an RF modem be used instead of the normal phone modem option TIP RING GND 12V G SC12...

Page 12: ...ries 6 0 Minutes before Slow Retry 7 1 Failures Loc Failure 8 0 Data Logger ID 2 Extended Parameters P63 1 65 Option A 2 84 Option T 3 83 Option S 4 48 Option 0 5 61 Option 6 51 Option 3 7 38 Option 8 87 Option W 3 Extended Parameters P63 1 48 Option O 2 68 Option D 3 84 Option T 4 13 Option 5 00 Option 6 00 Option 7 00 Option 8 00 Option A 2 HAYES AT COMMAND SUMMARY This manual does not attempt t...

Page 13: ...load on power up V Display the current profile to the screen RESULT CODES 0 OK 1 Connect 2 Ring 3 No Carrier 4 Error 5 Connect 1200 Baud 6 No Dial Tone 7 Busy 8 No Answer 12 Connect 9600 Baud 13 Connect 9600 14400 Baud 17 Connect 9600 Baud CAUTION If more than four rings are specified the datalogger may time out before the modem answers communication will never be established It is possible in som...

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Page 15: ...upply 2 input Ground 3 output Ring a logic high signifies a ring signal has been detected 4 output RX Data serial data from COM200A 5 input Modem Enable a logic high internally switches power to the modem A logic low internally shuts off power to the modem 6 input Serial Device Enable a logic high disables communication with the modem without removing power or changing the modem s mode 7 No Connec...

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Page 17: ...logger through an opto coupler The datalogger responds by raising the Modem Enable line which internally switches the 12 VDC power to the modem The modem then answers and remains off hook until it loses the carrier or the datalogger lowers the Modem Enable line The datalogger lowers the Modem Enable line by remote command or after 40 seconds in the absence of a command When the Modem Enable line g...

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Page 19: ...d by the ATX value Call Attempt Retries Applications software shall be configured so the no more than 3 attempts are made to establish a connection to a given number Note If the modem can detect service tones up to 10 attempts can be made There must be at least 2 seconds between call attempts If the call sequence is unsuccessful There shall be a delay of at least 30 minutes before attempting to ca...

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Page 22: ... campbellsci com br suporte campbellsci com br Campbell Scientific Canada Corp CSC 11564 149th Street NW Edmonton Alberta T5M 1W7 CANADA www campbellsci ca dataloggers campbellsci ca Campbell Scientific Ltd CSL Campbell Park 80 Hathern Road Shepshed Loughborough LE12 9GX UNITED KINGDOM www campbellsci co uk sales campbellsci co uk Campbell Scientific Ltd France Miniparc du Verger Bat H 1 rue de Te...