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Campbell Hausfeld COM220 manual

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Table of contents for the manual

  • Page 1

    COM220 Telephone Modem Revision: 3/07 Copyright © 1997-2007 Campbell Scientific, Inc.[...]

  • Page 2

    Warranty and Assistance The COM220 TELEPHONE MODEM is warranted by CAMPBELL SCIENTIFIC, INC. to be free from de fects in m aterials and workm anship under normal use and service for t welve (12) months from dat e of shipment unless specified otherwise. Batte ries have no warranty. CAMPBELL SCIENTIFIC, INC.'s obl igation under this warranty is [...]

  • Page 3

    COM220 Telephone Modem Table of Contents PDF viewers note: These page numbers refer to the printed version of this document. Use the Adobe Acrobat® bookmarks tab for links to specific sections. 1. Introduction .................................................................. 1 1.1 General Description ..............................................[...]

  • Page 4

    COM220 Telephone Modem Table of Contents D. FCC Warning to Users of Class A Computing Devices .............................. D-1 E. IC Information .......................................................... E-1 List of Figures 1. COM220 DIP Switches.............................................................................. 1 2. COM220 ...........[...]

  • Page 5

    COM220 Telephone Modem 1. Introduction 1.1 General Description The COM220 modem is a selectable-baud-rate m odem employ ing the Hayes AT comm and set. Its primary use is as a rem ote site phone modem connected to a CSI datalogger. The m odem is powered and enabled by t he battery- powered datalogger. When not active, the COM 220 draws 100 to 120 µ[...]

  • Page 6

    COM220 Telephone Modem The COM220 is connected to a CSI dat alogger by a 9-pin submini ature D cable. This is the same 9-pin CS I/O interface com mon to all Campbell Scientific datal oggers (except the CR200 series). This is not an R S-232 connection. Appendix B desc ribes the CS I/O interface. The COM220 can be used as an originate m odem at the d[...]

  • Page 7

    COM220 Telephone Modem 2. Specifications • Standards: V.92, K56Flex, V.90, V.34, V.32bis, V32, V23, V22bis, V22, V.21, B212, B103 • Registration: FCC US: 3A4M508BSM 2-T-W IC 2377 A-SM2TW TBR21 • Operating voltage: 12 VDC • Current drain: 100 to 120 µA quiescent ; 30 mA active • Comm unication rate between data logger and COM220: 9600, 38[...]

  • Page 8

    COM220 Telephone Modem TABLE 1. Dataloggers that Require Direct 12 VDC Connection to COM220 CR10(X) with silver wi ring panel CR10(X) with black C R10 wiring panel (P/N 8032) 21X(L)—serial number 13,442 or l ower CR500 ⎯ serial num ber 1764 or lower CR7—700X serial num ber 2778 or lower 3.2 Connecting to Earth Ground Connect the green 14 awg [...]

  • Page 9

    COM220 Telephone Modem SE 1 2 34 56 78 H 123 4 L DIFF H EX1 HL HL L P2 P1 12V G DC ONLY CAUTION LUG GROUND POWER IN WIRING PANEL CR1000 PERIPHERAL PORT RS-232 (Not Isolated) SN: CS I/O MADE IN USA 11 10 9 SE 15 16 13 14 12 H L DIFF H EX2 HL HL L EX3 567 8 SW-12 5V 12V 12V C5 C4 G G G G C1 C2 C3 G G C6 C7 C8 Tx COM1 Rx Tx Rx Tx Rx Tx Rx COM2 COM3 CO[...]

  • Page 10

    COM220 Telephone Modem CAMPBELL SCIENTIFIC INC. CR10 MADE IN USA WIRING P ANEL NO. EARTH DIFF SE AG H L AG H L AG H L AG G G E3 AG 4 5 6 78 9 1 0 1 1 1 2 GGGG 12V 12V SWITCHED 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 12 34 56 G 5 V5 V P 1 P 2 C 8 C 7 C 6C 5C 4C 3C 2 C 1 CONTROL 12V SWITCHED T o Ear th Ground 14 [...]

  • Page 11

    COM220 Telephone Modem You can modify the following COM 220 settings with DIP switches: 1) Comm unication mode (e.g., SDC or M odem Enable) 2) ME baud rate 3) PakBus ready Additional changes (see exam ples below) may be m odified with Hayes AT comm ands. Appendix A.2 describes the procedures and comm ands required to effect the changes described in[...]

  • Page 12

    COM220 Telephone Modem 3) If using a non-PakBus datalogger (e.g., CR 510, CR10X, CR23X, CR7, CR5000), verify that DIP swi tch 1 on the COM220 is in the OPEN (modem enable) position. For PakBus loggers (e.g., CR 800, CR850, CR1000, CR3000, CR10XPB , 23XPB, etc.), DIP switch 1 can be in either position, but closed (SDC 7) is preferred. See Appendix A[...]

  • Page 13

    COM220 Telephone Modem in Setup’s PakBusPort [LoggerNet, Setup, PakB usPort (in the device map)] may limit the baud rate selected by the modems since it defaults to 9600. You can sometim es achieve a higher connection baud rate by raising the PaKBus Port’s m aximum baud rate. 11) Can you attach a norm al analog telephone to the li ne and make a[...]

  • Page 14

    COM220 Telephone Modem This is a blank page. 10[...]

  • Page 15

    Appendix A. Changing COM220 Settings Changing any of the modem's settings m ay result in communication problems. Afte r changing the settings, try the modem locally before installin g it at a remote location. To speed problem resolution whe n contacting Campbell Scientific for support, please info rm us of any modem setting changes that have b[...]

  • Page 16

    Appendix A. Changing COM220 Setting s TABLE A-1. Selecting ME Baud-rates via DIP Sw i tche s 3 and 4 ME Baud-rate Switch 3 Switch 4 9600 Open Open 38400 Open Closed 57600 Closed Open 115200 Closed Closed Please note that older dataloggers (e.g. CR10X, C R23X, CR510) can not support the highest COM220 ME baud-rates . Table A-2 lis ts maxim um datalo[...]

  • Page 17

    Appendix A. Changing COM220 Setting s FIGURE A-1. COM220 to Computer Conne ction To configure the COM220 with Hayes AT command s, follow these steps: 1) Close DIP Swi tch 8 on the COM 220 (power to t he COM220 must be cycled for ~ 5 sec before c hanges to DIP switch settings are effective). 2) You must use an SC532A with a 12V AC adapter or an SC53[...]

  • Page 18

    Appendix A. Changing COM220 Setting s 7) Follow the instructions that appear in the termin al emulator screen (Figure A-3). 8) Be sure to save all new comma nds before exit ing (by enteri ng 5 and enter) . 9) When finished, return DIP switch 8 on the COM220 to its open position. FIGURE A-2. Device Configuration Screen A-4[...]

  • Page 19

    Appendix A. Changing COM220 Setting s FIGURE A-3. Terminal Emulator Screen in Device Configuration HAYES AT COMMAND SUMMARY: This manual does not attempt to be a primer on the Hayes AT command set. The commands are, therefore , only summar ized below. For most applications , these commands will not n eed to be used. Except as noted, all co mmands s[...]

  • Page 20

    Appendix A. Changing COM220 Setting s M0 Speaker always off M1 (default) Speak er on during call establish ment M2 Speak on du ring entire call se ssion S0=0 Disable Auto Answer S0=1 (d efault) Answer o n s econd ri ng S0=2 Answer o n third ring S0=n Answe r on (n + 1) ri ng. When doing datalogge r to datalogger communications with the COM220, if m[...]

  • Page 21

    Appendix A. Changing COM220 Setting s FIGURE A-4. Send OS Screen in Device Configuration A.4 Program Examples A.4.1 ModemCallback Example (for CR1000) The ModemCallBack instruction is availab le in the CR1000 with operating system std.1 2 or greater, in t he CR3000 with operating syst em std.05 or great er and CR800 o r CR850 with op erating system[...]

  • Page 22

    Appendix A. Changing COM220 Setting s ModemCallBack(Resu lt,ComSDC7,9600, 0,"5551212","",40,6 0,Abo rt) CallTable Test5 NextScan End Program A.4.2 DialModem Example (for CR1000) The program below does 2-m inute callbacks via t he COM220 con figured for SDC7. DialModem is set equal to a variable, so that the success/failure resul[...]

  • Page 23

    Appendix A. Changing COM220 Setting s The COM220 can return several possible responses once connected (each terminati ng in a ca rriage return): CAUTION “1” CONNECT “5” CONNECT120 0 “10” CONNECT2400 “13” CONNECT9600 “18” CONNECT4800 “20” CONNECT7200 “21” CONNECT1200 0 “25” CONNECT1440 0 Hence, to work with the COM220[...]

  • Page 24

    Appendix A. Changing COM220 Setting s Do not put Instruction 97 inside a loop or conditional statement; it must be executed ea ch time the table is run. IMPORTANT In the example below, the program does two m inute data callbacks via t he COM220 phone modem. Edit instruction 13 with your PC’s (LoggerNet’s) phone num ber. Remember t o set COM220 [...]

  • Page 25

    Appendix A. Changing COM220 Setting s 12: Initiate Telecommunications (P97) 1: 22 Phone Modem/960 0 Baud ;set baud-ra te/m odem 2: 5 Dis abled w h en User F lag 5 is High 3: 45 Seconds Call Tim e Limit 4: 0 Seconds Before Fast Retry 5: 0 Fast Retries 6: 0 Minutes Before Slow Retr y 7: 3 Failures Loc [ Failures ] 8: 222 Callback ID ;must also enter [...]

  • Page 26

    Appendix A. Changing COM220 Setting s SequentialMode DataTable (TestA,1,-1) DataInterval (0,2,Sec,10) Minimum (1,BatteryVoltage,FP2,0,False) Sample (1,Pan elTemperature,FP2) EndTable DialSequence (4094) StaticRoute(ComSDC8,4094,4094) ' So router discovers LoggerNet server DialSuccess = DialModem (C omSDC8,9600,"55 51212",""[...]

  • Page 27

    Appendix B. CS I/O Connection B.1 CS I/O 9-Pin Connection The pin out of the connector is shown in Fi gure B-1. The direction of the signal relative to the m odem is shown in parenthesis. Unl ess specified otherwise, all le vels are 0 V for logic low, 5 V for logic high. FIGURE B-1. CS I/O Pin Out 1. (input) +5 VDC supply . Not used by COM220. 2. ([...]

  • Page 28

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  • Page 29

    Appendix C. Theory of Operation C.1 Theory of Operation The COM220 modem is used to transmit data over bandwidth-limited chann els such as telephone lines by modulating a udio tones. The COM220 uses various modulation sc hemes includi ng FSK (Frequency Shift Keying), TCM (Trellis Coded Modula tion), QAM (Quad rat u re Am plitude Modula t ion ), a n[...]

  • Page 30

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  • Page 31

    Appendix D. FCC Warning to Users of Class B Computing Devices This equipment generates, uses, and can radiate radio frequency energy , and if not installed and used in accordance w ith the instruction manual, may cause interference to radio communications. It has been tested and found to comply with the limits for a Class B computing device pursuan[...]

  • Page 32

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  • Page 33

    Appendix E. IC Information Industry Canada (IC) was form erly known as DOC. NOTE CP-01, Issue 8, Part I Section 14.1 “NOTICE: The Industry Canada la bel identifies certified equipm ent. This certification means that the equipmen t meets certain telecomm unications network protective, operational and safety requirements as prescribed in the approp[...]

  • Page 34

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  • Page 35

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  • Page 36

    Campbell Scientific Companies Campbell Scientific, Inc. (CSI) 815 West 1800 Nort h Logan, Utah 84 321 UNITED STATES www.campbellsci.com info@campbellsci.com Campbell Scientific Afri ca Pty. Lt d. (CSAf) PO Box 2450 Somerset West 7129 SOUTH AFRICA www.csafrica.co.za cleroux@csafrica.co.za Campbell Scientific Aust ralia Pty. Ltd. (CSA) PO Box 444 Thu[...]