Campbell SC105 CS User manual - 1.  General Description

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Manual is about: CS I/O to RS-232 Interface

Summary of SC105 CS

  • Page 1

    User guide issued: 30.12.13 copyright © 2004-2013 campbell scientific inc. Printed under licence by campbell scientific ltd. Csl 36 sc105 cs i/o to rs-232 interface.

  • Page 3: Guarantee

    Guarantee this equipment is guaranteed against defects in materials and workmanship. This guarantee applies for twelve months from date of delivery. We will repair or replace products which prove to be defective during the guarantee period provided they are returned to us prepaid. The guarantee will...

  • Page 5: Please Read First

    Please read first about this manual please note that this manual was originally produced by campbell scientific inc. Primarily for the north american market. Some spellings, weights and measures may reflect this origin. Some useful conversion factors: area: 1 in 2 (square inch) = 645 mm 2 length: 1 ...

  • Page 7: Contents

    I contents pdf viewers: these page numbers refer to the printed version of this document. Use the pdf reader bookmarks tab for links to specific sections. 1. General description ................................................... 1 2. Specifications .....................................................

  • Page 9: 1.  General Description

    1 sc105 cs i/o to rs-232 interface 1. General description figure 1-1. Sc105 cs i/o to rs-232 interface the sc105 (figure 1-1) is used to interface a campbell scientific datalogger to any modem that is configured with an rs-232 dce (data communications equipment) serial port. The sc105 is an intellig...

  • Page 10: 2.  Specifications

    Sc105 cs i/o to rs-232 interface 2 2. Specifications rs-232 9-pin male connector pin-out: pin no. I/o name description 1 in dcd data carrier detect (no connection) 2 in rxd received data 3 out txd transmitted data 4 out dtr data terminal ready 5 gnd signal ground 6 in dsr data set ready (no connecti...

  • Page 11: 3.  Set-Up Menu

    User guide 3 rs-232 baud rates: the sc105 will support the following baud rates: 1200, 9600, 19200, 38400, 57600, and 115200 rs-232 parity and data the sc105 supports the following: parity: even, odd, none data bits: 7, 8 cs i/o port modes: csdc, sdc, me, addressed print device for p96 output electr...

  • Page 12

    Sc105 cs i/o to rs-232 interface 4 sc105 - sw version 2.0 main menu: current configuration (1) cs i/o port configuration [modem enable] (2) rs-232 port configuration [9600] (3) restore factory defaults (4) save and exit (5) exit w/o saving settings (9) help enter choice: figure 3-1. Set-up menu 3.1 ...

  • Page 13: 4.  Installation

    User guide 5 for sdc address 7, 8, 10, or 11, dtr will always be driven to +5 v. Rts will ‘key’ the data; it will be driven (+5 v) 20 ms prior to data being sent out the rs-232, and remain driven for 5 seconds after the last data is sent out the rs-232. ‘custom mode’: this mode is identical to the ‘...

  • Page 14

    Sc105 cs i/o to rs-232 interface 6 table 5-1. Approximate range, miles and km data rate 19 gauge (0.9 mm) 24 gauge (0.5 mm) 26 gauge (0.4 mm) bps miles km miles km miles km 9,600 6.2 10.0 2.8 4.5 2.0 3.3 1,200 7.6 12.2 3.4 5.5 2.5 4.0 5.1 rad modem – two way 4-wire unconditioned telephone line or tw...

  • Page 15

    User guide 7 figure 5-2. Installation of spark gap protection occasionally, a customer needs to transmit data across longer or smaller gage wires or at higher speeds than can be done with the rad modem powered by the sc105. Rad does sell a 9-volt power supply that will boost the signals enough to me...

  • Page 16

    Sc105 cs i/o to rs-232 interface 8 com port of the computer. Once the emulator program is set up, testing can proceed as follows: 1. Disconnect the four conductor cables from the srm-6a rad modem at the computer end. Jumper the xmt + to rcv + and jumper the xmt – to rcv –. This creates a transmit lo...

  • Page 17

    User guide 9 valid modes by operating system: modem enable sdc 7, sdc 8, sdc 10, sdc 11 sdc 9 standard os (array) x x table data os x pakbus os x x 7. Freewave radio application typically, the freewave radios will be used in a pakbus network, with pakbus os dataloggers. With a pakbus datalogger, the...

  • Page 18

    Campbell scientific companies campbell scientific, inc. (csi) 815 west 1800 north logan, utah 84321 united states www.Campbellsci.Com info@campbellsci.Com campbell scientific africa pty. Ltd. (csaf) po box 2450 somerset west 7129 south africa www.Csafrica.Co.Za sales@csafrica.Co.Za campbell scientif...