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Summary of Contents for Campbell SC932A
- Page 1 SC932A CS I/O to RS-232-DCE Interface Revision: 9/16 C o p y r i g h t © 1 9 8 7 - 2 0 1 6 C a m p b e l l S c i e n t i f i c ,...
- Page 3 Quotations for repairs can be given on request. It is the policy of Campbell Scientific to protect the health of its employees and provide a safe working environment, in support of this policy a “Declaration of Hazardous Material and Decontamination”...
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Page 5: About This Manual
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... - Page 7 • Periodically (at least yearly) check electrical ground connections. WHILE EVERY ATTEMPT IS MADE TO EMBODY THE HIGHEST DEGREE OF SAFETY IN ALL CAMPBELL SCIENTIFIC PRODUCTS, THE CUSTOMER ASSUMES ALL RISK FROM ANY INJURY RESULTING FROM IMPROPER INSTALLATION, USE, OR MAINTENANCE OF TRIPODS, TOWERS, OR ATTACHMENTS TO TRIPODS AND TOWERS...
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Page 9: Table Of Contents
RAD Modem – Two-Way ..............4 RAD Modem Wiring and Grounding ..........4 Testing RAD Modem Communication ..........6 Figures 1-1. SC932A CS I/O to RS-232-DCE Interface .......... 1 4-1. Two-Way Communication ..............4 4-2. Installation of Spark Gap Protection ............ 5 Table 4-1. -
Page 11: General Description
True RS-232 signal levels. • Power for the SC932A is supplied from the 5 V supply on pin 1 of the datalogger’s CS I/O port. The SC932A will use the 5 V supply to power the RS-232 modem if needed. -
Page 12: Specifications
SC932A CS I/O to RS-232-DCE Interface Specifications RS-232 9-Pin Male Connector Pin-out: Pin No. Name Description Data Carrier Detect (No Connection) Received Data Transmitted Data Data Terminal Ready (5 V Supply from CS I/O) Signal Ground Data Set Ready (No Connection) Request to Send –... -
Page 13: Installation
Up to 95% non-condensing Installation Connect the SC932A to the RS-232 device and to the datalogger with the SC12 9-pin cable (included). If the device has a 25-pin connector, a 9-pin female to 25-pin male adaptor is required (pn #15751). -
Page 14: Rad Modem - Two-Way
Set the DCE/DTE switch on the back of the RAD modem connected to the SC932A to DCE. For a RAD modem connected to a PC, set the DCE/DTE switch to DCE. For a RAD modem connected to a serial printer, set the DCE/DTE switch to DTE. -
Page 15: Installation Of Spark Gap Protection
Campbell Scientific (pn #5563 shown in FIGURE 4-2, pn #6536 includes a plastic case, pn #6361 includes hardware for mounting to ground lug of Campbell Scientific enclosures models ENC10/12, ENC12/14, or ENC16/18). Spark gap wiring is straight through such that pin to pin continuity exists between the two modems. -
Page 16: Testing Rad Modem Communication
To verify that the datalogger and its serial I/O port are working, try to access input memory locations using a laptop PC with the SC32B or the CR10KD Keyboard Display. If the datalogger passes tests 4, 5, and 6, then the SC932A is suspect and will need to be repaired or replaced. - Page 18 Santo Domingo, Heredia 40305 SOUTH AFRICA COSTA RICA • cleroux@csafrica.co.za • info@campbellsci.cc www.campbellsci.co.za www.campbellsci.cc Campbell Scientific Southeast Asia Co., Ltd. Campbell Scientific Ltd. 877/22 Nirvana@Work, Rama 9 Road Campbell Park Suan Luang Subdistrict, Suan Luang District 80 Hathern Road Bangkok 10250...
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