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INSTRUCTION MANUAL

SC932C 9-Pin to

RS-232-DCE Interface

Revision: 6/97

C o p y r i g h t ( c ) 1 9 9 7

C a m p b e l l S c i e n t i f i c , I n c .

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Summary of Contents for SC932C

Page 1: ...INSTRUCTION MANUAL SC932C 9 Pin to RS 232 DCE Interface Revision 6 97 C o p y r i g h t c 1 9 9 7 C a m p b e l l S c i e n t i f i c I n c...

Page 2: ...all other 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 consequen...

Page 3: ...DCE Interface A 1 A 2 Cable for Connection to a 9 Pin DCE Interface A 1 B Technical Details of Special Modes of Operation B 1 B 1 Power Modes B 1 B 2 Handshaking Lines B 1 B 3 Printer Only Output B 1...

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Page 5: ...C The SC932C can usually be connected to the RS232 device by plugging the SC932C directly into the serial connector on the RS232 device No further configuration is normally required A typical applicat...

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Page 7: ...SC932C to 25 pin DCE Interface NOTE The link between pins 4 and 4 marked with the may not be required see the section on low power operation in Appendix B A 2 CABLE FOR CONNECTION TO A 9 PIN DCE INTER...

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Page 9: ...s which do not need to source power from the SC932C This is done by not connecting pin 11 or the RTS line to the RS232 device This is because a small current will flow from the active RTS line into a...

Page 10: ...ves communications mode ME goes low there is a delay of approximately one second before serial or ring line activity from the RS232 device will re awaken the datalogger This prevents spurious messages...

Page 11: ...With 3 inputs connected DTR RTS and Tx from the SC932C of the minimum 3k input impedance and high communications activity the consumption may be up to 16mA RS232 OUTPUT LEVELS RTS 4 2 4 5V with 3k loa...

Page 12: ...active by SC932C 7 GND Signal Ground 11 in PWR If held 3 5V will force SC932C into high power mode 20 out DTR Held high if ME is high see Appendix B TABLE C 2 9 Pin Male Connector Pin out Pin No I O N...

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Page 14: ...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 Scientifi...

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