Campbell SDM-CD16 Instruction Manual Download | Manualshive

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Summary of Contents for SDM-CD16

Page 1: ...6 Control Port z 0 Fl n o Fl A v z z F Ie with Drivers Campbell Scientific Inc ...

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Page 3: ...SDM CDI6 CONTROL PORT EXPANSION MODULE WITH DRIVERS INSTRUCTION MANUAL REV SION 1 92 COPYRIGHT c 1987 1988 CAMPBELL SCIENT F C tNC ...

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Page 5: ... a particular purpose CSI is not liable for special indirect incidenta or consequential damages Products may not be returned without prior authorization To obtain a Returned Materials Authorization RMA contact CAMPBELL SCIENTIFIC lNC phone 801 753 2342 Atler an application engineer determines the nature of the problem an RMA number will be issued Please write this number clearly on the outside of ...

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Page 7: ...ctions 3 5 Address Selection Jumpers 3 6 Datalogger 1nstruction 4 7 Theory of Operation 6 8 Program ExamPle 6 Figure 1 SDM CD16 Face Pane1 1 Figure 2 Application Block Diagram 2 Figure 3 Use of External Clamping Diodes For Inductive Loads With Different Supply Voltages 4 Figure 4 Address Jumper Position 5 ...

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Page 9: ... addressed Solid state FET protection Thermalfuse datalogger peripheral Datalogger control ports increases in resistance at 1 Amp allows no 1 2 and 3 are used to address the SDM CD16 current flow after 2 Amps or 125 oC clamping then clock out the desired state of each of the 16 diode prevents inductive arcing control ports Up to 16 SDM CD l6s may be addressed making it possible to control a Total ...

Page 10: ...mber of SDM CD16 s which can be powered is limited by the 300 mA current sourcing capability of the wall charger With a continuous 6 mA current drain per SDM CD16 and 11 mA per active LED a maximum of 26 LEDs may be powered by the datalogger after which current is drawn than can be sourced by the charger lf this condition is maintained it will ultimately lead to battery deep discharge requiring ne...

Page 11: ... Clamp Power Gnd Power Ground The SDM CD16 has a diode between each OUTPUT and the lND CI AMP inductive clamp see Figures 1 and 2 This diode clamps the coil current when the FET opens lf various relays or solenoids are used requiring different supply voltage levels DO NOT connect to the lND CLAMP terminal For this situation diodes must be provided externalto the SDM CD16 as shown in Figure 3 For n...

Page 12: ... is used by the CR7 The Instruction description is given below SDM CD16 outputs that are to be controlled by the datalogger must have the toggle switch in the AUTO position lnstruction 104 SDM CDI6 use with CR and 21X Parameter 1 JE Descriotion Reps of modules sequentially addressed Starting Address base 00 33 Starting lnput Execution Time 2 ms per Rep for the 3 5 ms per Rep for the 21X sDM CD16 I...

Page 13: ...SDM CD16 Control Port Expansion Module with Drivers FSSIIIHNS FBSITIBN 2 FESITIEN 6 o o FIGURE 4 Address Jumper Position ...

Page 14: ...ing another Instruction 29 for each 725 Excitation Card used Instruction 29 SDM CD16 use with CR7 Description Reps of modules sequentially addressed Device 2 SDM CD16 Starting Address base 4 00 33 Card Starting Input Location Execution Time 150 to 190 ms per Rep 7 THEORY OF OPERATION The SDM CD16 is a synchronously peripheral C2 and C3 driven high by the datalogger initiate a cycle While holding C...

Page 15: ...ouse is computed 20 24 Fan 1 5 Fan control and residing in Input Locations 1 through 5 greenhouse 1 5 SDM CD16 Port Input Location assignments are as follows 11 15 01 P 87 Beginning of Loop Master Loop End 01 0 Delay Loop at Step 30 02 5 Loop Count START HEATER CONTROL LOGIC O2 P 89 lF X F lF HEATER ON 01 1 X Loc THBESHOLD lS 02 4 EXCEEDED 03 23 5 F 04 30 Then Do THEN 03 P 30 Z F 01 1 F 02 0 Expon...

Page 16: ...oc SEE tF COOLER SHOULD BE O2 4 TURNEDOFF 03 24 5 F SDM CD16 Control Port Expansion Module with Drivers 09 P 94 Else 10 P 30 Z F 01 0 F O2 0 Exponent of 10 03 10 ZLoc 11 P 95 End 04 30 Then Do 17 P 30 Z F 01 0 F 02 0 Exponent of 10 03 15 ZLoc 18 P 95 End 19 P 94 Else 20 P 30 Z F 01 0 F 02 0 Exponent of 10 03 15 ZLoc 21 P 95 End END COOLER CONTROL LOGIC ELSE IF THE HEATER IS OFF ENTER A O INTO HEAT...

Page 17: ...of 10 03 20 ZLoc 26 P 94 Else ELSE lF FLAG 1 S FESEI 27 P 30 Z F PUT A 0 INTO FAN 01 0 F CONTBOLLOCATION O2 0 Exponent of 10 03 20 ZLoc 28 P e5 End ENDTHENDO ELSE END 29 P 86 Do RESET FIAG 1 01 21 Set low Flag 1 30 P 95 End END LOOPEND MASTER LOOP END FAN CONTROL LOGIC BASED ON HEATER COOLER START FAN CONTROL LOGIC BASED ON TIME 31 P 92 lf time is lF 5 MINUTES REMAIN 01 10 minutes into a OUT OF 15...

Page 18: ...O2 00 03 10 39 P 34 P 30 01 1 O2 0 03 20 35 P 95 36 P 95 37 P 92 0 l 0 02 15 03 22 Z F F Exponent of 10 ZLoc End End lf time is minutes into a minute interual Set low Flag2 SDM CD16 Reps Address Loc End Table 1 PUT A 1 INTO FAN CONTROL LOCATION END LOOPEND FAN LOOP END THEN DOEND THEN DO lEND RESET FIAG 2 AT THE END OF THE 15 MINUTE SEND INSTRUCTIONS TO THE SDM CD16 WITH ADDRESS OO 10 ...

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