Change Detect Module User`s Guide
Contents
1. TOSHIBA 000000 Integrated Controller V series model 2000 I O Module Change detect DC input CD633 m USER S GUIDE m 16 Points change detect DC input module CD633 GCD633 S Thank you for purchasing the TOSHIBA product Check the package contents and use this product according to the instructions described in this guide Before using this product carefully read Safety Precautions included in the package e This guide describes the minimum information and instructions required to use the CD633 For the system design for the CD633 refer to the following related manuals Integrated Controller Vseries User s Manual S2T User s Manual Basic Hard ware S2T User s Manual Functions S2 User s Manual Basic Hardware S2 User s Manual functions 6F8C0905 6F8C0926 6F8C0928 6F8C0836 6F8C0837 The contents of this guide are subject to change without prior notice 6F8C1040 2002 9 0 Hi Data format 1 Basic registers Change detection status and Input data S2T S2 XWn IWn XWn 1 IWn 1 XWn 2 IWn 2 XWn 3 IWn 3 Description Rising edge detection status Falling edge detection status Input data No use reserved Rising edge detection status bit assignment Bt F E D C B A 9 8 7 6 5 US US US US US US US US US US US US When corresponding bit of input data changes fro Falling edge detection status bit assignment2. Bt F E D C B A 9 8 LS LS LS LS LS LS LS LS LS When corresponding bit of inpu Input data bit assignment Bt F E D C B A 9 8 7 6 FILE D IC B IA 9 8 7 6 This register reflects the current input signal status When the interrupt enable flag is set to ON DE 1 and the rising edge detection is selected UE 1 the CD633 sets corresponding bit of the change detection status register US and generates interrupt to the controller at the time of input signal change from OFF to ON As same manner when the falling edge detection is selected LE 1 the CD633 generates interrupt at the time of input signal change from ON to OFF If both UE and LE are set 1 the interrupt is generated at the time of both change from OFF to ON and from ON to OF The change detection status is cleared to 0 when the controller is read the change detection status and input data Therefore make the application program to read the change detection status and input data 3 words at the same time by the direct I O instruction in the I O interrupt program E Overview The change detect DC input module CD633 is an 16 points 12 24 Vdc input module with interrupt generation function When the input signal status of the CD633 is changed the CD633 generates an interrupt for the controller S2T S2 Wi Specification Item Specifications T
3. er Internal logic DC power supply 4 Input switch solid state device only Sample programs 1 S2T In the I O interrupt program VO 03 XWn 1 Interrupt handling programs l 2 S2 In the interrupt task Variable declaration VER_EXTERNAL VER_TEMP CD_STSO WORD STSO CD_STS1 WORD STS1 CD_DATA WORD DATA END_VER END_VER Program CD_STSO_ STSO IMOVE_WORD LD E ST CD_STS1_ STS1 IMOVE_WORD LD T ST CD_DATA_ DATA IMOVE_WORD LD ST Refer to the engineering tool manual and the instruction manual for details of the programming Precautions 1 I O interrupt function is available only in the main unit Mount the CD633 on the basic unit 2 If input wiring is long take measures to prevent erroneous input caused by noise as follows a Wiring length must be minimized Do not make unnecessary loops b Keep the input wires away at least 200 mm from power cables and high frequency lines or shield the input cables with a metal plate c To improve noise immunity use a shielded cable and or twisted pair cable d Install a bleeder resistor to reduce input impedance 3 Because the input filter time constant of CD633 is set to small CD633 may read the wrong input due to chattering of mechanical contact Use solid state device for the CD633 Also take measures to suppress noise Check the leakage current and the voltage drop of the connected solid state devices It must be wi
4. sing edge detection select register bit assignment Bt F E D C B A 9 8 7 6 5 4 3 2 1 O UE UE UE UE UE UE UE UE UE UE UE UE UE UE UE UE UE When 1 the interrupt is generated at the time of corresponding input is changed OFF to ON j Initial value is all 1 0 Falling edge detection select register bit assignment Bit F E D C B A 9 8 7 6 5 4 3 2 1 O LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE When 1 the interrupt is generated at the time of corresponding input is changed ON to OFF j Initial value is all 0 7 Change detection enable register bit assignmen Bit F E D C B A 9 8 DE When 1 change detection is enabled When 0 change detection is disabled and change detection status is cl D Initial value is 1 0 Caution I O interrupt is not generated when the bit DE is 0 After power on initializing the change detection mode of all bits is set only rising edge detection is enabled In order to change the mode of change detection write data in the mode register by the special module data write instruction WRITE instruction in S2T MWRITE instruction in S2 in the user program Refer to the instruction manual for details of the special module data write instruction Wi Internal circuit LED display Photo coupl
5. thin the CD633 specification The change detection status of CD633 is cleared to 0 when the controller read the change detection status and input data Therefore make the application program to read the change detection status and input data 3 words at the same time by the direct I O instruction in the I O interrupt program CD633 is executing the change detection operation even in the controller is HALT In order to clear the change detection status at the beginning of RUN mode make the application program to read the change detection status and input data 3 words at the first scan As for details of interrupt handling and programming refer to S2T or S2 user s manual E Front view Type name Input indicator LED s Bia lt 4 Input terminal block cedda oee 12 24Vdc IN j Specifications E External dimensions 00000060889 Dimensions in millimeters with base unit
6. ype CD633 Category Input type DC input with interrupt generation Current sinking sourcing 16 points 1 word input not update in the batch I O processing Photo coupler 12 to 24 Vdc Number of input points Insulating method Rated input voltage Range input voltage 10 2 to 26 4 Vdc Rated input current 7mA at 24 Vdc Input impedance 3 3KQ Operating Min ON voltage 9 6V voltage Max OFF voltage 3 6 V OFF to ON ON to OFF 1 ms or less Minimum input pulse width ims Internal sampling cycle 32us LED display for all points lit at ON internal logic side No of common 1 1 ms or less Delay Input signal display Configuration No of input points of common per common Polarity of common _ No polarity External connection 18 points terminal block removable Derating condition None Internal current consumption 200 mA or less 5 Vdc 10MQ or more at 500 Vdc 1500 Vac 1 minutes between internal and external circuits Weight Approximately 200 g 16 points common Insulation resistance Withstand voltage 2 Mode selection registers These registers are accessed by the special module data write instruction WRITE instruction in S2T MWRITE instruction in S2 Address Description Rising edge detection select register Falling edge detection select register Change detection enable register Ri
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