User manual TOSHIBA CHANGE DETECT MODULE

[. . . ] (--­Ê, Í"ú{OEê) ·¡ 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). ·¡ Internal circuit ·¡ LED display Photo coupler 680 Internal logic 0 1. 65K Precautions (1) I/O interrupt function is available only in the main unit. [. . . ] 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. (6) 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. (7) As for details of interrupt handling and programming, refer to S2T or S2 user's manual. 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. · 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 :6F8C0905 S2T User's Manual - Basic Hard ware :6F8C0926 S2T User's Manual - Functions :6F8C0928 S2 User's Manual - Basic Hardware :6F8C0836 S2 User's Manual - functions :6F8C0837 · The contents of this guide are subject to change without prior notice. ·¡ Terminal connections 1 3 5 7 9 B D F PS COM 1 3 5 7 9 11 13 15 17 0 2 4 6 8 A C E COM : Input switch (solid-state device only) PS : DC power supply or 2 4 6 8 10 12 14 16 18 16 points/common No polarity 18 points terminal block (removable) None 200 mA or less (5 Vdc) 10M or more (at 500 Vdc) 1500 Vac, 1 minutes (between internal and external circuits) Approximately 200 g 6F8C1040 2002-9(0) ·¡ Data format (1) Basic registers Change detection status and Input data S2T XWn XWn+1 XWn+2 XWn+3 S2 %IWn %IWn+1 %IWn+2 %IWn+3 Description Rising edge detection status Falling edge detection status Input data No use (reserved) (2) Mode selection registers These registers are accessed by the special module data write instruction (WRITE instruction in S2T, MWRITE instruction in S2). Address 0 1 2 5 4 3 2 1 0 Description Rising edge detection select register Falling edge detection select register Change detection enable register ·¡ Sample programs (1) S2T In the I/O interrupt program 1 2 I/O (03) XWn ·¡ Front view CD633 Type name Input indicator LED's Interrupt handling programs. [Rising edge detection status bit assignment] Bit FEDCBA9 8 7 6 US US US US US US US US US US US US US US US US [Rising edge detection select register bit assignment] Bit FEDCBA9 8 7 6 5 4 3 2 1 0 US: When corresponding bit of input data changes from OFF to ON, it sets to '1'. [Falling edge detection status bit assignment] Bit FEDCBA9 8 LS LS LS LS LS LS LS LS UE UE UE UE UE UE UE UE UE UE UE UE UE UE UE UE 3 IRET Input terminal block UE: When '1', the interrupt is generated at the time of corresponding input is changed OFF to ON. ·i Initial value is all '1'·j [Falling edge detection select register bit assignment] Bit FEDCBA9 8 7 6 LE LE LE LE LE LE LE LE LE LE 7 LS 6 LS 5 LS 4 LS 3 LS 2 LS 1 LS 0 LS LS: When corresponding bit of input data changes from ON to OFF, it sets to '1'. [Input data bit assignment] Bit FEDCBA9 8 7 6 FEDCBA9 8 7 6 This register reflects the current input signal status. 5 LE 4 LE 3 LE 2 LE 1 LE 0 LE (2) S2 In the interrupt task [Variable declaration] VER_EXTERNAL CD_STS0 :WORD; CD_STS1 :WORD; CD_DATA :WORD; END_VER VER_TEMP STS0 STS1 DATA END_VER 12-24Vdc IN Specifications 5 5 4 4 3 3 2 2 1 1 0 0 LE: When '1', the interrupt is generated at the time of corresponding input is changed ON to OFF. ·i Initial value is all '0'·j [Change detection enable register bit assignment] Bit FEDCBA9 8 7 - 6 - 5 - 4 - 3 - 2 - 1 - 0 DE :WORD; :WORD; :WORD; ·¡ External dimensions 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. [. . . ] 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. Interrupt handling programs. Refer to the engineering tool manual and the instruction manual for details of the programming. 115 143 with base unit 135 137 Dimensions in millimeters. [. . . ]