Panasonic FP2 User Manual

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Contents

Panasonic FP2 User Manual Manual pdf 82 page image

FP2 Serial Data UnitSpecifications7 − 67.3 Table of I/O Contacts7.3 Table of I/O ContactsI/O allocationFunctions such as handshaking and error signals with the CPU unit are handled by theX and Y contacts allocated to the serial data unit. The I/O of 16 X and 16 Y points areallocated to the serial data unit. The I/O numbers change depending on the slot positionat which the serial data unit is installed and the I/O of other unit.Input number tableInput signal Name ContentsX0 COM.1 Sending completedflagGoes on when sending has been completed.Goes off when sent buffer is cleared.XI Reception completedflagGoes on when data has been successfully received.Goes off when received buffer is cleared.X2 COM.2 Sending completedflagGoes on when sending has been completed.Goes off when sent buffer is cleared.X3 Reception completedflagGoes on when data has been successfully received.Goes off when received buffer is cleared.X4 COM.1(* Note 1)Framing error Goes on if the data length or stop bit of the received datais different from the setting.X5( Note 1)Parity error Goes on if the parity of the received data is different fromthe setting.X6 Buffer full error Goes on if the received buffer is full.X7 Received messagelength errorGoes on if the frame length of the received data exceeds500 bytes.X8 Sent message lengtherrorGoes on if the frame length of the sent data exceeds 500bytes.X9 COM.2(* Note 1)Framing error Goes on if the data length or stop bit of the received datais different from the setting.XA( Note 1)Parity error Goes on if the parity of the received data is different fromthe setting.XB Buffer full error Goes on if the received buffer is full.XC Received messagelength errorGoes on if the frame length of the received data exceeds500 bytes.XD Sent message lengtherrorGoes on if the frame length of the sent data exceeds 500bytes.XE Software reset completed flag(*Note 2)This is normally on. It goes off while a software reset is inprogress, and goes on at the same time that the softwarereset is completed. (This is used when using the sharedmemory to change the communication format.)XF Not used ————Notes1) Error flags go off when data is successfully received, or whena software reset is carried out.2) A software reset takes approximately 100 ms, from the timewhen the software reset signal Y1D goes on to the point wherethe reset is completed.