Chapter 2 Devices *3: Strings are indicated by $ in Chapter 5 and Chapter 6 in the AS Series Programming Manual, but they are represented by quotes (“ ”) in ISPSoft. For example, for the string of 1234, enter “1234” in ISPSoft. *4: Used for editing in ISPSoft only. 2.1.2 Basic Structure of I/O Storage 2_ *1: Use an instruction for writing to an FR. 2.1.3 Relation Between the PLC Action and the Device Type *1: For more on setting the states, see HWCONFIG in ISPSoft. The default for PLC STOP->RUN is “clear not-latched area”. The default for PLC RUN->STOP is “clear the state of device Y”.
2-3 Device Function Access by Access by Modify by Force the bit ON/OFF bits words ISPSoft X Input relay OK OK OK OK Y Output relay OK OK OK OK M Auxiliary relay OK - OK - SM Special auxiliary relay OK - OK - S stepping relay OK - OK - T Timer OK OK OK - C Counter OK OK OK - HC 32-bit counter OK OK OK - D Data register OK OK OK OK SR Special data register - OK OK - FR File register - OK*1 - - E Index register - OK OK - Device type Non-latched area Latched area PLC action Device Y Other devices File register Other devices Power: OFF→ON Cleared Cleared Retained Retained Restore to defaults Cleared Cleared Cleared Cleared STOP ↓ RUN*1 The non-latched area is cleared.
Cleared Cleared Retained Retained The state of the non-latched area is retained. Retained Retained Retained Retained RUN ↓ STOP*1 The state of device Y is cleared. Cleared Retained Retained Retained The state of device Y is retained. Retained Retained Retained Retained SM204 is ON. Cleared Cleared Retained Retained (All non-latched areas are cleared.) SM205 is ON. Retained Retained Retained Cleared (All latched areas are cleared.)