Title: +038=360.000-OU045T_03-PCD2.m4160 PLS SBC - Hardware Manual.pdf
The flash card is ready, and SYSWR 3x0x instructions can be executed The Flash card is not available or not ready; the diagnostic register must be retrieved and the process retried laterHardware Manual for the PCD2.M5 Series│Document 26/856; Version EN 09│2012-01-253-40Saia-Burgess Controls Ltd.PCD2.M5_ Classic CPUs and expansion housingsHardware clock/hardware watchdogWhen using the instruction SYSRD K 3x00, note the following: The battery is only set as described above where there is memory space available for the "backup DB to flash" function (i.e is correctly configured). For this reason, the diagnostics register should also be checked. A decimal value of 0 means that the flash can be used.Specification of diagnostic registerBit-no.DescriptionCause, where bit high30 (LSB) No backup possible1Header not configuredNo application on the flash card234No SYSWR access to flash cardDB/text not presentDB/text format invalid