Siemens SPC3 manual Dxout

	SPC3	PROFIBUS Interface Center
Bit 0	MAC_Reset
	After it processes the current request, the SPC3 has arrived at the offline state (through
	setting the ‘Go_Offline bit’ or through a RAM acces violation).
Bit 1	Go/Leave_DATA_EX
	The DP_SM has entered or exited the ‘DATA_EX’ state.
Bit 2	Baudrate_Detect
	The SPC3 has exited the ‘Baud_Search state’ and oundf a baud rate.
Bit 3	WD_DP_Control_Timeout
	The watchdog timer has run out in the ‘DP_Control’ WD state.
Bit 4	User_Timer_Clock
	The time base for the User_Timer_Clocks has run out (1/10ms).
Bit 5	Res
	For additional functions
Bit 6	Res
	For additional functions
Bit 7	Res
	For additional functions
Bit 8	New_GC_Command
	The SPC3 has received a ‘Global_Control telegram’with a changed ‘GC_Command-
	Byte,’ and this byte is stored in the ‘R_GC_Command’ RAM cell.
Bit 9	New_SSA_Data
	The SPC3 has received a ‘Set_Slave_Address telegram’ and made the data available
	in the SSA buffer.
Bit 10	New_Cfg_Data
	The SPC3 has received a ‘Check_Cfg telegram’ andmade the data available in the Cfg
	buffer.
Bit 11	New_Prm_Data
	The SPC3 has received a ‘Set_Param telegram’ andmade the data available in the
	Prm buffer.
Bit 12	Diag_Puffer_Changed
	Due to the request made by ‘New_Diag_Cmd,’ SPC3 xchanged the diagnostics buffer
	and again made the old buffer available to the user.
Bit 13	DX_OUT
	The SPC3 has received a ‘Write_Read_Data telegram’ and made the new output data
	available in the N buffer. For a ‘Power_On’ or fora ‘Leave_Master,’ the SPC3 deletes
	the N buffer and also generates this interrupt.
Bit 14	Res
	For additional functions
Bit 15	Res
	For additional functions

Figure 5.4: Interrupt Request Register, IRR Bit 15..0 (writable and readable)

SPC3 Hardware Description	V1.3	Page 23
Copyright (C) Siemens AG 2003 All rights reserved.		2003/04