Siemens CP 243-2 installation instructions Contents

Contents

1	Technical Description and Installation Instructions		1-1
	1.1	General Notes on Operation ± Safety Warnings	1-2
	1.2	Uses of the Module	1-3
	1.3	Technical Specifications of the Module	1-5
	1.4	Installing the Module	1-6
	1.5	Front Panel ± Access to all Functions	1-7
	1.6	Terminal Block	1-8
	1.7	Modes of the CP 243-2	1-10
	1.8	Displays and Operator Controls	1-11
	1.8.1	Status Display	1-12
	1.8.2	Slave Display	1-14
	1.9	Configuring the AS-Interface with the SET Button	1-16
2	Interface to the User Program in the S7-200 CPU		2-1
	2.1	Overview	2-2
	2.2	Addressing the CP 243-2 in the S7-200 CPU	2-4
	2.3	Meaning of the Data in the Digital Module	2-7
	2.3.1	Identification Register in the Digital Module	2-8
	2.3.2	Error Register in the Digital Module	2-9
	2.3.3	Status Byte (Input Register 8DI)	2-10
	2.3.4	Control Byte (Output Register 8DO)	2-11
	2.4	Meaning of the Data in the Analog Module	2-12
	2.4.1	Identification Register in the Analog Module	2-13
	2.4.2	Error Register in the Analog Module	2-14
	2.5	Access to the Analog Input and Output Words	2-16
	2.5.1	Analog Input Area	2-18
	2.5.2	Analog Output Area	2-21
3	Access to the Data of the AS-i Slaves		3-1
	3.1	Access to the Binary Data of the AS-i Slaves	3-2
	3.1.1	Addressing the AS-i Slaves in the User Program	3-2
	3.1.2	Access to the AS-i User Data	3-7

3.2Access to the Analog Data of the AS-i Slaves

	(Slaves complying with Profile 7.3 or 7.4)	3-8
3.2.1	Addressing the Analog AS-i Slaves in the User Program	3-8
3.2.2	Access to the AS-i Analog Data	3-15

SIMATIC NET CP 243-2 AS-i Master	iii
C79000-G8976-C142/02