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Preface Contents
Technical Description and
1
Installation Instructions
Interface to the User Program
SIMATIC NET
2
in the S7-200 CPU
Access to the Data of the AS-i
3
Slaves
CP 243-2
Signaling Errors and Diagno-
AS-Interface Master 4
stics in the User Program
5
Command Interface
Manual
Eliminating Problems /
6
Error Displays
Appendix
AS-Interface Protocol Imple-
mentation Conformance State-
A
ments
B
References
C
AS-Interface
Note on the CE Mark
D
Support and Training
Industrial Ethernet
Glossar
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Safety Guidelines This manual contains notices which you should observe to ensure your own personal safety, as well as to protect the product and connected equipment. These notices are highlighted in the manual by a warning triangle and are marked as follows according to the level of danger: Danger ! indicates that death, severe personal injury or substantial property damage will result if proper precautions are not taken. Warning ! indicates that death, severe personal injury or substantial pro
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Preface Purpose of the Manual This manual supports you when using the CP 243-2 module. It explains how to access AS-Interface actuators and AS-Interface sensors from an S7-22x CPU via this module. We recommend the following procedure when... ...You want an overall picture of the AS-Interface. – First read the ‘AS-Interface Introduction and Basic Information’ manual (not part of this documentation package). This contains general information about the AS-Interface, abbreviated to AS-i in the follo
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Preface SIMATIC NET CP 243-2 AS-i Master C79000-G8976-C142/02 ii
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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 . . . . . . . . . . . . . . . . . . . . .
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Contents 4 Signaling Errors and Diagnostics in the User Program . . . . . . . . . . . . . . . . . . . . 4-1 4.1 Signaling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 4.2 Example: Reading the Delta List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 5 Command Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 5.1 Command interface of
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Contents A AS-Interface Protocol Implementation Conformance Statement (PICS) . . . . . A-1 B References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1 C Notes on the CE Mark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1 D SIMATIC NET – Support and Training . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-1 Glossary Index SIMATIC NET C
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Contents SIMATIC NET CP 243-2 AS-i Master C79000-G8976-C142/02 vi
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Technical Description and Installation 1 Instructions This chapter outlines the basic functions of the CP 243-2 and explains how the module is installed and started up. You will get to know the following properties of the CP 243-2: The applications The technical specifications Display and control elements Configuration SIMATIC NET CP 243-2 AS-i Master C79000-G8976-C142/02 1-1
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Technical Description and Installation Instructions 1.1 General Notes on Operation – Safety Warnings Caution ! When handling and installing the CP 243-2, make sure that you keep to the ESD guidelines. The CP 243-2 must only be connected when the AS-i power supply unit is turned off. Caution ! Noise immunity/grounding To ensure the noise immunity of the CP 243-2, the CP 243-2 and the AS-i power supply unit must be correctly grounded. Caution ! The AS-i power supply unit used must provide a low v
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Technical Description and Installation Instructions 1.2 Uses of the Module DP Slave and AS-i Master The CP 243-2 module can be operated in the S7-200 programmable controller. It allows the attachment of an S7-200 to the AS-Interface (as AS-i master). Both interfaces can be used independent of each other. S7-22x CPU CP 243-2 AS-i master Active module Passive module (with slave ASIC) (without slave ASIC) AS-i power supply Actuator/sensor with slave ASIC AS-i branch AS-i cable Figure 1-1 Example o
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Technical Description and Installation Instructions Components Supplied The CP 243-2 product includes the following components: CP 243-2 Product information bulletin on the CP 243-2 SIMATIC NET CP 243-2 AS-i Master C79000-G8976-C142/02 1-4
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Technical Description and Installation Instructions 1.3 Technical Specifications of the Module The technical specifications of the CP 243-2 module are as follows: Table 1-1 Feature Explanation/Values AS-i cycle time 5 ms with 31 slaves 10 ms with 62 AS-i slaves using the extended addressing mode Configuration of the AS-Interface By a button on the front panel or using the total configuration command (refer to the description of the AS-i commands) AS-i master profiles supported M1e Attachment to
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Technical Description and Installation Instructions 1.4 Installing the Module Slots in the S7-200 The CP 243-2 can be inserted in all slots for expansion modules in the S7-200 programmable controller (CPUs 22x). Possible Restrictions There may, however, be restrictions depending on the CPU or power supply unit being used in terms of the following: Expandability with several expansion modules, For further information, refer to /4/; Electrical restrictions The maximum current consumption from
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Technical Description and Installation Instructions 1.5 Front Panel – Access to all Functions Connection, Display and Control Elements On the front panel, you have access to all the connection, display and control elements of the CP 243-2. During operation, the connection and control elements are protected by a front cover. Unused terminal block B slave display SET button Status display Display Group display button Slave display AS-i cable connection Figure 1-2 Connections, Operator Controls and
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Technical Description and Installation Instructions 1.6 Terminal Block Connections The CP 243-2 has the following connections: Two connections to the AS-i cable (bridged internally) One connection for functional ground The terminals are located under the cover of the front panel of the CP 243-2. Functional ground AS-i cables Figure 1-3 Connecting the AS-i Cable Connections to the AS-i Cable The CP 243-2 has two connections for AS-i cables that are jumpered internally on the CP 243-2. This al
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Technical Description and Installation Instructions Note Functional ground (terminal ) The CP 243-2 has a connection for functional ground. This connector should be connected to the PE conductor with as little resistance as possible. SIMATIC NET CP 243-2 AS-i Master C79000-G8976-C142/02 1-9
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Technical Description and Installation Instructions 1.7 Modes of the CP 243-2 Standard Operation In this type of operation, the user program accesses the user data of the AS-i slaves and the diagnostic data of the CP 243-2. Programming is simple and this type of operation is adequate for the majority of automation tasks. In standard operation, no commands or special parameters are transferred to the slaves. This type of operation corresponds to the profile M0 of the AS-i master specification. Ex
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Technical Description and Installation Instructions 1.8 Displays and Operator Controls Changing the Display Status – DISPLAY Button You can change between the status display (basic status), slave display and PROFIBUS display with the DISPLAY button. Each time you press the button, you change to the next display status finally returning to the initial status. In the slave display, the slaves on the AS-Interface are displayed in groups of 5 slaves. You can move on the display to the next group wit
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Technical Description and Installation Instructions 1.8.1 Status Display Interpreting the Status Display The status display is active when no group LEDs are lit. The status display is the default display in the basic status of the CP 243-2. Meaning of the LEDs The LEDs have the following meaning: Table 1-2 LED (color) Status Meaning CM (yellow) Configuration This displays the operating mode of the CP 243-2. Mode LED lit: Configuration mode LED unlit: Protected mode The configuration mode i
