Rockwell-automation 1769-SM2 Compact I/O DSI/Modbus Communication Modu Uživatelský manuál stáhnout pdf (Strana 67)

Understanding Explicit Messaging 5-3

Figure 5.2 RSLogix 5000 Explicit Message Setup Screen

Table 5.B RSLogix 5000 Explicit Message Configuration Data

Configuration Tab Description

Message Type Always use “CIP Generic.”

Service Type The service is used to read/write a parameter value.

Service Code Code for the requested service.

Class Class ID for the DSI Parameter Object.

Instance Instance number in the Class.

Attribute Attribute number of the Instance.

Source Element Source of the request service data.

Source Length Length of the request service data.

Destination Location where the response service data (if any) is stored.

Communication Tab Description

Path Format is <Name of Module>,2,n — where “n” equals the

channel number (1…3) on the 1769-SM2.

Tag Tab Description

Name The name for the message instruction.

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 203 204

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Rockwell-automation 1769-SM2 Compact I/O DSI/Modbus Communication Modu Uživatelský manuál Strana 67