Rockwell-automation 1769-SM2 Compact I/O DSI/Modbus Communication Modu Instrukcja Użytkownika Pobierz pdf (Strona 175)

CIP/DSI Objects C-5

Instance Attributes

CIP Parameter Object (Continued)

Attribute

Access

Rule

Name Data Type Description

(1)

Access rule is defined in bit 4 of instance attribute 4. 0 = Get/Set, 1 = Get.

Parameter Value

(2)

Specified in descriptor, data type, and data size.

(3)

Value varies based on parameter instance.

2 Get Link Path Size USINT 0 = No link specified

n = The size of Attribute 3 in bytes

3 Get Link Path

(4)

Refer to the CIP Common specification for a description of the link path.

4 Get Descriptor WORD 0 = False, 1 = True

Bit 1 = Supports ENUMs

Bit 2 = Supports scaling

Bit 3 = Supports scaling links

Bit 4 = Read only

Bit 5 = Monitor

Bit 6 = Extended precision scaling

5 Get Data Type USINT 0xC2 = SINT (8-bits)

0xC3 = INT (16-bits)

0xC4 = DINT (32-bits)

0xC6 = USINT (8-bits)

0xC7 = UINT (16-bits)

0xCA = REAL (32-bits)

0xD2 = WORD (16-bits)

6 Get Data Size USINT

(3)

7 Get Parameter Name

String

SHORT_

STRING

(3)

8 Get Units String SHORT_

STRING

(3)

9 Get Help String SHORT_

STRING

Null string

10 Get Minimum Value

(1) (3)

11 Get Maximum Value

(1) (3)

12 Get Default Value

(1) (3)

13 Get Scaling Multiplier UINT

(3)

14 Get Scaling Divisor UINT

(3)

15 Get Scaling Base UINT

(3)

16 Get Scaling Offset UINT

(3)

17 Get Multiplier Link UINT

(3)

18 Get Divisor Link UINT

(3)

19 Get Base Link UINT

(3)

20 Get Offset Link UINT

(3)

21 Get Decimal Precision USINT

(3)

1 2 ... 170 171 172 173 174 175 176 177 178 179 180 ... 203 204

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