Siemens SIMATIC TIWAY 1 Manual do Utilizador descarregar pdf (Página 83)

NIM Primitives

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SIMATIC TIWAY I Series 500 NIM User Manual

Series 500 NIM Primitive Descriptions (continued)

Availability: Releases 1.1, 2.1, 2.2 and 3.0

The native Primitive 01 allows access to an attached device by using a Task

Code which is unique to the specific device addressed. By using 01, a

programmer can embed a controller-unique Task Code and can access

anything in controller memory, for example, that a VPU can access.

Request: LLLL 01 DDDD, where DDDD is defined by the task codes of the

device being accessed.

Response: LLLL 01 HH DDDD, where DDDD is defined by the task codes of

the device type accessed.

Symbol Value Definition

HH Operational status

DDDD Defined by the type of device being accessed.

Native Primitive –

Code 01

1 2 ... 78 79 80 81 82 83 84 85 86 87 88 ... 137 138

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