Lenze PLC Designer PLC Designer (R3-1) Bedienungsanleitung PDF herunterladen (Seite 38)

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Lenze Specific Functions

36 DMS 4.1 EN 03/2011 TD29 

2.1.4 Library: L_SM3_DriveUtil.lib (I/O-System 1000)

Basic functions of fast inputs/outputs

The I/O compound modules described below belong to the I/O system 1000. The

system is suitable for the implementation of complex automation applications and

consists of a bus coupler module and several I/O compound modules. The in-station

communication of these modules as well as the exchange of process data, parameter

data and diagnostic information takes place via an internal backplane bus.

2 digital inputs with time stamp function - EPM−S207

This "fast input" detects up to two binary control signals from the process level and

transmits these signals to the higher-level bus system. An internal 16-bit counter

(µs−ticker) can be used to record the occurrence time (latch value) of a certain event

(time stamp functionality).

Fast inputs are used for:

• Alignment of discontinuous motion to a registration mark

Flying saw / rotary knife / feed

• Alignment of continuous motion to a registration mark

Rotary processing (stamping, embossing, printing)

• Measurement of workpieces

• Position latch on virtual or real axes

Features:

• 2 digital inputs

• Up to 15 time stamp entries can be recorded

• Suitable for switches and proximity switches

2 digital outputs with time stamp function - EPM−S310

This "fast output" detects up to two binary control signals from the higher-level bus

system and transmits these signals to the process level using the time stamp

functionality. Here the setting of a certain output is based on the internal 16-bit

counter (µs-ticker).

Fast outputs are used for:

• Cam groups whose outputs need to be set very precisely depending on the

position.

Features:

• 2 digital outputs

• FIFO buffer for up to 15 time stamp entries

• Control via process image

Note: Both I/O compound modules are provided with own 16-bit counters (µs-

ticker) which must be synchronised by the RWB controller.

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Lenze PLC Designer PLC Designer (R3-1) Bedienungsanleitung Seite 38