3IF661.9   programmable interface processor

Description

Overview

Essential details：3IF661.9   programmable interface processor

The IF260 module can be used either as a CPU or as a programmable interface processor. The module recognizes the correct operating mode from the slot used (slot 3 -> CPU module).
Usually, the module is used as an interface processor to relieve the strain on the CPU. The IF260 module is equipped with a CPU section and an insert slot for interface modules.
The programmable interface processor (like with intelligent I/O processors) also has a local processor core with RISC processor, local RAM and operating system. The DPR area (“PPdpr” library) is used as a communication interface between CPU PLC and IF260. A project must be created for each parallel processor in B&R Automation Studio™.
The PLC CPU and the local processor always have access to this data area, which guarantees data consistency for data type UINT. Larger data structures cannot be be used.
The insert slot for interface modules makes it possible to integrate different bus and network systems in the B&R SYSTEM 2005.

The operational elements, display elements and an insert slot for an interface module are behind the module door.

3IF661.9   

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3IF661.9   programmable interface processor

The reset button can be pressed with any small pointed object (e.g. paper clip). The reset button is protected by the module door. Depending on the operating mode, pressing the reset buttons has different effects.

The IF260 module is equipped with a sliding switch, which can be used as an operating mode switch. The switch setting can be evaluated by the application program at any time. If the switch position is changed during operation, a warning can be generated. The operating system only interprets the switch position when switched on.

The programmable interface processor has an insert slot for interface modules.
The insert slot for interface modules makes it possible to integrate different bus and network systems in the B&R SYSTEM 2005.

If the IF260 module is operated as the CPU, the interface processor carries out cyclical monitoring of the battery voltage. The cyclic load test of the battery does not considerably shorten the battery life, instead it gives an early warning of weakened buffer capacity.
The status information, “Battery OK” is available to the user from the SYS_lib function “SYS_battery”.