Quest Controls BACnet T-Stat Manual de Serviço descarregar pdf (Página 53)

100

101

BACnet/IP Controller 750-830 • 53

Hardware

WAGO-I/O-SYSTEM 750

BACnet/IP Controller

3.1.3.6 Mode Selector Switch

The mode selector switch is located behind the cover flap.

Mode switch

UPDATE FIRMWARE

RUN

STOP

RESET

(pushing down)

Fig. 3-4: Mode Selector Switch g01xx10e

The switch is a push button or sliding switch with three positions and a push-

button function.

The sliding switch is designed for a number of operations in compliance with

EN61131T2.

Tab. 3-4: Functions of the Mode Selector Switch

Mode Selector Switch Function

From center to top position Firmware and PFC applications will be executed (acti-

vate program processing/“RUN“)

From top to center position Firmware will be executed; PFC application halted (stop

program processing/“STOP“)

Lower position Controller starts the operating system loader

Pressed down

(e.g., using a screwdriver)

Hardware reset

All outputs and flags are reset; variables are set to 0 or to

FALSE or to an initial value.

Retain variable or flags are not changed. A hardware

reset can be performed either at STOP or at RUN at any

position of the mode selector switch!

The operating mode is changed internally at the end of a PFC cycle.

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