F 7553

Overview

F 7553 is a coupling module by HIMA included in Assembly Kit B 9302 for PES H51q systems, with switch-off capability for the watchdog signal.

Indicator and Control

• LED WD: shows fail-safe watchdog signal status

• LED SEL: indicates access to IO modules of the corresponding IO subrack

• Shrouded switch WD: allows switching off the watchdog signal for module replacement without triggering system emergency-off

Monitoring and Operation

• Monitors: 5 V supply of the IO subrack

• Status signal: transmitted to the central module

• Automatic testing: performed during operation

Physical and Power Specifications

• Space requirement: 4 TE

• Operating data: 5 V DC / 600 mA, 24 V DC / 750 mA

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