HIMA F7553 COUPLING MODULE H-CM DCS SYSTEM

HIMA F7553 COUPLING MODULE H-CM DCS SYSTEM.THE F7553 COUPLING MODULE H-CM THE MONITORING OF THE 5 V SUPPLY OF THE I/O SUBRACK AND TRANSMITS A CORRESPONDING STATUS SIGNAL TO THE CENTRAL MODULE. THE MODULE IS AUTOMATICALLY TESTED DURING OPERATION. THE LED WD ON THE FRONT PLATE SHOWS THE EXISTING SAFETY-RELATED WATCHDOG SIGNAL. BY THE SECOND LED SEL THE ACCESS TO THE I/O MODULES OF THE APPERTAINING I/O SUBRACK IS SIGNALED. VIA THE RECESSED WD SWITCH THE WATCHDOG SIGNAL CAN BE SWITCHED OFF FOR THE APPERTAINING I/O SUBRACK TO CHANGE THE COUPLING MODULE F7553 WITHOUT TRIGGERING AN ERROR STOP FOR THE -MS AND -HS SYSTEMS.F-7553