D-8. Alarm Contacts Terminal Block
The Hydran M2-X is equipped with five SPDT (single pole double throw) alarm
relays. The alarm contacts of these relays are located on the left side of the
electronic card cage (see Figure D-15 on the next page). The connections are
described in Table D - 5.
Figure D - 14: Wiring of the Alarm Contacts Terminal Block
The recommended alarm cable has multi-stranded copper, 600-V multi-
conductors, as well as an inner shield, a steel armor and a PVC overall jacket.