Alarm System Expander

ZEL508 is a local expander that allows adding 8 hardwired zones to the Force Security System’s 8 onboard zones.
It is connected to the Force control panel via the ForceBus interface, and assembled inside the control panel’s enclosure.

Features

• 8 zone inputs
• Interfacing with the BUS
• Card and communication status LEDs
• Detection options:
  No EOL resistors: Open (Short) and Open (open circuit).
  One EOL resistor protection: Close (resistance), Open (open circuit) and short fault (short circuit)
  Two EOL resistors: Close (resistance), Open (open circuit), short fault (short circuit), and Cut fault (open circuit).
• Programmable EOL resistors
• Optional EOL loop supervision
• Sensitivity setting