8-relay expansion card for the FORCE system.

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

Technical specifications
Baud rate: 19,200bps
Voltage levels: 0,+12V
Relay Output: 1A, NO/NC/COM
Differential, Half Duplex
Terminal block for zone connections
Operating Voltage Range: 9-14VDC
Current Consumption: @13.8V – 40±10 mA
Molex connector for panel
Operating temperature range: -10°C to +55°C

This 8-zone expansion card, which interfaces with the system’s BUS, includes 8 dry contact inputs, single open collector output and optional tamper switch protection.