Kidde 2X-AF1-S - Default Chapter; Loop Specifications

Chapter 5: Technical specifications
138 2X-A Series Installation Manual
Loop specifications
Loop configuration
Class A or Class B
Loop protocol
Kidde Excellence
Isolators
At least one isolator per loop (we recommend one
isolator for every 32 devices)
Number of loop devices
128 max.
Electrical characteristics
– maximum output
per loop
2000 Series protocol
900 Series protocol
500 mA [1]
250 mA
Supply voltage range
2000 Series protocol
900 Series protocol
17 to 28 VDC ±1% (+ protocol modulation)
17 to 28 VDC ±1% (+ protocol modulation)
Re
sistance
2000 Series protocol
900 Series protocol
52 Ω max. (26 Ω per wire)
52 Ω max. (26 Ω per wire)
Capacitance
2000 Series protocol
900 Series protocol
500 nF max.
500 nF max.
[1] Increased to 800 mA if the optional 2010-2A-PAK-HPL is installed.