Tyco 4100U Smoke Alarm User Manual


 
8-3
The IDNet card has the following LEDs:
LED1. Normally off. Turns on steady if the IDNet card is not communicating with
the 4100 CPU.
LED2. Normally off. Illuminates to indicate a problem with the IDNet lines.
Steady on indicates channel failure.
One repetitive blink indicates a line short.
Two repetitive blinks indicate a Class A failure or an open line.
Table 8-1. IDNet Specifications
Electrical Specifications
Input Voltage 24 VDC nominal from FACP (24V Card Supply from SPS)
Coms/Power
Voltage to
IDNet Slaves
30 VDC (nominal) or 35 VDC @ 250 mA
36.5V max (See below)
Coms/Power
Current Limit
350mA ave current @ 49° C
Coms/Power
Wiring
Distance
40 Ohms max loop resistance
0.58 µF capacitance max (line to line and shield to line)
Environmental Specifications
Operating
Temperature
0° to 50° C
Voltage output to IDNet is normally 30 VDC. Output is increased to 35 VDC
when LEDs, piezos, or other outputs are activated, as in the alarm state.
The 30/35V PSU on the IDNet is rated at greater than 350mA. The current limit
is provided by a PTC.
Up to 250 IDNet devices are supported by one IDNet channel.
The IDNet card keeps track of which LEDs should be on at all times, and
displays up to 20 at any given time.
Up to 43 coded piezo sounders are supported by one IDNet channel.
The IDNet Card, Continued
LEDs
Specifications