Det-Tronics EQP Fire and Gas Detection/Releasing System - Manual (Page 119)

14.1 95-8533 6-8
EQ3740IPM INTELLIGENT
PROTECTION MODULE
POwEr rEQUIrEmENTS—
3 watts nominal, 7 watts maximum.
INPUT VOLTAGE—
24 vdc nominal, 18 to 30 vdc. 10% overvoltage will
not cause damage to the equipment.
LON cOmmUNIcATIONS—
Digital communication, transformer isolated (78.5
kbps).
TEmPErATUrE rANGE—
Operating: –40°F to +185°F (–40°C to +85°C).
Storage: –67°F to +185°F (–55°C to +85°C).
HUmIdITY rANGE—
0 to 95% RH, non-condensing.
dImENSIONS—
Refer to Figure 6-3.
SHIPPING wEIGHT—
1 pound (0.45 kilograms).
CERTIFICATION—
FM / CSA: Class I, Div. 2, Groups A, B, C, D (T4).
Class I, Zone 2, Group IIC (T4).
Special conditions for safe use:
Electronic assembly must be installed in a suitable
NRTL labled NEMA rated enclosure.
INPUT / INITIATING DEVICE CIRCUITS - CONTACT
MONITOR TYPE - CHANNEL 1 - 3
note
An input must be active for at least 750
milliseconds in order to be recognized.
UNSUPErVISEd INPUT—
Two state input (on/off).
Normally open contact.
No EOL resistor required.
SUPErVISEd INPUT, cLASS b—
Two state input (active/trouble):
End of Line Resistor 10 K ohms ±20%
Open Circuit > 45 K ohms
Active Circuit < 5 K ohms.
SUPErVISEd INPUT, cLASS b—
Three State input (active/short/open):
End of Line Resistor 10 K ohms ±20%
In Line Resistor 3.3 K ohms ±20%
Open Circuit > 45 K ohms
Short Circuit < 1.4 K ohms
Active Circuit 2.5 K ohms to 5 K ohms.
INPUT CIRCUITS - TWO WIRE SMOKE/HEAT TYPE -
CHANNEL 4 AND 5
SUPErVISEd INPUT, cLASS b:
Up to 15 two wire detectors per circuit.
Maximum line resistance 50 ohms
5K ohm EOL
Open circuit fault impedance 22K ohms
OUTPUT / NOTIFICATION / RELEASING OR
UNSUPERVISED DEVICE CIRCUITS - CHANNEL 6-8
UNSUPErVISEd OUTPUT rATING—
Rating: 2 amperes at 30 Vdc maximum.
Note: Voltage available at outputs is dependent on
input voltage (Vout ≈ Vin – 0.5 Vdc).
OUTPUT STYLE—
Form "A" normally off.
rESPONSE TImE—
Output actuates in <0.15 second after acknowledging
an alarm command message.
No EOL resistor required.