Det-Tronics EQP Fire and Gas Detection/Releasing System - Manual (Page 116)

14.1 95-8533 6-5
EQ3700 DISCRETE IO (DCIO)
MODULE
POwEr rEQUIrEmENTS—
3 watts nominal, 11 watts maximum.
INPUT VOLTAGE—
24 vdc nominal, 18 to 30 vdc. 10% overvoltage will
not cause damage to the equipment.
21 to 30 vdc for Pre-action / Deluge application.
NOTE: For deluge and pre-action applications, input
voltage to the device must be 21 vdc minimum to ensure
proper operation of the connected output device.
OUTPUT VOLTAGE—
(Input voltage – 0.5 vdc) @ 2 amperes.
OUTPUT cUrrENT—
10.0 amperes maximum total current, 2.0 amperes
maximum per channel.
LON cOmmUNIcATION—
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—
5 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).
Refer to Appendix A for FM Approval details.
Refer to Appendix B for CSA Approval details.
CE: ATEX/EMC Directive Compliant.
ATEX:
FM
APPROVED
II 3 G.
Ex nA nC IIC T4 Gc.
DEMKO 02 ATEX 133864X.
Tamb = –40°C to +85°C.
IECEx: IECEx ULD 10.0004X.
Ex nA nC IIC T4 Gc.
Tamb = –40°C to +85°C.
Note: Refer to Appendix C for ATEX and IECEx
approval details and Special Conditions for
Safe Use.
INPUT / INITIATING DEVICE CIRCUITS
UNSUPErVISEd INPUT—
Two state input (on/off).
Normally open contact.
SUPErVISEd INPUT, cLASS b—
Two state input (active/trouble):
– End of Line Resistor 10 K ohms nominal
– 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 nominal
– In Line Resistor 3.3 K ohms nominal
– Open Circuit > 45 K ohms
– Short Circuit < 1.4 K ohms
– Active Circuit 2.5 K ohms to 5 K ohms.
INPUT, TYPES—
Configurable for fixed logic applications:
– Fire Alarm
– Supervisory
– Trouble
– High Gas Alarm
– Low Gas Alarm
– Other.
FM
APPROVED
® FM
APPROVED
®
FM
APPROVED
®