Vighnaharta TSGR-21 - Initiating Device Circuit (IDC)

TSGR-21 GAS Release Panel User Manual
Vighnaharta Technologies Pvt. Ltd. Page 17 of 43
Pin No.
Connection
Name
Description
J4.14
GND
Ground (Not used)
J4.15
DI 3
Extra Digital Input 3 (Not used)
J4.16
DI 4
Extra Digital Input 4 (Not used)
Add-on Supply
J15.1
24+
Add-on DC supply Positive(+) (Not used)
J15.2
24-
Add-on DC supply Negative(-) (Not used)
RS-485
J15.3
D+
RS485 D+ (Not used)
J15.4
D-
RS485 D- (Not used)
J15.5
RM_IN
Remote monitoring Input + (Not used)
J15.6
GND
Ground (Not used)
Modbus Communication
J15.7
D+
Modbus D+ (Not used)
J15.8
D-
Modbus D- (Not used)
2.3.3 Initiating Device Circuit (IDC)
• No. of Initiating circuit : 2 Zone
• Type : Class B
• Wire Size : 1.5 sq. mm max.
• Operating Voltage : 27.5 VDC nominal max
• Connector : J3
• Total No. of Devices : 20 smoke detectors per zone
• Monitoring Device : 4.7k ohm, 1 W(EOL)
All zones may be configured for general fire alarm or can be disabled.