GST I 9301 Addressable Single Input Output Module

KTI00700100ASOM

Product Description

The GST I-9301 is an intelligent addressable single input and output module designed to integrate auxiliary fire control equipment and plant shutdown interfaces into compatible fire alarm loops.

Make/Brand: GST
Model: I-9301
Operating Voltage: 24 VDC nominal (16 VDC to 28 VDC range)
Loop Current: 1 mA standby, 5 mA action/alarm
Switching Output Capacity: Passive relay contacts 5 A at 24 VDC (3 A at 110 VAC); Active output 24 VDC at 1 A
Addressing: Electronic programming (1 to 242 addresses), occupies 1 loop address
Line Monitoring: Monitored 4-wire mode with 4.7 kΩ end-of-line resistor for open/short circuit detection
Ingress Protection: IP30
Compliance: EN 54-18:2005
Compatibility: GST intelligent fire panels (GST 200, GST 200-2, GST 5000, GST 9000, GST-IFP8)

KTI00700100ASOM

Price

₹ 2,329.00 excl. GST

+ 18.00% GST. Freight after pincode at cart.

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Product Details
Available Brands	GST
Unit	Numbers
HSN Code	85311020
Weight	0.12 kg
Dimension	L 12 x W 8 x H 3.9 cm cm ft in m
Warranty	12 Months Warranty
Tags/categories	Safety Fire Safety Solutions Fire Alarm System Addressable Fire Alarm System

Usually dispatched within 2 days

About this product .

The GST I-9301 Addressable Single Input/Output Module is engineered for professional commercial and industrial life safety installations. Built with an ivory white ABS enclosure, the unit features a practical two-part plug-in design that secures firmly to a standard back box or GST B-9310 surface housing, facilitating straightforward wiring termination and maintenance.
Equipped with an onboard microprocessor, the module coordinates direct communication with the intelligent fire alarm control panel. It operates across a nominal 24 VDC loop voltage (16 VDC to 28 VDC), maintaining an efficient standby current draw of 1 mA and a maximum active current draw of 5 mA.
Flexible switching capabilities support both two-wire volt-free contact switching (rated 5 A at 24 VDC or 3 A at 110 VAC) and monitored four-wire output delivering 24 VDC at 1 A. When configured in four-wire mode, the circuit is continuously supervised using a parallel 4.7 kΩ end-of-line resistor to report open or short circuits and power loss back to the master panel.
Electronic addressing is assigned electronically across addresses 1 through 242 via the GST handheld programmer (P-9910 or P-9910B), eliminating mechanical dip switch errors. The unit is compliant with EN 54-18:2005 specifications and holds an IP30 ingress protection rating for indoor applications.
Commonly installed to control lifts, fire doors, dampers, conventional sounder strobes, and smoke extraction equipment, the module provides dependable plant interlock functionality across enterprise facilities, data centres, and industrial complexes.

Product Information .

Hospitals, Clinics Shopping Malls, Showrooms Government Buildings, Offices Banks Airports Railways, Bus Stations Conference Rooms Auditorium Conference Hall Production Floors Construction Sites

System and Hardware Compatibility

The GST I-9301 Addressable Single Input/Output Module is engineered for seamless integration within Gulf Security Technology (GST) intelligent fire alarm networks. Featuring an integrated microprocessor, the unit manages digital communication protocol timing, continuously monitors output loop integrity, and signals status feedback directly to the network host.

Intelligent Control Panel Compatibility

The I-9301 is designed for direct integration onto the addressable detection loops of GST intelligent fire alarm control panels (FACPs). Compatible control panel models include:

GST 200 Intelligent Fire Alarm Control Panel
GST 200-2 Single/Dual Loop Addressable Fire Alarm Panel
GST 5000 Intelligent Modular Fire Alarm Control Panel
GST 9000 Large-Scale Network Intelligent Fire Alarm Panel
GST-IFP8 Intelligent Fire Alarm Control Panel

The module occupies a single address on the panel loop, with electronic addressing configurable across the 1 to 242 address spectrum via dedicated loop commissioning tools.

Field Programming and Configuration Hardware

Loop address assignment and functional operational mode selection are programmed across the primary loop terminals prior to or following installation. The I-9301 is fully compatible with:

GST P-9910 Handheld Programmer
GST P-9910B Handheld Intelligent Programmer

Connecting the handheld programmer across terminals Z1 and Z2 allows commissioning engineers to configure operating parameters and mode presets without requiring physical DIP switches or rotary dials.

Signaling Line and Auxiliary Power Interface

The module interfaces directly with site cabling through designated terminal blocks mounted to its plug-in base:

Detection Loop (Z1, Z2): Non-polarized connection to the FACP addressable loop circuit, operating within an operational voltage range of 16VDC to 28VDC (24VDC nominal). The module draws 1mA during supervisory standby and 5mA in alarm/action state. Wiring requires a minimum of 1.0 mm² (18 AWG) fire-rated cable.
External DC Power (D1, D2): Non-polarized terminals accepting a regulated 24VDC auxiliary line (operating tolerance 16VDC to 28VDC). Required when operating in active output configurations. Wiring requires a minimum of 1.5 mm² fire-resistant cable.

Auxiliary Plant and Actuator Equipment Compatibility

The I-9301 interfaces with external equipment across two distinct software-selectable operational configurations:

Two-Wire Mode (Volt-Free Dry Contacts): Utilizes passive relay terminals NC (Normally Closed), COM (Common), and NO (Normally Open). Designed for interfacing with building management systems, elevator/lift ground return triggers, HVAC damper actuators, smoke exhausters, and fire door electromagnetic holders. Relay contacts are rated for resistive loads up to 5A at 24VDC or 3A at 110VAC.
Four-Wire Mode (Powered Active Output): Utilizes polarity-sensitive terminals S+ and S- delivering a supervised 24VDC active output up to 1A. In this mode, the module connects directly to conventional notification appliances, such as the GST C-9403 conventional sounder strobe. Circuit fault monitoring requires a parallel 4.7kΩ end-of-line (EOL) resistor across the monitored output load.

Physical Mounting Infrastructure

Constructed with a two-part plug-in base design, the I-9301 enclosure mounts directly to standard electrical back boxes with 6.5 cm mounting hole spacing. For conduit-based wall installations, it is dimensionally compatible with the GST B-9310 surface mount back box.

Installation, Mounting & Wiring Guide for GST I-9301

Mechanical Mounting and Enclosure Preparation

The GST I-9301 Addressable Single Input/Output Module is constructed from ivory white ABS plastic with an ingress protection rating of IP30. Measuring 120 mm x 80 mm x 39 mm, the unit incorporates an ergonomic two-part plug-in design consisting of a dedicated mounting base plate and the plug-in microprocessor module assembly. This structure allows field wiring to be completed, terminated, and inspected before the active electronics module is plugged into position.

The base plate is designed for direct installation onto standard single-gang electrical back boxes featuring a 6.5 cm mounting hole spacing. For installations where wiring conduits are run on wall surfaces, the unit is fully compatible with the GST B-9310 surface mount back box. Mount the base plate securely to a flat vertical surface within ambient operational environments between -10°C and +50°C (with capability up to +55°C) and relative humidity levels below 93% non-condensing.

Cable Selection and Terminal Wiring

Reliable operation requires compliance with specific wiring and conductor standards. Signal loop lines require a minimum of 1.0 mm² (18 AWG) fire-resistant cable, while external 24VDC power feeds require a minimum of 1.5 mm² fire-resistant cable, in accordance with applicable local electrical and life safety codes.

Detection Loop (Z1, Z2): Connect to the intelligent fire alarm control panel loop network. These connections are polarity-insensitive (non-polarized).
External Power Line (D1, D2): Connect to an external 24VDC auxiliary power supply (operating range 16VDC to 28VDC). These terminals are non-polarized and are utilized when operating in four-wire mode to supply power to connected field devices.
Passive Output Mode (Two-Wire): Terminate dry relay output connections at NC (Normally Closed), COM (Common), and NO (Normally Open). These volt-free contacts support switching ratings up to 5A at 24VDC or 3A at 110VAC for interfaced mechanical equipment such as fire doors, damper actuators, smoke exhausters, and elevator recalls.
Active Output Mode (Four-Wire): Terminate polarity-sensitive loads across S+ and S- for active 24VDC (rated up to 1A) output. To allow microprocessor loop monitoring against open circuits and short circuits, wire a 4.7kΩ end-of-line resistor in parallel across the load (such as a C-9403 conventional sounder strobe).

Terminal Connection Reference

Terminal Marking	Polarity	Function & Voltage Rating
Z1, Z2	Non-polarized	GST Intelligent Loop signal connection (nominal loop standby 1mA, alarm 5mA)
D1, D2	Non-polarized	External 24VDC power supply input (operating tolerance 16VDC to 28VDC)
COM, NO, NC	Volt-free contacts	Passive relay output: 5A @ 24VDC / 3A @ 110VAC
S+, S-	Polarity-sensitive	Active monitored output: 24VDC @ 1A (requires parallel 4.7kΩ EOL resistor)

Electronic Addressing and Commissioning

The GST I-9301 utilizes digital electronic addressing rather than mechanical DIP switches. Addressing is performed across loop terminals Z1 and Z2 using a GST handheld programmer (model P-9910 or P-9910B). The module occupies one single address on the detection circuit within the programmable range of 1 to 242.

Prior to snapping the module onto the terminated base plate, program the designated loop address and set the functional working mode (two-wire volt-free mode or four-wire monitored active mode) via the handheld programmer. Once programmed, push the module firmly onto the base plate to seat the terminal pins. Upon loop powering from compatible intelligent panels (including the GST 200, GST 200-2, GST 5000, GST 9000, and GST-IFP8), verify that the module communicates correctly, reports power supply integrity, and monitors output loops for open or short faults in accordance with EN 54-18:2005 specifications.

Industrial and Commercial Application Scenarios for the GST I-9301 Addressable I/O Module

The GST I-9301 Addressable Single Input/Output Module bridges GST intelligent fire alarm control panels (including GST 200, GST 200-2, GST 5000, GST 9000, and GST-IFP8) with external third-party plant, ventilation equipment, life-safety hardware, and auxiliary notification devices. Certified to EN 54-18:2005, the unit provides command execution and contact monitoring within critical commercial and industrial building safety architectures.

Elevator Recall and Vertical Transport Control

During a verified fire incident, passenger lifts must be removed from general service and grounded to designated egress levels. The GST I-9301 operates in volt-free (two-wire) relay mode to signal lift controller panels via its passive normally open (NO) or normally closed (NC) contacts, which are rated up to 5A at 24VDC or 3A at 110VAC. By assigning the module a discrete loop address between 1 and 242, building automation engineers can write specific cause-and-effect matrix equations to recall elevators automatically upon smoke or thermal detection in elevator lobbies or lift shafts.

HVAC Fire Damper Closure and Smoke Management Interlocking

Air handling units and ductwork can quickly spread hazardous smoke and toxic fumes across fire compartments. The GST I-9301 is deployed alongside motor-driven or spring-return fire dampers, smoke dampers, and smoke exhausters. Utilizing passive switching contacts, the module breaks or makes the primary control circuit to initiate damper closure or activate smoke exhaustion plant upon panel command. The module's onboard microprocessor continuously evaluates circuit status, allowing system operators to verify command execution and relay status directly from the panel interface.

Magnetic Fire Door Release and Compartmentation

Containment of heat and smoke relies on rapid compartmentalization. The module interfaces with electromagnetic fire door holders installed across corridors and fire barrier partitions. In standard operation, door holders maintain access paths open under constant power; on fire alarm initiation, the GST I-9301 changes state to de-energize the hold-open magnets, releasing doors to latch shut under their mechanical closers. The 5A at 24VDC passive contact switching capacity accommodates multiple door release loops on a single relay branch.

Supervised Driving of Conventional Notification Appliances

When engineering legacy notification devices or high-output industrial horns, the module operates in active four-wire mode using terminals S+ and S- paired with an external 24VDC power supply (connected via terminals D1 and D2). This configuration outputs 24VDC at 1A to drive conventional notification hardware, such as the C-9403 conventional sounder strobe. In four-wire mode, circuit integrity is supervised using a parallel 4.7kΩ end-of-line resistor. The module automatically detects open circuits, short circuits, or 24VDC power outages and transmits specific fault warnings back to the GST fire panel.

Application Technical Reference

Deployment Function	Output Configuration	Electrical Capacity / EOL	Line Fault Monitoring
Plant Shutdown / Lift Grounding	Passive Relay (NO/COM/NC)	5A @ 24VDC / 3A @ 110VAC	Loop integrity monitored via Z1/Z2
Fire Damper / Fan Interlocking	Passive Relay (NO/COM/NC)	5A @ 24VDC / 3A @ 110VAC	Loop status reporting to FACP
Door Holder Release	Passive Relay (NC or NO)	5A @ 24VDC	Microprocessor status tracking
Conventional Sounder Strobes	Active 24VDC Output (S+/S-)	24VDC @ 1A	4.7kΩ resistor (short/open/power cut)

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