VertX V300 Twelve Output Sub-Controller



The V300 output control interface contains 12 latching Form-C relays, which can connect up to 12 devices controllable by simple contact closures, such as logic inputs for process equipment, HVAC and elevator control panels, CCTV switchers, etc. Loads exceeding 2 A @ 30 VDC should be controlled via interposing relays.


The V300 features on-board flash memory, allowing program updates to be downloaded via the network. The V300 connects to the V1000 through a high speed RS-485 network. The V1000  communicates with the system host via industry standard TCP/IP protocol over 10/100 Mbps Ethernet or the Internet. This architecture minimizes the impact on corporate LANs, by using only one TCP/IP address for every 32 Interfaces, and by handling low-level transactions on the RS-485 network.


VertX V300 Twelve Output Sub-Controller

12 latching form-C Relays

2 Aux Inputs

Tamper Input

AC & Battery Fail Inputs


Key Features

  • Off-normal status programmable for each input point (NO or NC alarm devices may be used).
  • 12 latching Form-C relays, contacts rated at 2A @ 30VDC.
  • Connects to the V1000 via RS-485.
  • Receives and processes real time commands from the V1000.
  • Reports all activity to the V1000.
  • Allows complex input/output linking when used with the V1000 and V200.
  • Attractive polycarbonate enclosure protects components from damage.
  • All connections and indicators are fully identified by silk-screened nomenclature on the cover.
  • UL 294 and UL 1076 recognized component.



5.8' W x 4.825' H x 1.275' D (147.32 mm x 122.55 mm x 32.38 mm)



13.6 oz (.38 kg)


Power Supply Requirements

60 mA @ 9-18 VDC

Recommended: supervised linear power supply with battery backup, input surge protection, and AC Fail and battery low contact outputs. Separate supervised, DC supply with battery back-up recommended for relay activated devices.


Cable Distance

RS-485 – 4000 feet (1220 m) to host using Belden 3105A, 22 AWG twisted pair, shielded 100Ω cable

Output Circuits – 500 feet (150 m), 2-conductor, using ALPHA 1172C (22AWG) or Alpha 1897C (18AWG)

Minimum wire gauge depends on cable length and current requirements.


Relay Rating

2 A @ 30 VDC maximum load


Operating Environment

Indoors, or customer-supplied NEMA-4 rated enclosure



32° to 122° F (0° to 50° C)



5% to 95% relative, non-condensing


Communications Ports

RS-485: two wire



UL 294 and UL 1076 Recognized Component for the US

CSA 205 for Canada

FCC Class A Verification

EMC for Canada, EU (CE Mark), Australia (C-Tick Mark), New Zealand, Japan

EN 50130-4 Access Control Systems Immunity for the

EU (CE Mark)