Velocity VL-SLC, Installation Instructions Manual

Page: 6 / 7

www.velocitydetection.com Doc: GLT-294-7-2 Issue: 001 Date: 04/03/20
Front Unit LED Indications
LED Indication Description
Wire Break + (Yellow) Illuminated yellow when a loop break on the positive line is detected.
Wire Break - (Yellow) Illuminated yellow when a loop break on the negative line is detected.
Short A (Yellow) Illuminated yellow when a short circuit on the loop A side is detected.
Short B (Yellow) Illuminated yellow when a short circuit on the loop B side is detected.
Loop TX (Green) Flashing green when the loop card is transmitting information.
Loop RX (Green) Flashing green when the loop card is receiving information.
Com. (Green) Pulses to show communication between the module and the motherboard.
Specifications
Specification VL-SLC
Part Number 62-400
Design Standard UL864 10
th
Edition
Approval UL Laboratories
Rated Voltage 35VDC Nominal (24V - 39V)
Maximum SLC Current 200mA 500mA
Maximum SLC Resistance 50Ω (25Ω per core) 20Ω (10Ω per core)
Maximum SLC Capacity 254 Addresses
Maximum SLC Cable Length *2KM
Maximum SLC Capacitance 100nF
Maximum SLC Baud Rate 4334 bits per second (typical)
Maximum Ground Fault Impedance 10KΩ
Wiring Class Class X or Class A [Power limited & Supervised]
Operating Temperature 0°C (32°F) to 49°C (120°F)
Max Humidity 93% Non-Condensing
Size (mm) (HxWxD) 105mm x 57mm x 47mm
Weight 0.15KG
Recommended Cable Sizes 18 AWG to 14 AWG (0.8mm
2
to 2.5mm
2
)
*Depending on what cable size is used. A 2KM maximum SLC distance is assuming 2.5mm
2
(14AWG) cables is used
.
Compatible Devices/Accessories
Model No. Description
VDOT-PY Addressable Photoelectric Smoke Detector
VDOT-PY/7 Addressable Photoelectric Smoke Detector (UL 268 7
th
edition)
VDOT-PYH Addressable Multisensory Detector
VDOT-PYH/7 Addressable Multisensory Detector
(UL 268 7
th
edition)
VDOT-H2 Addressable Heat Detector
VDOT-H2-H Addressable High Temperature Heat Detector
VDOT-DPH Addressable Dual Optical/Heat Detector
VDOT-MiniIP Addressable Mini Input Module
VDOT-DIP-SCI Addressable Dual Input Module with SCI
VDOT-DOP-SCI Addressable Relay Dual Output with SCI
VDOT-DOP-AC240V-SCI Addressable Relay Dual Output Module for AC240v with SCI
VDOT-ZMU Addressable Conventional Zone Module with SCI