Specifications:
● Indicators - Separate Power and Detect LED’s. The
● green Power LED will wink continuously once per second under normal
● operation. The red Detect LED will turn on solid for a vehicle.
● Sensitivity - Automatic - compensates for extra long lead-ins.
● Output Ratings - Single output, 1 amp relay at 30 VDC Resistive - The relay
common, NO, and NC contacts are available.
● Ordering Information – DSP-9LP standard version.
● Power - 10 to 30 Volts AC/DC. Approximately 3 mA (no car and all loop sizes)
and less than 25 mA with a car on the loop.
● Size - Height: 1.52” Width: 2.9” Depth: 1.56”
● Connector - Removable 7-pin terminal block. Pin assignments are shown below
- from left to right: 1 - Relay (NC) (opens for detect) Pulse2 - Relay Common
Pulse3 - Relay (NO) (closes for detect) Pulse4 - Power Common 5 - Power in
(10 to 30 Volts AC or +DC) 6 - Loop 7 - Loop
● Operating Temperature -35°F to 165°F (-37°C to 74°C)