Dynalco SST-2400H Speed Switch/Transmitter - Manual (Page 10)

Options
Enclosures XP and NEMA rated enclosures are available.
Open Pickup Relay 1 switches in the event of an open or disconnected
magnetic pickup. Relay 1 will still react when its set point is
traversed (field-configurable).
NOTE: Not available with signal isolation transformer option.
Pneumatic Trip Pulses relay 1 for 100 milliseconds
Trips Dynalco SPV-200 Solenoid Pneumatic Valve on overspeed
(optional)
Underspeed
Class “C” Logic
Arms relay 2 as set point 2 is traversed on increasing speed.
Pulses relay 2 as set point 2 is traversed on decreasing speed.
Use for tripping the pneumatic SPV-200 on underspeed or for
general underspeed electrical shutdown.
Expanded
Scale Input
Provides full meter output, full proportional output, and full
set point range over a limited input range e.g. 0–1 mA and 4–20
mA over 800–1000 Hz input frequency.
Environmental
Temperature
Range
–40°F to +160°F (–40°C to +71°C ) operating
–40°F to + 180°F (–40°C to +82°C) storage
Weight 2.6 lbs (1.17 kg)
7
Getting Started