Specifications; Inputs; Outputs; Communication - Contemporary Controls BASstat BAST-421C-B2 User Manual

2 Specifications

Inputs

2.1
Item
Temperature Display Range
Temperature Display Resolution
Temperature Accuracy
Energy Savings Input
Setpoint Range
Remote Temperature Sensor

Outputs

2.2
Item
Relay Output
Analog Outputs
Contact Rating
Minimum contact life

Communication

2.3
Item
Protocol Compliance
Physical Layer
Baud Rate
Cabling

Electrical

2.4
Item
Supply Voltage and Current
Power Source Class
Internal Power Supply
UM-15093000-AA1
-22 to 248 °F (-30 to 120.0°C) with suitable sensor
0.1°F (0.1°C)
±1.8°F (±1.0°C) with all outputs off
Provision for external occupancy sensor
32-122°F (0-50°C) in 0.5° (°F or °C) increments
Provision for NTC Type 3kΩ thermistor
Fan
0-10v modulating AO1 (cooling), AO2 (heating)
SPST 2A at 30 VAC with inductive load
100,000 cycles
BACnet/MSTP with B-ASC, BTL Listed
RS-485 2-wire
9.6, 19.2, 38.4, 76.8 kbps (default 38.4kbps) N81 format
Shielded single-pair twisted 24 GA AWG
24 VAC (±10%) 5 VA
NFPA 70 (NEC) Article 725 Part III Class 2
Half-wave rectified and filtered DC
Description
Description
Description
Description
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