TSI Instruments FHC50

71
Appendix A
Specifications*
Digital Interface Module
Display
Range ........................................
0 to 1,000 ft/min (0 to 5.08 m/s)
0 to 10,000 cfm (0 to 4,720 l/s, 0 to 16,990 m
3
/hr)
Resolution .................................
1 ft/min (0.01 m/s)
1 cfm (1 l/s, 1 m
3
/hr)
Inputs
Type ...........................................
Three (3) Total
Choice of: Sash Position, Sash Contact, Setback In,
Emergency In
Signal .........................................
Sash Position: 0-10,000 
Sash Contact, Setback In, Emergency In: SPST (N.O.)
Switch. Closing switch initiates condition.
Flow Input ..................................
0 to 10VDC
Pressure-based flow station, linear flow station or
venturi valve with feedback
Outputs
Analog Output Type ...................
0 to 10 VDC or 4 to 20 mA
Range ........................................
0 to configurable maximum representing face velocity, flow or
sash position
Alarm Contacts ..........................
SPST, 60 W max
2A @ 30 VDC Nominal
Contacts field-configurable to open or close in alarm
condition.
Contacts close on loss of power.
Low Alarm Range ......................
5 to 980 ft/min (0.03 to 4.88 m/s)
0 to 10,000 cfm (0 to 4,720 l/s, 0 to 16,990 m
3
/hr)
High Alarm Range .....................
80 to 1,000 ft/min (0.41 to 5.08 m/s)
0 to 10,000 cfm (0 to 4,720 l/s, 0 to 16,990 m
3
/hr)
Communications Protocols ........
Modbus
®
RTU or N2 (standard) 9600 baud
BACnet
®
MS/TP (Optional) 76.8k, 38.4k 19.2k,9600 baud)
LonWorks
®
(Optional)
Operating Temperature .............
32 to 120°F (0 to 48.9C)
Input Power ................................
24 VAC, 50/60 Hz
15 to 40 VDC
5 Watt maximum (50 VA with TSI Actuator)
Dimensions ................................
6.67 in x 2.92 in x 1.25 in (169 mm x 74 mm x 32 mm)
Weight ........................................
0.5 lb (0.2 kg)