16
Appendix A
Specifications
The following is a high level list of specifications:
Table 3
–
General Specifications (Normal Mode)
Supply Voltage
5 V DC
–
24 V DC
Power Consumption
@5V - 37.5mW
@24V - 180mW
Average Current Draw
7.5mA
Peak Current Draw
8mA
Switch Impedance
100 ohms
Communications Port
2 wire RS-485
Protocol
Modbus
Baud Rates (bps)*
•
1200 bps
•
2400 bps
•
4800 bps
•
9600 bps
•
19,200 bps
•
38,400 bps
•
56,000 bps
•
115,200 bps
•
128,000 bps
•
256,000 bps
*Baud rates may vary based on barrier type
Table 4
–
Performance
Range
50 to 1000 m/min (164 to 3281 ft/min)
Accuracy
+/- 8% @ 250 m/min
Arrival Latency
Min = 251 ms, Typ = 710 ms, Max = 2 s
Table 5
–
Environmental Data
Operating Temperature -40 to +70 C (-40 to +158 F)
Storage Temperature
-40 to +125 C (-40 to +257 F)
Certification
Model: ET-11000-1030-0000
•
Class 1, Division 2, Groups A, B, C and D T4
•
Class 1, Zone 2, Group IIC T4
Model: ET-11000-1031-0000
•
Class 1, Division 1, Groups C, D T4
•
Class 1, Zone 0, Ex ia IIB T4 Ga
•
Class 1, Division 2, Groups A, B, C and D T4
•
Class 1, Zone 2, Group IIC T4