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APPENDIX D: SKYMETRY WTU-14 Specifications
ENVIRONMENTAL INPUTS
Number of Dry Contact Inputs: 8
Dry Contact Input Types: N.O./N.C. contact, pulse count, equip-
ment run time
Dry Contact Input Electrical Characteristics: 47KΩ to 5V
Number of Analog Inputs: 6
Analog Input Types: 10K thermistor (-60° to 175° F) and 4–
20mA (-10,000 to 10,000)
Analog Input Electrical Characteristics: 22KΩ to 2.5V (tem-
perature) and 250 Ohms to ground (4–20mA)
Input Connector: terminal block
A/D Converter Resolution: 10 bits ±2 LSB
Input Protection: Metal Oxide Varistors and fast acting diode
clamps
RELAY OUTPUTS
Number of Relay Outputs: 2
Rating: 0.3A 120VAC / 1.0A 24VDC Maximum
Type: SPDT Form-C Latching
Relay Output Connector: terminal block
LED INDICATORS
Function: Alarm, Radio Registered, Radio In Range, Battery OK,
Power OK, Output #1, Output #2
Appendix D: Specifications
101
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