Microtel 100 Dialer Series Información técnica descargar pdf (Pagina 29)

MICROTEL CellStat

A.7 Fault Inputs

Type: Isolated Dry Contact, Normal Open or Normal

Closed, Non-Latched.

Sensing frequency: 1 Hz

Sensing current: Closed circuit sees a 10 mA (nominal),

10 millisecond-duration pulse, once every second.

Sensing voltage: Open circuit sees 5 Volts (nominal)

Max. Loop Resistance: 10 killiohms

Max. Loop Capacitance: 100,000 picofarads

Isolation: 1500 Volts, transformer and optical isolation.

Fault Integration Delay: 00 – 99 seconds

AC Power Fail Detect: Internal circuit, configurable enable and alarm delay

Cellular Fault Detection: Alert generated when cellular prepaid balance < $5

A.8 Local Summary Alarm Contacts

Type: Relay, Type 1A Contacts

Operation: Normally energized (contacts closed),

De-energized (contacts open) when a Fault

condition is present.

Contact Rating: 10 VA, Resistive Load

Max. Switch Current: 0.5 Amp D.C

Max Switch Voltage: 48 Volts D.C.

Max. Carry Current: 1.25 Amps D.C.

Isolation: 1500 Volts

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Microtel 100 Dialer Series Información técnica Pagina 29