Memorex RX 1 Smart Manual de instalación descargar pdf (Pagina 146)

144 | Technical specications

NMEA listeners (all inputs):

Insulation: Opto-coupler. Maximum ±50 volt, input relative to shield or

power supply lines

Impedance: Minimum 500 Ohms, A- in relative to B- in

Threshold: Maximum 2 volt and 2 mA

Protection: ±15 volt, A- in relative to B- in, ±50 volt

LAN

Protocol: NMEA over TCP/IP, MX proprietary messages

Connector: RJ-45

MOB/ Event input

Insulation: Maximum ±50 volt, input relative to power supply lines

Impedance: 3.5 Kohm input relative to Reference GND

Pull-up: 15 Kohm to internal 12 volt

Threshold: Positive going maximum 2.3 volt, input relative to Reference GND

Negative going minimum 0.6 volt, input relative to Reference GND

Hysteresis minimum 0.6 volt

Protection: ±25 volt, input relative to shield

±50 volt, input relative to external power lines

Frequency: Triggered with 50 mS bounce control

Pulse width: Minimum 100 mS

Alarm output

Dry Contact: Normally Open, when not in Alarm state, or after acknowledgement.

Closed to Ref. GND, when in Alarm On state.

Antenna voltage output

DC voltage: 12 VDC, +1.0 VDC loaded; (11.5 VDC nominal unloaded)

DC current: 500 mA @ 12.0 volt DC

Speed Log Pulse Input/output

DC voltage: 0-12 VDC, pulses

Number of pulses: 100-500 selectable

1 2 ... 141 142 143 144 145 146 147 148 149 150 151 ... 199 200

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Memorex RX 1 Smart Manual de instalación Pagina 146