Meinberg TCR509 Manuel d'utilisateur télécharger pdf (Page 12)

Specifications

Signal Input: potential free

Impedance 50Ohms also available 600 Ohms

Amplitude: abt. 600mV...8V peak to peak (Mark)

Supported Time Codes: IRIG-A133 and IRIG-B123

AFNOR NFS 87-500 on request

PPS-Strobe Accuracy: +/-5us referred to 'On Time'

Free running mode: changeover to crystal time base,

accuracy abt. 1e-6s/s if decoder was synchroni-

zed for at least 1h.

Backup Battery: The internal hardware clock (RTC) is supplied

from a backup battery in case of an operating

voltage failure. The lifetime of the Lithium-Battery

is at least 10 years.

Security of operation: hardware watchdog generates a reset in case of

brown out. Software watchdog generates reset in

case of improper program execution

Initialization: Initial time and date of hardware clock can be set

by a Meinberg standard telegram via serial port

COM0.

Pulse Outputs: one PPS-Output, TTL Level, 200ms length,

positive and inverted.

four TTL pulse outputs, DCF-Simulation

or positive PPS

four 20mA current loop outputs, DCF-Simulation

or positive PPS

Serial Ports: two independent RS232 ports

Baud rates: configurable : 2400Bd, 4800Bd ,9600B,19200Bd

Framing: configurable: 7E2, 8N1

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Meinberg TCR509 Manuel d'utilisateur Page 12