Technical specifications fdm509 – Meinberg FDM509 User Manual

Page 14

Technical Specifications FDM509

INPUT SIGNALS: 10MHz oscillator clock (TTL level)

pulse per second, activ high (TTL level)
serial time string (RS232), 19200 baud, 8N1

(see "Format

of the Meinberg Standard Time String")
mains voltage, 70V... 270V, 45Hz ... 65Hz (protected with
200mA fuse, slow blowing)

OUTPUTS:

2 analog outputs: -2,5V ... 2,5V, resolution: 16 bit
fail output (TTL level)
overflow output (TTL level)

SERIAL
RS232 PORTS:

2 serial RS232 ports, COM1: 19200 baud, 8N1
COM0 configurable via DIL-switch:
Baudrate:

9600 or 19200 baud

Framing:

7E2 or 8N1

output and average once per second or once per minute
output string: one of two different formats selectable, see chap-
ter "Output String"

ACCURACY OF
MEASUREMENT: frequency:

accuracy of reference (10MHz) ±1mHz

time deviation:

accuracy of reference (PPS) ±1ms

CONNECTORS:

rear VG edge connector, mixed F/H, DIN 41612
Type F: 24 poles, type H: 7 poles
optional: mains socket in the front panel

POWER
REQUIREMENTS: +5V, @180mA

PHYSICAL
DIMENSIONS:

Eurocard, 100mm x 160mm, 1.5mm Epoxy

FRONT PANEL:

3U / 8HP (128mm high x 40.6mm wide), Aluminium

AMBIENT
TEMPERATURE: 0 ... 50°C

HUMIDITY:

max. 85 %

OPTIONS:

power line input via mains socket in the front panel
Hardware and software modifications accordding to customer
specification