Avionics Division

Warsaw Metro Carriages Events Recorder

General Parameters:

Record errors:                         below 1 on 106 bits,

Voltage:                                   110V DC,

Power consumption:               max 20 VA,

Normal temperature range:    -25 °C ÷ +70 °C,

Max. temperature range:        -35 °C ÷ +85°C,

Mass (recorder & cassette):    about 4500g,

Mass (cassette):                      about 800g,

Recorder dimensions:              320.5 x 57.9 x 193.5 mm.

Parameters controlled by recorder:

Voltage,

Correctness of input signal,

Correctness of cassette records,

Cassette filled rate and available memory.

Recorder input parameters:

Input RS485.
This input is used to load data from TIMS system. This input is used also as input for data transmissions from SOP- 2 to next recorder through metro train network.

Half-duplex transmission,

1 start bit,

1 parity bit (EVENT PARITY),

1 stop bit,

LSB (Least Significant Bit) transmitted as first,

Transmissions speed 9600 bits/second.

Input RxA0
This input is used to load data from Speed Reducing System SOP- 2. This input is used as input for series transmission with opt isolations on transoptor.

1 start bit,

8 data bits,

1 parity bit (ODD PARITY),

1 stop bit,

LSB (Least Significant Bit) transmitted as first,

Transmission’s speed 9600 bits/second.

Input PX1 INPUT
Input for pressure converter ATM-PX1. Analogue Input for DC voltage measurement from 0 to 5 V.

Events recorder satisfy a norms:

Mechanism and connections:

ARINC No. 404A 15.03.1974 ("AIR TRANSPORT EQUIPMENT CASES AND RACKING),

Electromagnetic compatibility tests:

ENV 50121-3-2 emissions according to the table 3 “auxiliary AC or DC power ports”

ENV 50121-3-2 immunity according to the table 8: “Signal & communication, process measurement & control ports”.

Vibration and impact tests:

IEC 571 International Standard

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