
EN 50155 Documentation Compliance Overview
81
i) functional description and interfaces
1) functional block diagram, including
hardware and software
Chapter
Product Overview > Product
Architecture > Functions
2) central processing unit and
peripherals (if relevant)
Chapter
Functional Description > CPU
3) memory (if relevant)
Chapter
Functional Description > Memory
Chapter
Functional Description > Mass
Storage
4) input-output ports description (at
equipment interface level –
connectors level)
Chapter
Functional Description
See the respective function chapter.
5) signal name, pin-out, function,
electrical features, with description of
circuit operation, including voltage,
current, impedance, DC or AC,
frequency, isolated signal,
overcurrent/overvoltage protections,
min. max loads characteristics, etc.
where appropriate
Chapter
Functional Description
See the respective function chapter.
Information is provided as far as
appropriate.
6) communication ports and
protocols descriptions (if any at
equipment interface level)
Chapter
Functional Description
See the respective function chapter.
Information is provided as far as
appropriate.
7) RS-232; RS-485; CAN; MVB;
Ethernet, Other, etc. (if any)
Chapter
Functional Description
See the respective function chapter.
8) with all protocol features: Baud
rate, Parity, Drivers standards,
Master-Slave, Ports address, etc.
Chapter
Functional Description
See the respective function chapter.
Information is provided as far as
appropriate.
9) cabling recommendations
Chapter
Functional Description
The respective function chapters include
mating connector types, cable lengths or
other information where appropriate.
10) visual interfaces (if any)
Chapter
Functional Description > Status
LEDs
Chapter
Functional Description > Ethernet >
Ethernet Status LEDs
11) display description (if any)
Not relevant
12) lamps or LED (or other visual
signals) description (if any)
Chapter
Functional Description > Status
LEDs
Chapter
Functional Description > Ethernet >
Ethernet Status LEDs
Requirement
Compliance