Environmental conditionsPermalink

This is the web edition of the original ‎⮫ AC500-S safety user manual, version 1.3.2. This web edition is provided for quick reference only. The original safety user manual must be used to meet functional safety application requirements.

Process and supply voltages

Data

Value

Unit

Process and supply voltage (-25 %, +30 % inclusive ripple)

24

V DC

Absolute limits inclusive ripple

18 ... 31.2

V DC

Ripple

< 10

%

Protection against reverse polarity

yes

 

Allowed interruptions of DC power supply

< 10

ms

Time between 2 interruptions, PS2

> 1

s

DANGER

DANGER
DANGER
DANGER

DANGER

DANGER

Exceeding the permitted process or supply voltage range (< -35 V DC or > +35 V DC) could lead to unrecoverable damage of the system.

DANGER

DANGER
DANGER
DANGER

DANGER

DANGER

For the supply of the modules, power supply units according to PELV or SELV specifications must be used.

NOTICE

NOTICE
NOTICE
NOTICE

NOTICE

NOTICE

The creepage distances and clearances meet the requirements of the overvoltage category II, pollution degree 2.

Temperature

Data

Value

Unit

Operating temperature*

-40 ... +70

°C

Operating temperature (vertical mounting of module output load limited to 50 % per group)

-40 ... +40

°C

Storage temperature

-40 ... +85

°C

Transport temperature

-40 ... +85

°C

* +60 ... +70 °C with the following deratings:

  • Terminal bases: Maximum 2 communication modules allowed.

  • Digital inputs: Maximum number of simultaneously switched on input channels limited to 50 % per group (e.g., 8 channels => 4 channels).

  • Digital outputs: Output current maximum value (all channels together) limited to 50 % per group (e.g., 4 A => 2 A).

  • Analog inputs: No limitations.

DANGER

DANGER
DANGER
DANGER

DANGER

DANGER

Safety value calculation uses the average temperature. The average temperature for both the extended temperature range (-40 ... +70 °C) as well as for normal temperature range (0 ... +60 °C) is defined to +40 °C.

Ensure that average operating temperature for used AC500-S and AC500-S-XC modules does not exceed +40 °C.

Humidity

Data

Value

Unit

Relative humidity with condensation (operating/storage)

100

%

Air pressure

Data

Value

Unit

Operating air pressure

1080 ... 620

hPa

Operating altitude

-1000 ... 4000

m

Reduction of operating temperature at an air pressure of < 795 hPa (or > 2000 m above sea level)

10 (e.g., +70 °C to +60 °C)

K

Immunity to corrosive gases

Data

Value

Operating: according to ISA S71.04.1985 harsh group A, G3/GX IEC 60721-3-3 3C2 / 3C3

yes

Immunity to salt mist

Data

Value

Operating: horizontal mounting only, according to IEC 60068-2-52 severity level 1

yes

Electromagnetic compatibility

Data

Value

Radiated emission (radio disturbance) according to CISPR 16-2-3

yes

Conducted emission (radio disturbance) according to CISPR 16-2-1, CISPR 16-1-2

yes

Electrostatic discharge (ESD) according to IEC 61000-4-2, zone B, criterion B

yes

Fast transient interference voltages (burst) according to IEC 61000-4-4, zone B, criterion B

yes

High energy transient interference voltages (surge) according to IEC 61000-4-5, zone B, criterion B

yes

Influence of radiated disturbances according to IEC 61000-4-3, zone B, criterion A

yes

Influence of line-conducted interferences according to IEC 61000-4-6, zone B, criterion A

yes

Influence of power frequency magnetic fields according to IEC 61000-4-8, zone B, criterion A

yes

NOTICE

NOTICE
NOTICE
NOTICE

NOTICE

NOTICE

In order to prevent malfunctions, it is recommended that the operating personnel discharge themselves prior to touching communication connectors or perform other suitable measures to reduce effects of electrostatic discharges.

NOTICE

NOTICE
NOTICE
NOTICE

NOTICE

NOTICE

Unused sockets for communication modules on terminal bases must be covered with TA524 dummy communication module. I/O bus connectors must not be touched during operation.