Euchner CES-A-UEA-04B (Multicode) Instrukcja Użytkownika Pobierz pdf (Strona 23)

Operating Instructions Safety System CES-A-UEA-02B/CES-A-UEA-04B

Technical Data

Parameter

Value

Unit

min. typ. max.

Housing material Plastic PA6.6

Dimensions 114 x 99 x 45 mm

Weight 0.25 kg

Ambient temperature at U

= DC 24 V -20 - +55 °C

Atmospheric humidity, not condensing - - 80 %

Degree of protection IP20

Degree of contamination 2

Installation DIN rail 35 mm according to EN 60715

Number of read heads Max. 4 read heads per evaluation unit

Connection (screw terminals) 0.14 - 2.5 mm²

Operating voltage U

(regulated, residual ripple < 5 %) 21 24 27 V DC

For the approval according to

the following applies

Operation only with UL Class 2 power supply, or equivalent measures

Current consumption I

(with relay energized)

- 220 270 mA

External fuse (operating voltage U

) 0.4 - 8 A

Safety contacts 2 (relays with internally monitored contacts)

Switching current (relay outputs)

- At switching voltage AC/DC 1 ... 60 V

- 300

- At switching voltage AC/DC 17 ... 30 V 15 - 6000

- At switching voltage AC 17 ... 230 V 15 - 1500

Switching load according to

Max. AC 30 V, class 2 / max. DC 60 V, class 2

External fuse (safety circuit) according to EN 60269-1 6 A gG or 6 A circuit breaker (characteristic B or C)

Utilization category to EN 60947-5-1 AC-12 60V 300mA 50Hz / DC-12 60V 300mA

AC-12 30V 6A / DC-12 30V 6A

AC-15,230V 1.5A 50Hz / DC-13 24V 1.2A

Classiﬁcation according to EN 60947-5-3 PDF-M

Rated insulation voltage U

250 V

Rated impulse withstand voltage U

imp

4kV

Rated conditional short-circuit current 100 A

Resilience to vibration According to EN 60947-5-2

Mechanical operating cycles (relays) 10 x 10

Switching delay from state change

- 4 activated actuators - - 450

- 3 activated actuators - - 370

- 2 activated actuators - - 290

- 1 activated actuator - - 210

Time difference between the switching points of the two

relays (with 4 activated actuators)

- - 400 ms

Manual start operating mode

- Duration of operation of start button 250 - -

- Start button response delay - 200 300

Current via feedback loop Y1/Y2 5 8 10 mA

Permissible resistance via feedback loop - - 600

Ready delay

-1012s

Dwell time

3- -s

Switching frequency max.

- - 0.25 Hz

Monitoring outputs (diagnostics DIA, release 01...02, semi-

conductor output, p-switching, short circuit-protected)

- Output voltage 0.8 x U

-U

V DC

- Max. load - - 20 mA

Start button input S, test input TST

- Input voltage LOW 0 - 2

V DC

HIGH 15 - U

- Input current HIGH 5 8 10 mA

EMC protection requirements In acc. with EN 60947-5-3

Reliability values according to EN ISO 13849-1

Switching current at 24 V DC ≤ 0.1 A ≤ 1 A ≤ 3 A

Category 4

PL e

PFH

1.3 x 10

-8

1.5 x 10

-8

Mission time 20

years

Number of switching cycles/year 506 000 100 000 23 000

1) Without taking into account the load currents on the monitoring outputs.

2) If a switching current > 300 mA in conjunction with a switching voltage > 15 V or an inductive or capacitive load is switched once using the relay outputs, it is no longer possible to reliably

switch small currents (< 15 mA) due to the contact erosion on the gold contacts.

3) Corresponds to the risk time according to EN 60947-5-3. This is the maximum switch-off delay for the safety outputs following removal of the actuator. In case of EMC interference in excess of

the requirements in accordance with EN 60947-5-3, the switch-off delay can increase to max. 750 ms. After a brief actuation < 0.8 s, the switch-on delay can increase to max. 3 s if this is fol-

lowed immediately by further actuation.

4) After the operating voltage is switched on, the relay outputs are switched off and the monitoring outputs are set LOW during the ready delay. For the visual indication of the delay, the green

STATE LED ﬂashes at a frequency of approx. 15 Hz.

5) The dwell time is the time that the actuator must be inside or outside the operating distance.

6) In case of monitoring with feedback loop, the actuators must remain outside the operating distance, e.g. with a door open, until the feedback circuit is closed.

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