MTL5541AS データシートの表示（PDF） - Unspecified

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MTL5541AS

MTL5500 I/O MODULES by application

Unspecified 

MTL5514 SWITCH/

PROXIMITY DETECTOR

INTERFACE

single channel with line fault detection

and phase reversal

The MTL5514 enables a safe–area load to be controlled, through a

relay, by a proximity detector or switch located in a hazardous area.

Line faults are signalled through a separate relay and indicated on

the top of the module. Switches are provided to select phase reversal

and to enable the line fault detection.

Hazardous area

Safe area

To earth

leakage

detector

680W

22kW

6

5

LFD

4

+

3

2

–1

For contact inputs

resistors must be fitted

EPS5514-2

7

8

LFD

9

10

11

Output

12

13

Vs–

14

Vs+

20 to 35V dc

SPECIFICATION

See also common specification

Number of channels

One

Location of switch

Zone 0, IIC, T6 hazardous area

Div.1, Group A, hazardous location

Location of proximity detector

Zone 0, IIC, T4–6 hazardous area, if suitably certified

Div.1, Group A, hazardous location

Hazardous–area inputs

Inputs conforming to BS EN60947–5–6:2001 standards for

proximity detectors (NAMUR)

Voltage applied to sensor

7 to 9V dc from 1kΩ ±10%

Input/output characteristics

Normal phase

Outputs closed if input > 2.1mA (< 2kΩ in input circuit)

Outputs open if input < 1.2mA (> 10kΩ in input circuit)

Hysteresis: 200µA (650Ω) nominal

Line fault detection (LFD) (when selected)

User-selectable via switches on the side of the unit. Line faults

are indicated by an LED. Line fault relay is energised and

channel output relay de-energised if input line-fault detected

Open-circuit alarm on if Iin < 50µA

Open-circuit alarm off if Iin > 250µA

Short-circuit alarm on if Rin < 100Ω

Short-circuit alarm off if Rin > 360Ω

Note: Resistors must be fitted when using the LFD facility with a contact input

500Ω to 1kΩ in series with switch

20kΩ to 25kΩ in parallel with switch

Safe-area output

Channel: Single pole relay with changeover contacts

LFD:

Single pole relay with changeover contacts

Note: reactive loads must be adequately suppressed

Relay characteristics

Response time: 10ms maximum

Contact rating: 250V ac, 2A, cosØ >0.7

40V dc, 2A, resistive load

Terminal

1

2

3

7

8

9

10

11

12

13

14

Function

Input –ve

Input +ve

To earth leakage detector*

LFD NC contact

LFD Common

LFD NO contact

Output NC contact

Output Common

Output NO contact

Supply – ve

Supply +ve

*Signal plug HAZ1-3 is required for access to this function

LED indicators

Green: power indication

Yellow: channel status, on when output circuit is closed

Red: LFD indication, on when line fault is detected

Maximum current consumption

25mA at 24V dc

Power dissipation within unit

0.6W at 24V

Safety description

Vo=10.5V Io=14mA Po=37mW Um = 253V rms or dc

The given data is only intended as a product description and should not be re-

garded as a legal warranty of properties or guarantee. In the interest of further

technical developments, we reserve the right to make design changes.

EUROPE (EMEA)

Tel: +44 (0)1582 723633

Fax: +44 (0)1582 422283

AMERICAS

Tel: +1 281 571 8065

Fax: +1 281 571 8069

ASIA PACIFIC

Tel: +65 6 487 7887

Fax: +65 6 487 7997

E-mail: enquiry@mtl-inst.com Web site: www.mtl-inst.com

Aug 2008

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