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Operating instructions

Safety-monitoring module

AES 1185

EN

There are no residual risks, provided that the safety instructions as well 

as the instructions regarding mounting, commissioning, operation and 

maintenance are observed.

1.6  Warning about misuse

In case of inadequate or improper use or manipulations of 

the safety-monitoring module, personal hazards or damages 

to machinery or plant components cannot be excluded. The 

relevant requirements of the standard EN 1088 must be 

observed.

1.7  Exclusion of liability

We shall accept no liability for damages and malfunctions resulting from 

defective mounting or failure to comply with this operating instructions 

manual. The manufacturer shall accept no liability for damages 

resulting from the use of unauthorised spare parts or accessories.

For safety reasons, invasive work on the device as well as arbitrary 

repairs, conversions and modifications to the device are strictly 

forbidden; the manufacturer shall accept no liability for damages 

resulting from such invasive work, arbitrary repairs, conversions and/or 

modifications to the device.

2.  Product description

2.1  Ordering code

This operating instructions manual applies to the following types:

AES 1185

No.

Option

Description

24 VDC

.3

24 VAC

Only if the information described in this operating instructions 

manual are realised correctly, the safety function and therefore 

the compliance with the Machinery Directive is maintained.

2.2  Special versions

For special versions, which are not listed in the order code below 2.1, 

these specifications apply accordingly, provided that they correspond to 

the standard version.

2.3  Purpose

The safety-monitoring modules for integration in safety circuits are 

designed for fitting in control cabinets. They are used for the safe 

evaluation of the signals of positive break position switches for safety 

functions or magnetic safety sensors on sliding, hinged and removable 

safety guards as well as emergency stop control devices.

Design

The safety-monitoring module has a dual-channel structure. It includes 

two safety relays with monitored positive action contacts. The NO 

contacts of the relays, which are wired in series, build the enabling 

contacts.

2.4  Technical data

Standards:

 

IEC / EN 60204-1; EN 60947-5-1;  

EN 60947-5-3; EN ISO 13849-1;  

IEC 61508; BG-GS-ET-14; BG-GS-ET-20

Start conditions:

 

Automatic or start button 

Feedback circuit available:

 yes

Start-up test:

 no

Pull-in delay for automatic start:

 

adjustable 0.1 / 1.0 second

Drop-out delay in case  

 

of "emergency stop":

 

< 50 ms

Rated operating voltage U

e

:

 

AES 1185: 24 VDC ± 15 %, 

AES 1185.3: 24 VAC +15 %/-10 %

Rated operating current I

e

:

 

0.2 A

Rated insulation voltage U

i

:

 

250 V

Rated impulse withstand voltage U

imp

:

 

4.8 kV

Thermal test current I

the

:

 

4 A

Internal fuse:

 yes

Power consumption:

 

< 5 W

Monitored inputs: 

Cross-wire short detection:

 yes

Wire breakage detection:

 yes

Earth connection detection:

 yes

Number of NC contacts:

 3

Number of NO contacts:

 3

Outputs: 

Stop category 0:

 1

Stop category 1:

 0

Number of safety contacts:

 1

Number of auxiliary contacts:

 0

Number of signalling outputs:

 0

Switching capacity of the safety contacts:

 

4 A

Utilisation category to EN 60947-5-1:

 

AC-15: 250 V / 2 A,  

DC-13: 24 V / 2 A

Max. fuse rating:

 

4 A gG D-fuse

Mechanical life:

 

> 50 million operations

LED display:

 ISD

Ambient conditions: 

Operating temperature:

 

0 °C ... +55 °C

Storage and transport temperature:

 

−25 °C ... +70 °C

Protection class:

 

Enclosure: IP40  

Terminals: IP20  

Clearance: IP54

Degree of pollution:

 2

Mounting:

 

Snaps onto standard DIN rail to EN 60715

Connection type:

 

Screw connection

Min. cable section:

 

0.25 mm²

Max. cable section:

 

2.5 mm², solid strand or multi-strand  

lead (including conductor ferrules)

Tightening torque:

 

0.6 Nm

Weight:

 

140 g

Dimensions (H x W x D):

 

75 x 22.5 x 110 mm

2.5  Safety classification

Standards:

 

EN ISO 13849-1; IEC 61508

PL:

 

up to d

Control category:

 

up to 3

PFH-value:

  

1.0 x 10

-7

 / h; applicable for applications  

with up to max. 50,000 switching  

cycles / year and max. 80 % contact load.  

Diverging applications upon request.

SIL:

 

up to 2

Service life: 

 

20 years

Summary of Contents for AES 1185

Page 1: ...hine or plant The safety monitoring module must be exclusively used in accordance with the versions listed below or for the applications authorised by the manufacturer Detailed information regarding the range of applications can be found in the chapter Product description 1 5 General safety instructions The user must observe the safety instructions in this operating instructions manual the country...

Page 2: ...ed and removable safety guards as well as emergency stop control devices Design The safety monitoring module has a dual channel structure It includes two safety relays with monitored positive action contacts The NO contacts of the relays which are wired in series build the enabling contacts 2 4 Technical data Standards IEC EN 60204 1 EN 60947 5 1 EN 60947 5 3 EN ISO 13849 1 IEC 61508 BG GS ET 14 B...

Page 3: ...brations the end position of a non contact position switch is often overrun This causes the safety monitoring module to generate an error message To avoid this the enabling delay time can be extended by removing the device cover and setting an internal bridge jumper Bridge closed enabling delay time 1 0 second Bridge closed enabling delay time 0 1 second factory setting 6 Set up and maintenance 6 ...

Page 4: ...a safety guard is opened the LED indication changes Indication yellow LED System condition 1 impulse Safety guard 1 open 2 impulses Safety guard 2 open 3 impulses Safety guard 3 open Table error indications Indication orange LED Error Cause 1 impulse Error safety guard 1 Defective supply voltage lead defective switch erroneous fitting of the switch switch only partially actuated for at least 5 s c...

Page 5: ...est DGUV Test Prüf und Zertifizierungsstelle Fachbereich Elektrotechnik Gustav Heinemann Ufer 130 50968 Köln ID n 0340 EU prototype test certificate ET 16038 Person authorised for the compilation of the technical documentation Oliver Wacker Möddinghofe 30 42279 Wuppertal The currently valid declaration of conformity can be downloaded from the internet at www schmersal net Place and date of issue W...

Page 6: ... A Schmersal GmbH Co KG Möddinghofe 30 D 42279 Wuppertal Postfach 24 02 63 D 42232 Wuppertal Phone 49 0 2 02 64 74 0 Telefax 49 0 2 02 64 74 1 00 E Mail info schmersal com Internet http www schmersal com ...

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