GEM 4241 Bedienungsanleitung
GEMÜ 4241
Combi switchbox
Operating instructions
EN
further information
webcode: GW-4241
All rights including copyrights or industrial property rights are expressly reserved.
Keep the document for future reference.
© GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG
04.03.2020
www.gemu-group.com2 / 27GEMÜ 4241
Contents
1 General information .................................................. 4
1.1 Information ......................................................... 4
1.2 Symbols used ..................................................... 4
1.3 Warning notes .................................................... 4
2 Safety information .................................................... 5
3 Product description ................................................... 6
4 GEMÜ CONEXO ......................................................... 7
5 Correct use ............................................................... 8
6 Order data ................................................................. 9
7 Technical data .......................................................... 10
8 Dimensions ............................................................... 12
9 Manufacturer's information ....................................... 12
9.1 Delivery ............................................................... 12
9.2 Packaging ........................................................... 12
9.3 Transport ............................................................ 12
9.4 Storage ............................................................... 12
10 Assembly and installation ......................................... 13
11 Pneumatic connection ............................................... 20
12 Electrical connection ................................................. 20
13 Manual override ........................................................ 23
14 Troubleshooting ........................................................ 24
15 Inspection and maintenance ..................................... 24
16 Disassembly .............................................................. 25
17 Disposal .................................................................... 25
18 Returns ..................................................................... 25
19 EU Declaration of conformity in accordance with
2014/34/EU (ATEX) ................................................... 26
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1 General information
1 General information
1.1 Information
– The descriptions and instructions apply to the standard versions. For special versions not described in this document
the basic information contained herein applies in combination with any additional special documentation.
– Correct installation, operation, maintenance and repair work ensure faultless operation of the product.
– Should there be any doubts or misunderstandings, the German version is the authoritative document.
– Contact us at the address on the last page for staff training information.
1.2 Symbols used
The following symbols are used in this document:
Symbol Meaning
Tasks to be performed
Response(s) to tasks
– Lists
1.3 Warning notes
Wherever possible, warning notes are organised according to the following scheme:
SIGNAL WORD
Type and source of the danger
Possible
symbol for the
specific
danger
Possible consequences of non-observance.
Measures for avoiding danger.
Warning notes are always marked with a signal word and sometimes also with a symbol for the specific danger.
The following signal words and danger levels are used:
DANGER
Imminent danger!
▶Non-observance can cause death or severe injury.
WARNING
Potentially dangerous situation!
▶Non-observance can cause death or severe injury.
CAUTION
Potentially dangerous situation!
▶Non-observance can cause moderate to light injury.
NOTICE
Potentially dangerous situation!
▶Non-observance can cause damage to property.
The following symbols for the specific dangers can be used within a warning note:
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Symbol Meaning
Danger of explosion!
Danger of explosion
2 Safety information
The safety information in this document refers only to an individual product. Potentially dangerous conditions can arise in
combination with other plant components, which need to be considered on the basis of a risk analysis. The operator is re-
sponsible for the production of the risk analysis and for compliance with the resulting precautionary measures and regional
safety regulations.
The document contains fundamental safety information that must be observed during commissioning, operation and mainten-
ance. Non-compliance with these instructions may cause:
– Personal hazard due to electrical, mechanical and chemical effects.
– Hazard to nearby equipment.
– Failure of important functions.
– Hazard to the environment due to the leakage of dangerous materials.
The safety information does not take into account:
– Unexpected incidents and events, which may occur during installation, operation and maintenance.
– Local safety regulations which must be adhered to by the operator and by any additional installation personnel.
Prior to commissioning:
1. Transport and store the product correctly.
2. Do not paint the bolts and plastic parts of the product.
3. Carry out installation and commissioning using trained personnel.
4. Provide adequate training for installation and operating personnel.
5. Ensure that the contents of the document have been fully understood by the responsible personnel.
6. Define the areas of responsibility.
7. Observe the safety data sheets.
8. Observe the safety regulations for the media used.
During operation:
9. Keep this document available at the place of use.
10. Observe the safety information.
11. Operate the product in accordance with this document.
12. Operate the product in accordance with the specifications.
13. Maintain the product correctly.
14. Do not carry out any maintenance work and repairs not described in this document without consulting the manufacturer
first.
In cases of uncertainty:
15. Consult the nearest GEMÜ sales office.
2 Safety information
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3 Product description
3 Product description
3.1 Construction
1
2
5
3
4
Item Name Materials
1 Housing cover PC
2 Housing base PPS
3 Electrical connection SS, PP
4 Adapter piece SS
5 Mounting kit, valve specific SS, PP
Seals NBR
3.2 Description
The GEMÜ 4241 combi switchbox is suitable for mounting to pneumatically operated linear actuators. The position of the
valve spindle is reliably electronically detected and fed back via the play-free and non-positive mounting by means of a 2-wire
proximity switch (NAMUR). Integrated pilot valves enable direct activation of the process valve connected to them.
3.3 Function
The GEMÜ 4241 combi switchbox indicates the current position of the valve. When the valve is opened, the spindle in the
combi switchbox moves upwards and indicates that the valve is OPEN using the communication interface. When the valve is
closed, the spring in the mounting kit presses the spindle in the combi switchbox downwards and indicates that the valve is
CLOSED using the communication interface.
3.4 Product label
Device version Design in accordance with order data
Item number Traceability number Serial number
Device-specific data
Year of manufacture
The manufacturing month is coded under the traceability number and can be requested from GEMÜ. The product was manu-
factured in Germany.
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4 GEMÜ CONEXO
Order variant
In the corresponding design with CONEXO, this product has an RFID chip (1) for electronic identification purposes. The posi-
tion of the RFID chip can be seen below. The CONEXO pen helps read out information stored in the RFID chips. The CONEXO
app or CONEXO portal is required to view this information.
1
For further information please read the operating instructions for CONEXO products or the CONEXO datasheet.
Products such as the CONEXO app, the CONEXO portal and the CONEXO pen are not components included in the scope of de-
livery and need to be ordered separately.
4 GEMÜ CONEXO
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5 Correct use
5 Correct use
DANGER
Danger of explosion!
▶Risk of severe injury or death.
●Do not use the product in potentially explosive zones.
●Only use the product in potentially explosive zones confirmed in the declaration of conformity.
WARNING
Improper use of the product
▶Risk of severe injury or death.
▶Manufacturer liability and guarantee will be void.
●Only use the product in accordance with the operating conditions specified in the contract documentation and in this doc-
ument.
The product with the special version X order option is intended for use in potentially explosive areas of zone 2 with gases,
mists or vapours and zone 22 with combustible dusts in accordance with EU directive 2014/34/EU (ATEX).
The product has the following explosion protection marking:
ATEX
Gas: II 2G Ex ib IIB T4 Gb
Dust: II 2D Ex ib IIIC T120°C Db
EC type examination certificate: IBExU17ATEX 1160 X
Notified body: IBExU, No. 0637
IECEx
Gas: Ex ib IIB T4 Gb
Dust: Ex IIIC T120°C Db
Certificate: IECEx IBE 19.0017 X
The product has been developed in compliance with the following harmonised standards:
– EN 60079-0:2012+A11:2013
– EN 60079-11:2012
The product can be used in the following ambient temperature ranges: 0°C to +50°C
For use in potentially explosive areas, the following conditions or operation limits must be observed:
Special conditions of use
1. The special conditions of the Ex components used must be observed.
2. The housing must be installed protected against mechanical influences.
3. Layers of dust > 5 mm must be avoided.
6 Order data
The order data provide an overview of standard configurations.
Please check the availability before ordering. Other configurations available on request.
Note: A valve specific mounting kit is required for assembly. For designing the mounting kit, the valve type, nominal size, con-
trol function and actuator size must be stated.
Order codes
1 Type Code
Combi switchbox 4241
2 Fieldbus Code
Without 000
3 Accessory Code
Accessory Z
4 Housing material Code
PPS base, PC cover 01
5 Action Code
Single acting, with manual override 01
6 Electrical connection Code
M12 plug, 5-pin; connection diagram "P" 01
M16 Skintop cable gland; connection diagram "N" 03
7 Pneumatic connection Code
Without 00
Air supply 6 mm angled connection,
exhaust air 6 mm angled connection
04
7 Continuation of Pneumatic connection Code
Air supply 6 mm T-connection,
exhaust air 6 mm angled connection
05
G1/8 connection thread
(for IP67 or piped air outlet)
E1
8 Switch Code
Proximity switch, 2-wire, NAMUR
P+F, NJ1,5-6,5-15-N-Y180094
N1
9 Connection diagram Code
NAMUR terminals OPEN/CLOSE
8 V NAMUR sensor; 24 V DC pilot valve
N1
NAMUR terminals OPEN/CLOSE
8 V NAMUR sensor; 12 V DC pilot valve
N2
M12 plug, 5-pin CLOSED
8 V NAMUR sensor; 12 V DC pilot valve
P5
10 Travel sensor version Code
Potentiometer, 75 mm length 075
11 Special version Code
ATEX (2014/34/EU), IECEx X
Order example
Order option Code Description
1 Type 4241 Combi switchbox
2 Fieldbus 000 Without
3 Accessory Z Accessory
4 Housing material 01 PPS base, PC cover
5 Action 01 Single acting, with manual override
6 Electrical connection 03 M16 Skintop cable gland; connection diagram "N"
7 Pneumatic connection 00 Without
8 Switch N1 Proximity switch, 2-wire, NAMUR
P+F, NJ1,5-6,5-15-N-Y180094
9 Connection diagram N1 NAMUR terminals OPEN/CLOSE
8 V NAMUR sensor; 24 V DC pilot valve
10 Travel sensor version 075 Potentiometer, 75 mm length
11 Special version X ATEX (2014/34/EU), IECEx
6 Order data
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7 Technical data
7 Technical data
7.1 Medium
Working medium: Quality classes to DIN ISO 8573-1
Dust content: Class 3, max. particle size 5 μm, max. particle density 5 mg/m³
Oil content: Class 5, max. oil concentration 25 mg/m³
7.2 Temperature
Ambient temperature: 0 to 50 °C
Media temperature: 0 to 50 °C
Storage temperature: 0 to 40 °C
7.3 Pressure
Operating pressure: 2 to 7 bar
Flow rate: 250 Nl/min
The applied pressure must not exceed the maximum control pressure of the process valve.
7.4 Product compliance
Machinery Directive: 2006/42/EC
Explosion protection: ATEX (2014/34/EU)
ATEX marking: Gas: II 2G Ex ib IIB T4 Gb
Dust: II 2D Ex ib IIIC T120°C Db
EC type examination certificate: IBExU17ATEX 1160 X
Notified body: IBExU, No. 0637
IECEx marking: Gas: Ex ib IIB T4 Gb
Dust: Ex IIIC T120°C Db
Certificate: IECEx IBE 19.0017 X
7.5 Mechanical data
Installation position: Optional
Weight: 420 g
Protection class: IP 65 acc. to EN 60529
IP 67 acc. to EN 60529, is reached with piped air outlet
Stroke: 5 to 75 mm
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