All rights to this documentation are reserved by Pilz GmbH & Co. KG. Copies may be made
for the user's internal purposes. Suggestions and comments for improving this documentation will be gratefully received.
Source code from third-party manufacturers or open source software has been used for
some components. The relevant licence information is available on the Internet on the Pilz
homepage.
Pilz®, PIT®, PMI®, PNOZ®, Primo®, PSEN®, PSS®, PVIS®, SafetyBUS p®,
SafetyEYE®, SafetyNET p®, the spirit of safety® are registered and protected trademarks
of Pilz GmbH & Co. KG in some countries.
18EC declaration of conformity ................................................................................................ 44
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Introduction
1Introduction
1.1Validity of documentation
This documentation is valid for the product PIT gb. It is valid until new documentation is
published.
This operating manual explains the function and operation, describes the installation and
provides guidelines on how to connect the product.
1.2Using the documentation
This document is intended for instruction. Only install and commission the product if you
have read and understood this document. The document should be retained for future reference.
1.3Definition of symbols
Information that is particularly important is identified as follows:
DANGER!
This warning must be heeded! It warns of a hazardous situation that poses
an immediate threat of serious injury and death and indicates preventive
measures that can be taken.
WARNING!
This warning must be heeded! It warns of a hazardous situation that could
lead to serious injury and death and indicates preventive measures that can
be taken.
CAUTION!
This refers to a hazard that can lead to a less serious or minor injury plus
material damage, and also provides information on preventive measures
that can be taken.
Operating Manual PIT gb
1004627-EN-04
NOTICE
This describes a situation in which the product or devices could be damaged and also provides information on preventive measures that can be
taken. It also highlights areas within the text that are of particular importance.
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Introduction
INFORMATION
This gives advice on applications and provides information on special features.
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Overview
2Overview
2.1Unit features
} Slimline design
} Housing with 12-pin M12 male connector
} Control elements can be replaced with a new control element with the same design in the
event of repair
} Labelling option for individual marking of the control elements
} Control elements finally wired and installed
} Can be installed in 16 different directions (see Assembly positions [ 13])
} Coloured caps for marking the function of the control elements (see Order reference:
Accessories [ 41])
} Housing with E-Stop pushbutton, pushbutton and mushroom head pushbutton
The housing is available in three versions. In figures the version with E-Stop is displayed.
For further information see Design and device types [ 10].
2.2Scope of supply
} PIT gb
} 2 washers M5
} Coloured caps (set), sorted by colour
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Safety
3Safety
3.1Intended use
The unit PIT gb is intended for use in safety circuits in accordance with IEC/EN60947-5-5,
ENISO13850. Before using the device, a safety assessment of the overall system must be
performed in accordance with the Machinery Directive.
The PIT gb must be used in combination with a suitable evaluation device (see Connection
to evaluation device [ 25]).
The following is deemed improper use in particular:
} Any component, technical or electrical modification to the product
} Use of the product outside the areas described in this manual
} Use of the product outside the technical details (see chapter entitled "Technical
details [ 29]").
Foreseeable misuse
} Use of the PIT gb under corrosive environmental conditions (cooling emulsions, surface
treatment, gases, …)
Please contact Pilz.
} Use of a different object than the intended key when using the key-operated pushbutton
or the key switch.
} Blocking of the key-operated pushbutton or the key switch with a foreign body.
3.2Safety regulations
3.2.1Use of qualified personnel
The products may only be assembled, installed, programmed, commissioned, operated,
maintained and decommissioned by competent persons.
A competent person is a qualified and knowledgeable person who, because of their training, experience and current professional activity, has the specialist knowledge required. To
be able to inspect, assess and operate devices, systems and machines, the person has to
be informed of the state of the art and the applicable national, European and international
laws, directives and standards.
It is the company’s responsibility only to employ personnel who
} Are familiar with the basic regulations concerning health and safety / accident prevention,
} Have read and understood the information provided in the section entitled Safety
} Have a good knowledge of the generic and specialist standards applicable to the specific
application.
3.2.2Warranty and liability
All claims to warranty and liability will be rendered invalid if
} The product was used contrary to the purpose for which it is intended,
} Damage can be attributed to not having followed the guidelines in the manual,
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Safety
} Operating personnel are not suitably qualified,
} Any type of modification has been made (e.g. exchanging components on the PCB
boards, soldering work etc.).
3.2.3Disposal
} When decommissioning, please comply with local regulations regarding the disposal of
electronic devices (e.g. Electrical and Electronic Equipment Act).
3.3For your safety
WARNING!
Risk of injury due to loss of the safety function.
Manipulation of the control elements may lead to serious injury and death.
– You should prevent any possibility of the control elements being ma-
nipulated through the use of a spare control element.
– Keep the spare control element in a safe place and protect it from un-
authorised access.
– If spare control elements are used, these must be installed as de-
scribed under Exchange of control elements [ 21].
– Destroy any replaced control elements before disposal.
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Function description
[1]
[2]
[3]
[4]
[5]
[6]
[6]
4Function description
Depending on the version, PIT gb can provide the following pushbuttons/switches to control
the functions of the overall plant or machine:
} Emergency stop pushbutton
} Illuminated and unilluminated pushbuttons
} Key switch/key pushbutton
} Changeover switch
For each control element, PIT gb has an individual labelling option [5] and a rotatable
mounting bracket [6].
Dimensions labelling option: Width 35 mm, height 13 mm
} The control elements can be marked with coloured caps according to the function of the
control elements (see Order reference: Accessories [ 41])
4.1Design and device types
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Function description
PIT gbPushbutton
[1]
LLLEPushbutton
illuminated
Pushbutton
[2]
Pushbutton
illuminated
CLLE y Blind plugPushbutton
illuminated
BLLE y Key
switch
KLLEKey
switch
LLLLPushbutton
illuminated
LLULPushbutton
illuminated
LLTEPushbutton
illuminated
Pushbutton
illuminated
Pushbutton
illuminated
Pushbutton
illuminated
Pushbutton
illuminated
Pushbutton
illuminated
Pushbutton
[3]
Pushbutton
illuminated
Pushbutton
illuminated
Pushbutton
illuminated
Pushbutton
illuminated
Pushbutton
illuminated
Pushbutton
(1NC) not il-
luminated,
with blanking
plate (red)
Pushbutton
(1NC) illu-
minated
Pushbutton
[4]
Emergency
stop
Emergency
stop
Emergency
stop
Emergency
stop
Pushbutton
illuminated
Pushbutton
illuminated
Emergency
stop
Signal contact
No
Yes
Yes
No
No
No
No
CSSEBlind plugPushbutton
illuminated,
2NO
LLLPPushbutton
illuminated
Pushbutton
illuminated
Pushbutton
illuminated,
2NO
Pushbutton
illuminated
Emergency
stop
Mushroom
head push-
button, black
CLLP y Blind plugPushbutton
illuminated
Pushbutton
illuminated
Mushroom
head push-
button, black
WLLESelector
switch
Pushbutton
illuminated
Pushbutton
illuminated
Emergency
stop
2x60°
DLLE yPushbutton
unillumin-
Pushbutton
illuminated
Pushbutton
illuminated
Emergency
stop
ated
LLMEPushbutton
illuminated
Pushbutton
illuminated
Indicator
lamp
Emergency
stop
} Pushbutton
– The pushbutton is used to switch a signal and as the status display.
No
No
Yes
No
Yes
No
Operating Manual PIT gb
1004627-EN-04
– The pushbutton lights up if the corresponding input is connected.
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Function description
} Key switch
} Key-operated pushbutton
} E-STOP pushbutton
} Selector switch
– The key switch is used to switch two signals and secure this switching through re-
moval of the key.
– Three locking positions (90° to the left, start position, 90° to the right)
– The key can be removed in all three positions.
– The key-operated pushbutton is used to switch a signal and secure this switching
through removal of the key.
– The key can be removed in the start position.
The E-STOP pushbutton is used to shut down plant and machine sections in order to reduce or avert imminent or existing hazards to persons and damage to machinery or materials.
– The selector switch is used to switch a signal.
– Three locking positions (60° to the left, start position, 60° to the right)
} Pushbutton unilluminated
– The pushbutton is used to switch a signal.
} Indicator lamp
– The indicator lamp is used as a status display.
– The indicator lamp lights up if the corresponding input is connected.
} Mushroom head pushbutton black
– The mushroom head pushbutton is used to switch off plant sections.
} Pushbutton not illuminated, with protruding blanking plate red
– The pushbutton is used to switch a signal.
4.2Assembly positions
Possible assembly positions for the PIT gb:
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Function description
The mounting brackets with which the PIT gb is fastened to the mounting surface can be
turned before assembly PIT gb (see figures).
Without turning the mounting bracketsTurning the mounting brackets 1x to the left
Turning the mounting brackets 1x to the
Turning the mounting bracket 2x to the right
right
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Page 14
Function description
3
5
6
10
12
7
9
8
4
12
11
H1
S1
S2
S3
S4.2
S4.1
H2
H3
2
3
5
6
10
7
9
8
12
4
S2
S3
S4.3
S4.2
S4.1
H2
H3
1
4.3Block diagrams
PIT gb LLLE/PIT gb LLLP
1+24 V UB
20 V UB
3E-STOP channel 1
7E-STOP channel 1
5E-STOP channel 2
9E-STOP channel 2
8Pushbutton 3
10LED pushbutton 3
(H3)
4Pushbutton 2
6LED pushbutton 2
(H2)
11Pushbutton 1
12LED pushbutton 1
(H1)
PIT gb CLLE y/PIT gb CLLP y
1+24 V UB
20 V UB
3E-STOP channel 1
7E-STOP channel 1
5E-STOP channel 2
9E-STOP channel 2
8Pushbutton 3
10LED pushbutton 3
(H3)
4Pushbutton 2
6LED pushbutton 2
(H2)
11Not connected
12Signal contact
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Page 15
Function description
2
3
5
6
7
9
4
12
11
S1
S2
S4.2
S4.3
S4.1
H2
8
S3
10
H3
1
PIT gb BLLE y/PIT gb DLLE y
1+24 V UB
20 V UB
3E-STOP channel 1
7E-STOP channel 1
5E-STOP channel 2
9E-STOP channel 2
8Pushbutton 3
10LED pushbutton 3
(H3)
4Pushbutton 2
6LED pushbutton 2
(H2)
11Key-operated pushbut-
ton
12Signal contact
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Page 16
Function description
3
5
6
7
9
4
12
11
S1.1
S2
S4.2
S1.2
S4.1
H2
10
H3
8
S3
12
3
6
10
12
7
8
4
12
11
H1
S1
S2
S3
H2
H3
S4
H4
PIT gb KLLE/PIT gb WLLE
1+24 V UB+24 V UB
20 V UB0 V UB
3E-STOP channel1E-STOP channel
1
7E-STOP channel1E-STOP channel
1
5E-STOP channel2E-STOP channel
2
9E-STOP channel2E-STOP channel
2
8Pushbutton 3Pushbutton 3
PIT gb LLLL
10LED pushbutton
3 (H3)
LED pushbutton
3 (H3)
4Pushbutton 2Pushbutton 2
6LED pushbutton
2 (H2)
11Key switch chan-
nel 1 (key turned
90° to the right)
LED pushbutton
2 (H2)
Selector switch
channel 1 (key
turned 60° to the
left)
12Key switch chan-
nel 2 (key turned
90° to the left)
Selector switch
channel 2 (key
turned 60° to the
right)
1+24 V UB
20 V UB
3LED pushbutton 4
(H4)
7Pushbutton 4
5Not connected
9Not connected
8Pushbutton 3
10LED pushbutton 3
(H3)
4Pushbutton 2
6LED pushbutton 2
(H2)
11Pushbutton 1
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12LED pushbutton 1
(H1)
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Function description
3
6
12
7
8
4
12
11
H1
S1
S2
S3
H2
S4
H4
3
5
6
10
12
7
9
8
4
12
11
H1
S1
S2
S3
S4.2
S4.1
H2
H3
PIT gb LLUL
1+24 V UB
20 V UB
3LED pushbutton 4
(H4)
7Pushbutton 4
5Not connected
9Not connected
8Pushbutton 3
10Not connected
4Pushbutton 2
6LED pushbutton 2
(H2)
11Pushbutton 1
12LED pushbutton 1
(H1)
PIT gb LLTE
1+24 V UB
20 V UB
3E-STOP channel 1
7E-STOP channel 1
5E-STOP channel 2
9E-STOP channel 2
8Pushbutton 3 (N/C)
10LED pushbutton 3
(H3)
4Pushbutton 2
6LED pushbutton 2
(H2)
11Pushbutton 1
12LED pushbutton 1
(H1)
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Page 18
Function description
3
5
6
10
12
7
9
8
12
4
11
S2.1
S2.2
S3.1
S3.2
S4.2
S4.1
H2
H3
3
5
6
10
12
7
9
4
12
11
H1
S1
S2
S4.2
S4.1
H2
H3
PIT gb CSSE
1+24 V UB
20 V UB
3E-STOP channel 1
7E-STOP channel 1
5E-STOP channel 2
9E-STOP channel 2
8Pushbutton 3.1
10LED pushbutton 3
(H3)
4Pushbutton 2.1
6LED pushbutton 2
(H2)
11Pushbutton 2.2
12Pushbutton 3.2
PIT gb LLME
1+24 V UB
20 V UB
3E-STOP channel 1
7E-STOP channel 1
5E-STOP channel 2
9E-STOP channel 2
8Not connected
10LED pushbutton 3
(H3)
4Pushbutton 2
6LED pushbutton 2
(H2)
11Pushbutton 1
12LED pushbutton 1
(H1)
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Page 19
Wiring
1
2
3
4
5
6
7
8
9
10
11
12
5Wiring
} The power supply must meet the regulations for extra low voltages with protective elec-
trical separation (SELV, PELV).
} Ensure the wiring and EMC requirements of EN 60204-1 are met.
} To connect the PIT gb to the evaluation devices, use a 12-pin cable with an A-coded M12
female connector (see Order reference: Accessories [ 42]).
Guidelines for UL certification
} Device rated Type 1, or equivalent.
} Use 75°C copper conductors 16-28 AWG only, or equivalent.
} Circuit protection shall be supplied by a fuse rated more than 4 A, or equivalent.
5.1Terminal assignment connectors
NOTICE
The colour marking for the connection lead only applies for the cable that
Pilz supplies as an accessory
12-pin M12 male connector
PINWire colour
1Brown
2Blue
3White
4Green
5Pink
6Yellow
7Black
8Grey
9Red
10Purple
11Grey-pink
12Red-blue
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Page 20
Installation
5 mm
[2]
[2]
[3]
5 mm
[1]
6Installation
6.1Installation of device
} The mounting surface must have a max. unevenness of 0.5mm.
} The housing of the PIT gb must make contact with the mounting surface over at least
5mm on both ends (see figure).
Legend
[1] Mounting surface
[2] Mounting bracket
[3] Housing
} To fasten the PIT gb, use M5 screws and the provided washers M5.
} Torque setting: Please note the information provided under Technical details [ 29].
Procedure:
1. Provide the mounting surface with drill holes for fastening the PIT gb (see
Dimensions [ 28]).
2. Turn the housing of the PIT gb in the bracket to the correct position for installation.
3. Fasten the PIT gb to the mounting surface and tighten the screws (including washers)
with 4 Nm.
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Installation
[1]
6.2Attach coloured caps
Apply the coloured cap (provided) to the control element and press on the coloured cap until it noticeably engages.
Ensure that the alignment marking on the coloured cap (see figure) is aligned flush with the
PIT gb or at a 90° angle to this.
Legend
[1] Alignment marking
6.3Exchange of control elements
Prerequisites
} The plant that is controlled by the PIT gb is not in operation and cannot be restarted
without an equivalent safety device.
} The new control element has the same design as the defective control element.
Required tool
} PIT gb fixing spanner (see Accessories [ 42]) for threaded ring of the control element
} Screwdriver for Torx Tx20
Procedure:
} Torque setting: Please note the information provided under Technical details [ 29].
1. Disconnect the connection of the PIT gb to the evaluation device.
2. Loosen the fixing screws of the PIT gb at the mounting surface.
3. Loosen the 6 fixing screws for the terminating plate of the PIT gb and remove the terminating plate.
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Installation
[1]
Legend
[1] Terminating plate
4. Loosen the fixing screws of the printed circuit board and carefully lift off the printed cir-
Operating Manual PIT gb
1004627-EN-04
cuit board (see figures).
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Installation
5. Loosen the threaded ring of the control element that is to be exchanged and remove
the threaded ring (see figure).
1. Remove the control element on the front of the PIT gb and insert the part of the new
2. Screw the control element to the threaded ring again using 1,2 Nm (see figure) and ap-
3. Screw the printed circuit board to the fixing screws with 1,8 Nm (see figure).
Operating Manual PIT gb
1004627-EN-04
control element.
The control element has a stud on its side to secure it against twisting. The stud must
be positioned correctly when inserting the control element.
ply the printed circuit board again.
a Make sure that the strands are not damaged, crushed or twisted here.
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Installation
[1]
4. Screw the fixing screws for the PIT gbterminating plate in again and tighten the screws
with 1,8 Nm.
a Make sure that the strands are not damaged, crushed or twisted here.
Legend
5. Screw the PIT gb onto the mounting surface with the fixing screws with 4 Nm.
6. Connect the PIT gb to the evaluation device.
7. Perform a manual function test [ 25] on the unit.
8. Recommission the plant that is controlled by the PIT gb.
Apply the coloured cap (provided) to the control element and press on the coloured cap until it noticeably engages.
Ensure that the alignment marking on the coloured cap (see figure) is aligned flush with the
PIT gb or at a 90° angle to this.
Operating Manual PIT gb
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[1] Terminating plate
Only commission the plant that is controlled by the unit if the function test was successful.
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Commissioning
7Commissioning
7.1Connection to evaluation device
Suitable Pilz evaluation devices for the actuation of the LED and reading out all control elements include:
} PNOZmulti
} PSSuniversal PLC
Suitable Pilz evaluation devices for the evaluation of the E-STOP:
} PNOZelog
} PNOZsigma
} PNOZ X
The correct connection to the respective evaluation device is described in the operating
manual for the evaluation device. Make sure that the connection is made in accordance
with the specifications in the operating manual for the selected evaluation device.
7.2Function test
Once the unit has been installed and aligned, final inspections must be carried out before it
can be put into service.
INFORMATION
This inspection may only be carried out by qualified personnel.
} Always test the function with a connected evaluation device.
} Check the function of the E-STOP.
} Check the function of the other control elements.
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Page 26
Troubleshooting
8Troubleshooting
ErrorCauseDescription/measure
LED off0V voltage supply not
present and/or no signal
at corresponding input
No output signal with control
element operation
Control element damagedExternal forceExchange defective control ele-
Function of the unit impairedConnection cable dam-
24V voltage supply not
present
aged
Check the wiring of the inputs
and outputs and rectify wiring
errors
Check the wiring of the inputs
and outputs and rectify wiring
errors
ment
Check connection cable and exchange if necessary
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Page 27
Checks and maintenance
9Checks and maintenance
It is not necessary to perform maintenance work on the product in normal operation. Please
return any faulty products to Pilz.
9.1Checks
Monthly check
} Perform a manual function test [ 25] of the PIT gb every month.
INFORMATION
This inspection may only be carried out by qualified personnel.
Check after modifications
Check the PIT gb each time the plant/machine is modified. Changing the PIT gb or swapping PIT gb components should also be regarded as a modification.
9.2Cleaning
Clean the unit every month with a soft cloth and a mild cleaning agent.
This product/these products meet the requirements of the directive 2006/42/EC for machinery of the European Parliament and of the Council. The complete EC Declaration of
Conformity is available on the Internet at www.pilz.com/downloads.
Authorised representative: Norbert Fröhlich, Pilz GmbH & Co. KG, Felix-Wankel-Str. 2,
73760 Ostfildern, Germany
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