10/30
7MARKINGS
The outside of the device is provided with external marking positioned in a visible
place. Marking includes:
- Producer trademark
- Product code
- Batch number and date of manufacture. Example: A20 ST1-123456. The batch's first
letter refers to the month of manufacture (A=January, B=February, etc.) The second
and third letters refer to the year of manufacture (20 = 2020, 21 = 2021, etc…)
8 TECHNICAL DATA
8.1 Housing
Housing made of glass fibre reinforced technopolymer, self-extinguishing.
Versions with integrated cable 5 x 0.25 mm
2
or 8 x 0.25 mm
2
, length 2 m, other lengths
on request.
Versions with M12 plastic or stainless steel connector.
Versions with 0.2 m cable length and integrated M12 connector, other lengths on
request.
Maximum length of connecting cables: 50 m.
(The cable length and section alter the deactivation impulses at the safety outputs. Check that the
capacity between the connecting cable's conductors is lower than that permitted in the electrical
data of the safety outputs)
Protection degree: IP67 acc. to EN 60529, IP69K acc. to ISO 20653
(Protect the cables from direct high-pressure and high-temperature jets)
Materials of versions with integrated M12 connector: PA66, PC, AISI304
Materials of versions with PVC cable: PA66, PC, NBR, PVC, AISI304
Materials of versions with PUR cable: PA66, PC, NBR, PUR, AISI304
Materials of versions with cable and M12 connector: PA66, PC, NBR, PVC, PUR,
AISI304, nickel-plated brass
8.2 General data
For safety applications up to: SIL 3 acc. to EN 62061
PL e, cat. 4 acc. to EN ISO 13849-1:2015
Interlock, no contact, coded: type 4 acc. to EN ISO 14119
Level of coding acc. to EN ISO 14119: high with SM •1T actuators
low with SM •0T actuators
Safety parameters:
MTTF
D
: 1551 years
PFH
D
: 1,19E-09
DC: High
Mission time: 20 years
Operating temperature for articles without cable:
ST•••••MP,ST•••••MK:-25°C…+70°C
ST•••••MK-T8:-35°C…+85°C
Operating temperature for articles with cable:
ST•••••N•,ST•••••M•:-25°C…+70°C, fixed installation
-15…+70°C flexible, mobile installation
ST•••••H•:-25°C…+70°C fixed, flexible, mobile
installation
ST•••••N•-T8,ST••••H•-T8,ST••••M•-T8:-35°C…+85°C, fixed installation
-15…+85°C flexible, mobile installation
Storage temperature: -35°C…+85°C
Vibration resistance: 10 gn (10...150 Hz) acc. to IEC 60068-2-6
Shock resistance: 30 gn; 11 ms acc. to EN 60068-2-27
Pollution degree 3
8.3 Power supply electrical data
8.3.1 Power supply electrical data
Rated operating voltage U
e
: 24 Vdc SELV/PELV
10 ... 30 Vdc SELV/PELV(articlesSTH•••1••)
Supply voltage tolerance: ± 15% of U
e
(Only for 24 Vdc)
Operating current at U
e
voltage:
minimum: 20 mA
with all outputs at maximum power: 550 mA
Rated insulation voltage U
i
: 32 Vdc
Rated impulse withstand voltage U
imp
: 1.5 kV
External protection fuse: 1 A type Gg or equivalent device
Overvoltage category: III
8.3.2 Electrical data of IS1/IS2/I3/EDM inputs
Rated operating voltage U
e1
: 24 Vdc
10...30Vdc(articlesSTH•••1••)
Rated current consumption: 2.5 mA
Switching time EDM state (t
EDM
): 500 ms
8.3.3 Electrical data of OS1/OS2 safety outputs
Rated operating voltage U
e2
: 24 Vdc
10...30Vdc(articlesSTH•••1••)
Output type: PNP type OSSD
Maximum current per output I
e2
: 0.2 A
Minimum current per output I
m2
: 0.5 mA
Thermal current I
th2
: 0.2 A
Utilization category: DC-13; U
e2
=24 Vdc, I
e2
=0.2 A
Short circuit detection: Yes
Overcurrent protection: Yes
Resettable internal protection fuse: 0.3 A
Duration of the deactivation impulses at the safety outputs: < 300 μs
Permissible capacitance between outputs: < 200 nF
Permissible capacitance between output and ground: < 200 nF
Response time (tr
I
) after deactivation of inputs IS1 or IS2: < 15 ms
Response time (tr
A
) after actuator removal: < 60 ms
Availability time: 2 s
8.3.4 Electrical data of O3 signalling output
Rated operating voltage U
e3
: 24 Vdc
10...30Vdc(articlesSTH•••1••)
Output type: PNP
Maximum current per output I
e3
: 0.1 A
(a)
Utilization category: DC-13; U
e3
=24 Vdc, I
e3
=0.1 A
(a)
Short circuit detection: No
Overcurrent protection: Yes
Resettable internal protection fuse: 120 mA
(a)
0,05AforarticlesST•••••••-T8withoperatingtemperatureT>70°C
8.3.5 Actuation data
(A) (B)
Assured operating distance S
ao
: 8 mm 14 mm
Assured release distance S
ar
: 20 mm 26 mm
Rated operating distance S
n
: 11 mm 18 mm
Rated release distance S
nr
: 13 mm 20.5 mm
(A)=withSMG•T,SMD•T,SML•T,SMH•Tactuators;(B)=withSME•Tactuators
Repeat accuracy: ≤ 10 % s
n
Differential travel: ≤ 20 % s
n
RFID transponder frequency: 125 kHz
Max. switching frequency: 1 Hz
Minimum distance between two sensors: 50 mm
Magneticholdingforceoftheactuator:25N(articlesSTHE•••••-H•TE)
40N(articlesSTHE•••••-H•TF)
50N(articlesSTHE•••••-H•TG)
8.4 Compliance with standards
EN ISO 14119, IEC 61508-1, IEC 61508-2, IEC 61508-3, IEC 61508-4,
EN ISO 13849-1, EN ISO 13849-2, EN 62061, EN 60947-5-3, EN 60947-5-2,
EN 60947-1, EN 61326-1, EN 61326-3-1, EN 61326-3-2, EN IEC 63000,
ETSI EN 301 489-1, ETSI EN 301 489-3, ETSI 300 330-2, UL 508, CSA 22.2 No.14
8.5 Compliance with directives
Machinery Directive 2006/42/EC, EMC Directive 2014/30/EU, Radio Equipment
Directive 2014/53/EU, RoHS Directive 2011/65/EU, FCC Part 15
9SPECIALVERSIONSONREQUEST
Special versions of the device are available on request.
The special versions may differ substantially from the indications in these operating
instructions.
The installer must ensure that he has received written information from the support
service regarding installation and use of the special version requested.
10 DISPOSAL
At the end of service life product must be disposed of properly, according to the
rules in force in the country in which the disposal takes place.
11 SUPPORT
The device has been created for safeguarding people’s physical safety, therefore in
case of any doubt concerning installation or operation methods, always contact our
technical support service:
Pizzato Elettrica Srl - Italy
Via Torino, 1 - 36063 Marostica (VI)
Telephone +39.0424.470.930
E-mail tech@pizzato.com
www.pizzato.com
Our support service provides assistance in Italian and English.
12 EC CONFORMITY DECLARATION
I, the undersigned, as a representative of the following manufacturer:
Pizzato Elettrica Srl - Via Torino, 1 - 36063 Marostica (VI) – ITALY
hereby declare that the product is in conformity with whatever prescribed by the 2006/42/
EC Machine Directive. The complete version of the present conformity declaration is
available on our website www.pizzato.com
Marco Pizzato
DISCLAIMER:
Subject to modifications without prior notice and errors excepted. The data given in this sheet are
accurately checked and refer to typical mass production values. The device descriptions and its
applications, the fields of application, the external control details, as well as information on installation
and operation, are provided to the best of our knowledge. This does not in any way mean that the
characteristics described may entail legal liabilities extending beyond the “General Terms of Sale”, as
stated in the Pizzato Elettrica general catalogue. Customers/users are not absolved from the obligation
to read and understand our information and recommendations and pertinent technical standards,
before using the products for their own purposes. Taking into account the great variety of applications
and possible connections of the device, the examples and diagrams given in the present manual are
to be considered as merely descriptive; the user is deemed responsible for checking that the specific
application of the device complies with current standards. This document is a translation of the original
instructions. In case of discrepancy between the present sheet and the original copy, the Italian version
shall prevail. All rights to the contents of this publication are reserved in accordance with current
legislation on the protection of intellectual property. The reproduction, publication, distribution and
modification, total or partial, of all or part of the original material contained therein (including, but not
limited to, texts, images, graphics), whether on paper or in electronic form, are expressly prohibited
without written permission from Pizzato Elettrica Srl.
All rights reserved. © 2021 Copyright Pizzato Elettrica