MS9-SV-...-C
Soft start/quick exhaust valve
Operating instructions
8164018
2022-06a
[8164020]
Translation of the original instructions
© 2022 all rights reserved to Festo SE & Co. KG
1
About this document
This document describes the use of the soft start/quick exhaust valve.
The document contains additional information for use of the product in safety-
related systems (safety handbook in accordance with IEC 61508).
1.1
Target group
The document is targeted towards individuals who mount and operate the
product. It is additionally targeted towards individuals who are entrusted with
the planning and application of the product in a safety-oriented system.
1.2
Applicable documents
– Assembly instructions for cover MS6/9-SV-C-MK/MH as tamper protection
All available documents for the product è www.festo.com/sp.
1.3
Specified standards
Version
EN 60204-1:2016-10
EN ISO 4414:2010-11
EN ISO 13849-1:2015-12
Tab. 1: Standards specified in the document
2
Safety
2.1
Safety instructions
– Only use the product in its original condition without unauthorised modifica-
tions.
– Only use the product if it is in perfect technical condition.
– Observe the identifications on the product.
– Take into account the ambient conditions at the location of use.
– Before working on the product, switch off the power supply and secure it
against being switched on again.
– Observe the tightening torques. Unless otherwise specified, the tolerance is
± 20%.
– Only use compressed air as an operating medium in accordance with the speci-
fication è 12 Technical data.
2.2
Intended use
The product is intended for mounting in machines or automation systems and is
only to be used as follows:
– in an industrial environment
– in its original condition, without unauthorised modifications
– in safety-related systems only with cover MS9-SV-MK as tamper protection
– in perfect technical condition
2.3
Foreseeable misuse
Foreseeable misuse includes:
– outdoor operation
– Bypassing of safety functions
– use in reversible operation with reversal of supply air and exhaust air
– use in "Low Demand Mode" according to EN 61511
– vacuum operation
2.4
Training of qualified personnel
Work on the product may only be carried out by qualified personnel who can
evaluate the work and detect dangers. The qualified personnel have skills and
experience in dealing with electropneumatic (open-loop) control technology.
Festo SE & Co. KG
Ruiter Straße 82
73734 Esslingen
Deutschland
+49 711 347-0
www.festo.com
EN ISO 13849-2:2012-10
EN ISO 14118:2018-02
3
Additional information
– Contact the regional Festo contact if you have technical problems
è www.festo.com.
– Accessories è www.festo.com/catalogue.
Designation
Silencer
Cover, covers the manual override
Cover, covers the adjustment elements for the pressure switching point, the
main flow control and the manual override
Tab. 2: Accessories
4
Product overview
4.1
Structure
4.1.1
Product design
1
2
3
4
5
Fig. 1: Operating elements and
connections
4.1.2
Product variants
The following table lists selected product characteristics and codes that are
necessary for understanding the instruction manual. Complete type code
è www.festo.com/catalogue.
Key features
Code
Description
Series
MS
Standard service unit
Size
9
Grid dimension 90 mm
Function
-SV
Soft-start/quick exhaust valve
Port size
-3/4
Thread G 3/4
-1
Thread G 1
-AGD
Sub-base G 1/2
-AGE
Sub-base G 3/4
-AGF
Sub-base G 1
-AGG
Sub-base G 1 1/4
-AGH
Sub-base G 1 1/2
-N3/4
Thread N 3/4
-N1
Thread N 1
-AQR
Sub-base NPT 1/2
-AQS
Sub-base NPT 3/4
-AQT
Sub-base NPT 1
-AQU
Sub-base NPT 1 1/4
-AQV
Sub-base NPT 1 1/2
-G
Module without connection thread, without sub-base
-NG
Module without connection thread, without sub-base (port 3 in
NPT)
Performance Level
-C
in accordance with EN ISO 13849-1
Supply voltage
-V24
24 V DC (plug pattern in accordance with EN 175301-803, type C)
-10V24P
24 V DC (M12 in accordance with IEC 61076-2-101)
-V110
110 V AC (plug pattern in accordance with EN 175301-803,
type C)
-V230
230 V AC (plug pattern in accordance with EN 175301-803,
type C)
Options
-S
Silencer
Tamper protection
-MH
Cover - manual override (HHB) only
-MK
Cover – pressure switching point (DUP) and main flow control
valve (HD) adjusting screws, manual override (HHB)
Tab. 3: Product variants (selection)
4.2
Function
The MS9-SV-...-C electro-pneumatic pressure soft-start/quick exhaust valve is
intended for rapid pressure reduction and pressurisation in pneumatic line sys-
tems and terminal equipment in industry.
Type
U-1-B
MS9-SV-MH
MS9-SV-MK
Pilot solenoid valve
1
6
Manual override at the soft-start/quick
2
7
exhaust valve
8
3
Pneumatic port 1 (compressed air
inlet)
9
4
Pneumatic port 3 (exhaust)
Silencer
5
Manual override at the pilot solenoid
6
valve
7
Flow control screw for setting the
filling time
8
Adjusting screw for setting the pres-
sure switch point
Pneumatic port 2 (compressed air
9
outlet port)
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