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Les langues disponibles
1 INFORMATION ON THIS DOCUMENT
1.1 Function
The present operating instructions provide information on installation, connection and
safe use for the following articles: CS AR-24••••, CS AR-25••••.
1.2 Target audience
The operations described in these operating instructions must be carried out by quali-
fied personnel only, who are fully capable of understanding them, and with the techni-
cal qualifications required for operating the machines and plants in which the safety
devices are to be installed.
1.3 Application field
These instructions apply exclusively to the products listed in paragraph Function, and
their accessories.
1.4 Original instructions
The Italian language version is the original set of instructions for the device. Versions
provided in other languages are translations of the original instructions.
2 SYMBOLS USED
This symbol indicates any relevant additional information
Attention: Any failure to observe this warning note can cause damage or mal-
function, including possible loss of the safety function.
3 DESCRIPTION
3.1 Device description
The safety device described in this manual is defined according to the Machinery
Directive 2006/42/EC as logic component for safety functions.
The safety modules to which these usage instructions refer are devices specifically
designed and manufactured for use on industrial machines. Upon opening of at least
one channel, the safety function ensures that the safety relays must open their out-
put contacts within the defined reaction time. The safety outputs of the module are
enabled only if the channels CH1 and CH2 are closed and after activating the START
signal.
3.2 Device functions
This device is suitable for the following applications: as a module for emergency
stop, for end position monitoring with movable guards, in safety circuits up to category
3 acc. to EN ISO 13849-1, up to SIL 3 acc. to EN 62061 and up to PL e acc. to
EN ISO 13849-1.
- Input with 1 or 2 channels.
- The SIL 3 / PL e safety function is only available with the two redundant inputs
configuration.
- Output contacts: 4 NO safety contacts, 1 NC auxiliary contact.
- Choice between automatic start, manual start (CS AR-24•••• articles only) or
monitored start (CS AR-25•••• articles only).
With reference to the "automatic" operating mode, consider RES 1.2.3 of the
Machinery Directive 2006/42/EC: "For machinery functioning in automatic mode, the
starting of the machinery, restarting after a stoppage, or a change in operating condi-
tions may be possible without intervention, provided this does not lead to a hazardous
situation".
- Connection of input channels of opposite potentials.
- Short circuit detection function of the control elements by means of safety system
with self-monitoring and redundancy.
- LED indicators for switching state of the channels 1, 2 and for the power supply
voltage.
- Without muting input, no bridging of the safety function.
- In the event of a failure, the device switches to a safe state and deactivates the
safety output.
- Screw terminals or plug-in terminals with screw connections or spring terminals (de-
pending on the model).
- Snap-mounting on DIN rails.
3.3 Intended use of the device
- The device described in these operating instructions is designed to be applied on
industrial machines.
- The direct sale of this device to the public is prohibited. Installation and use must be
carried out by qualified personnel only.
- The use of the device for purposes other than those specified in these operating
instructions is prohibited.
- Any use other than as expressly specified in these operating instructions shall be
considered unintended by the manufacturer.
- Also considered unintended use:
a) using the device after having made structural, technical, or electrical modifications
to it;
b) using the product in a field of application other than as described in paragraph
TECHNICAL DATA.
e-mail:
Pizzato Elettrica Srl
web site: www.pizzato.com
via Torino, 1
36063 MAROSTICA (VI)
Phone:
ITALY
4 OPERATION
4.1 Operating diagram
Automatic
start
(CS AR-24••••
:
articles only)
t
C
Monitored
start
(CS AR-25••••
:
articles only)
t
t
A
C
Manual start
(CS AR-24••••
:
articles only)
t
A
Legend:
t
: Min. duration of start impulse
MIN
t
: Simultaneity time
C
t
: Response time
A
4.2 Wiring diagrams
Emergency stop circuits
Input configuration with manual start
1 channel
L / +
A1
S11
S33
CS AR-24 / CS AR-25
A2
S34
N / -
Automatic start (only for CS AR-24•••• articles)
With regard to the indicated diagrams, short-circuit the S33
and S34 terminals in order to activate the automatic start
module.
S34
S34
Monitored start (only for CS AR-25•••• articles)
Use the safety module with the circuit diagrams for manual
start.
Movable guard monitoring
The safety module can monitor emergency stop circuits
and control circuits for movable guards. Replace the
emergency stop contacts with the switch contacts.
4/12
info@pizzato.com
+39.0424.470.930
t
t
t
R1
A
t
t
t
t
t
R1
A
MIN
A
t
t
t
t
R1
A
MIN
t
: Release time
R1
t
: Release time in absence of power
R
supply
Input configuration with manual start
2 channels
L / +
A1
S11
CS AR-24 / CS AR-25
A2
N / -
ZE FOG59A19-EU
POWER - A1/A2
S11/S12
13/14, 23/24,
33/34, 43/44
51/52
R
POWER - A1/A2
S11/S12
S33/S34 (START)
13/14, 23/24,
33/34, 43/44
51/52
R
A1/A2
S11/S12
S33/S34 (START)
13/14, 23/24,
33/34, 43/44
51/52
R
S33
S34
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