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6 INCREASE OF THE NUMBER AND THE LOADING CAPACITY OF THE CONTACTS
If necessary it is possible to increase the number and the loading capacity of
the output contacts by using external contactors with forced guided contacts.
L /+
K4
F
F
K3
S12
S34
13
23
14
24
K3
K4
N /-
Feedback circuit for external
contactors with automatic start wiring
7 TROUBLESHOOTING
Led lights
Possible failure
PWR
CH1
CH2
• Lack of power supply to safety
Off
Off
Off
module;
• Wrong connection;
• PWR wires cut down;
• Breakdown of external fuses;
• Short circuit between channels;
• Failure of safety module;
PWR
CH1
CH2
• Wrong connection;
On
Off
On
• Stick contacts of emergency
stop or the device of the safety
gate monitoring connected to
S21-S22;
• Stick contacts of the start button
(monitored start);
• Failure of safety module;
PWR
CH1
CH2
• Stick contacts on the emergency
On
On
Off
stop or on the device of the
safety gate monitoring con-
nected to S11-S12;
• Failure of safety module;
PWR
CH1
CH2
• Wrong connection;
On
Off
Off
• External contactors stick or
failure in the expansion module;
• Input wires cut down;
• Open circuit of one or both
contacts of emergency stop of
safety gate monitoring;
• Missing automatic cycle for
manual or monitored start
(start impulse) or closure
of both channels for the
automatic start;
• Failure of safety module;
8 MAINTENANCE
The module is maintenance free.
9 INTERNAL WIRING DIAGRAM
L / +
A1
S11
S12
K1
LED
PWR
LOGIC
CIRCUIT
S21
A2
S35
N / -
EC DECLARATION OF CONFORMITY
The undersigned, representing the following manufacturer :Pizzato Elettrica s.r.l. , Via Torino, 1 - 36063 Marostica
(VI) - Italy
herewith declares that the product is in conformity with the Machinery directive 2006/42/CE. The complete EC
Declaration of Conformity is available on
www.pizzato.com
Ing. Pizzato Giuseppe
L /+
K4
F
K3
S12
S34
13
14
K3
N /-
Feedback circuit for external
contactors with manual or monitored
start wiring
Recommended
actions
Verify the connec-
tions and check
the fuse. If the fault
persists, replace the
module.
Check the wiring,
the start button and
the emergency stop/
safety gate. If the fault
persists, replace the
module.
Check the wiring and
the emergency stop/
safety gate. If the fault
persists, replace the
module.
Check the wiring,
the channels and the
start confi guration.
If the fault persists,
replace the module.
S34
13
23
33
41
LED
LED
CH1
CH2
LOGIC
CIRCUIT
K2
14
34
S22
24
42
10 TECHNICAL DATA
10.1 Housing
Dimensions (L x H x S):
Cross section of the conductors:
F
Terminals driving torque:
10.2 General data
Performance Level (PL):
23
24
Ambient temperature:
Mechanical endurance:
Electrical endurance:
K4
Rated impulse withstand voltage U
Rated insulation voltage U
Over-voltage category:
10.3 Supply
Rated operating voltage U
Max residual ripple in DC:
Supply voltage tolerance:
Rated power consumption AC:
Rated power consumption DC::
10.4 Control circuit
Protection against short circuits:
Operating time of PTC:
Max input resistance :
Min. period of start impulse t
Releasing time on de-energisation t
Simultaneity time t
10.5 Output circuit
Max. switching voltage:
Max. switching current per contact:
Conventional free air thermal current Ith:
Max currents sum Ith
Contacts resistance :
Protection fuse outside:
Max. switching capacity:
Utilization category (EN 60947-5-1):
Utilization category (UL508):
10.6 Conforms to the standards
Conforms to the standards:
Conforms to the directives:
Clearance and creepage distances in
DISCLAIMER:
Technical modifi cations and errors reserved. The data in this sheet have been carefully checked and represent typical
values of series production.
The descriptions of the device and its applications, its usage contexts, the details on external controls, and the installation
and operating information are given to the best of our knowledge. This does not mean, however, that any legal responsibility
or other claims under liability law that extend beyond the "General Sales Terms" stated in the Pizzato Elettrica General
Catalogue may be derived. The user is not absolved of his obligation to examine our information, recommendations, and
relevant technical regulations before using Pizzato products for his own purposes. 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.
Material:
Polyamide PA 6.6 class V0 (UL94)
Protection degree:
IP 40 (housing), IP 20 (terminal board)
111,5 x 99,0 x 22,5 mm
0,2 ... 2,5 mm
24 ... 12 AWG
0,5 ... 0,6 Nm
SIL level (SIL CL):
up to SIL 3 according to EN 62061
up to PL e according to EN ISO 13849-1
Safety category:
up to category 4 according to EN ISO 13849-1
152 years
MTTF
:
d
1.84 E-10
PFH
:
d
Mission Time:
20 years
-25°C ... +55°C
>10 millions of operations
>100.000 operations
Pollution degree:
outside 3, inside 2
:
4 kV
imp
250 V
:
i
II
Weight:
0,3 kg
:
24 Vac/dc; 50...60 Hz
n
120 Vac; 50...60 Hz
230 Vac; 50...60 Hz
10%
±15% of U
< 5 VA
< 2 W
resistance PTC, Ih=0,5 A
intervention > 100 ms, reset > 3 s
50
≤
Ω
Input current:
< 30 mA
:
> 100 ms
MIN
< 50 ms
Availability time t
:
A
< 20 ms
Reaction time t
:
R1
:
< 70 ms
R
:
infi nite
C
Output contacts:
3 NO safety contacts,
1 NC auxiliary contact
Contacts type:
Forced guided contacts
Contacts material:
Silver alloy, gold plated
230/240 Vac; 300 Vdc
6 A
6 A
2
:
64 A
2
Min. current:
10 mA
100 m
4 A
1380 VA/W
AC15, Ue=230 V, Ie=3 A;
DC13, Ue=24 V, Ie=4 A
C300
EN 60204-1, EN 999, EN 1037, EN ISO
12100-1, EN ISO 12100-2, EN ISO 13850,
EN 60529, EN 61000-6-2, EN 61000-6-3,
EN 62326-1, EN 60664-1, EN 60947-1, EN
ISO 13849-1:2008, EN ISO 13849-2:2012,
EN 62061:2005 + EC:2010 + A1:2013, UL
508, CSA C22.2 n° 14-95
2006/95/EC, 2006/42/EC, 2004/108/EC
EN 60947-1
accordance with:
At the end of service life product must be disposed of properly
2
n
(6 operations/minute)
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