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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 ME-30••••, CS ME-31••••.
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 contact expansion modules to which these usage instructions apply 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 relay must open its
output contacts within the defined release time.
3.2 Device functions
This device is suitable for the following applications: as contact expansion mod-
ule in safety circuits up to category 4 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 (the respective achievable category,
SIL and PL are dependent on the upstream safety module).
- Possibility for 1- or 2-channel control.
- Connection of input channels of opposite potentials.
- Output contacts: 4 NO safety contacts, 2 NC auxiliary contacts, 1 NC feedback
contact.
- Versions with permanent or adjustable delay times.
- LED indicators for switching state of the channels 1 and 2.
- 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.
4 OPERATION
4.1 Operating diagram
CS ME30••••
CS ME31••••
t
A
Legend:
t
: Response time
A
t
: Release time in absence of power supply
R
NOTE: The release time in the absence of power supply t
seconds for articles CS ME-30••••-TFx, while with articles CS ME-31••••-TSx it can be
set in increments of 1 second in the range from 1 to 12 seconds.
A1/A2
Y1/Y2
17/18, 27/28,
37/38, 47/48
55/56, 65/66
t
R
is permanently set to x
R
4/12
e-mail:
Pizzato Elettrica Srl
web site: www.pizzato.com
via Torino, 1
36063 MAROSTICA (VI)
Phone:
ITALY
4.2 Selection of the release time t
With article CS ME-31••••-TS12, the release time t
of 1 second in the range from 1 to 12 seconds. The setting is performed with the dip
switch on the front side of the expansion module.
DIP SWITCH
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
4.2 Wiring diagrams
1-channel control
L / +
F
13
Start input,
reset and/or feedback
Base module
14
N / -
2-channel control
L / +
F
23
13
Start input, reset
and/or feedback
Base module
24
14
N / -
5 INTERNAL WIRING DIAGRAM
L / +
A1
LED
C1
CH1
K1
LED
CH2
A2
N / -
:
Insulated against U
imp
info@pizzato.com
ZE FOG42A19-EU
+39.0424.470.930
(CS ME-31••••-TS12 articles only)
R
can be selected in increments
R
t
DIP SWITCH
R
ON
1 s
OFF
ON
2 s
OFF
ON
3 s
OFF
ON
4 s
OFF
ON
5 s
OFF
ON
6 s
OFF
Manual start
Automatic start
Y1
Y2
CS ME-30 / CS ME-31
expansion module
A1
A2
Manual start
Automatic start
Y1
Y2
CS ME-30 / CS ME-31
expansion module
A1
A2
Y1
17
27
37
47
C2
K2
Y2
18
28
38
48
t
R
7 s
8 s
9 s
10 s
11 s
12 s
55
65
56
66
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