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PEPPERL+FUCHS
Lilienthalstraße 200
D-68307 Mannheim
Made in Germany
YoC:
VAA-2E2A-KE1-SE
AS-i Safety Slave IP20
Translation
VAA-2E2A-KE1-SE
of the original operating instructions
AS-i Safety Input Module
for optoelectronic protective devices
Notes on using these connection and operating instructions
These connection and operating instructions contain information regarding the proper
and effective use of the module.
Safety precautions and warnings are designated by the
symbol.
Pepperl+Fuchs GmbH is not liable for damage resulting from improper use of its
equipment. Familiarity with these instructions constitutes part of the knowledge re-
quired for proper use.
© Reprint and reproduction, in whole or in part, only with the explicit permission of:
Pepperl+Fuchs GmbH
Lilienthalstraße 200 * 68301 Mannheim
Telefon (06 21) 7 76-11 11
Telefax (06 21) 7 76 27-11 11
*
Internet http://www.pepperl-fuchs.com
This operating instruction is a part of the scope of delivery.
Specified normal operation
The „AS-i Safety Input Module" is a decentralized input module for the
integration of safety components into the AS-i Safety at Work (SaW)
safety bus system.
The module provides a safety SaW code sequence if the input signal is
within the adjustable safety range.
The module is approved for safety applications up to Category 4 / PL e /
SIL 3.
The module may only be operated within the limits of its technical spec-
ifications. It may only be operated with the specified current and voltage
values.
For connecting and commissioning the module, comprehension of the
operating instructions as well as the operating instructions of ASIMON
configuration and diagnostic software is necessary.
The orderer has to guarantee the traceability of the devices via the serial
number.
Person protection function
The module fulfills a person protection function. Improper installation im-
pairs the function! The manufacturer of the machine/plant in which the
safety related system is used is responsible for the correct and safe total
function of every individual safety component! Depending on the choice
of safety devices used, the safety system as a whole may also be as-
signed to a lower safety category!
Technical data
Connection
Connection
3 x COMBICON
1
Length of connector cable
unlimited
AS-i
Profile
S-7.B.1, ID1=F
Address
1 Single Slave
Operating voltage
22 ... 31,6 V
≥M3
Required Master profile
Since AS-i specification
2.1
Max. current input
35 mA
AUX
2015
Voltage
24 V (20 ... 30 V
DC
Max. current input
4 A max.
Input
Number
2 / 1 safety inputs with two channels for OSSDs
Power supply
aus AUX
Power supply
1,8 A aus AUX
for external sensor
V
> 11 V for High-Level,
Switching threshold
in
Input current ≥ 2,5 mA at 15 V
OSSD input test pulses
0 ... 50 Hz
U
≥ 21,5 V= 0 ... 1 ms test pulses possible
aux
OSSD input test pulse width
U
≥
17 V= 0 ... 0,8 ms test pulses possible
aux
U
17 V= 0 ... 0,6 ms
<
aux
Output
Number
2, electronic, short circuit protected
Power supply
out of AUX
Max. output current
1 A per output (see diag. <Derating>)
Display
LED display
see table "LED status display"
Environment
Ambient temperature
0 °C ... +55 °C
Storage temperature
-40°C ... +85°C
Protection category (EN 60529)
IP20
Allowable shock and vibration
≤ 15 g, T ≤ 11 ms
stress
10 ... 55 Hz, 0,5 mm Amplitude
Dimensions (L / B / H in mm)
99,6 / 22,5 / 50,5
loop resistance ≤ 150 Ω
1.
Derating
I OUT, max. [A]
1A
0,5A
T amb [°C
45°C
55°C
Safety characteristics
Characteristics
Value
Safety category
4
Performance level (PL)
e
Safety Integrity Level (SIL)
3
Service life (T
) [year]
20
M
Maximal power-on time [month]
12
PFD
8,00E
1,48E
PFH
[1/h]
D
2,83E
Max. system response time [ms]
10
To determine the safety characteristics (PFD and PFH), the values of all components
used in this function are to be considered. The module
no significant contribution to the PFD or PFH values of the complete system. For the
values of other components, please refer to the relevant documentation.
Response time
The response time corresponds to the processing time in the AS-i slave. It is the max-
imum (i.e. also in the case of a fault) required time between the opening of the switch-
ing contacts and the operational availability in the AS-i chip of the slave. For the
computation of the safety distance of a protective device, the following things (among
others) must be considered:
•
the response time of the AS-i slave
•
the response time of the safety monitor
•
the follow-up time of the machine or production line.
Information about the response times of the respective devices can be
found in the corresponding operating instructions.
Operating elements and terminal connections
In1, In2
) (PELV)
O1, O2
0 V
ext.out
24 V
ext.out
AS-i +/–
AUX+/-
ext.in
ADDR
– +
–
+
ASI
AUX
(24 V
)
DC
Assembly
[1]
The module is mounted on 35 mm standard rails in accordance with EN 60715.
For assembling, position the module on the upper edge of the standard rail and then
snap it onto the bottom edge.
Install the safety relay in a control cabinet with a minimum protection
type of IP54!
Have installation done professionally
Electrical installation is to be performed by a trained expert. During in-
stallation, care must be taken that supply and signal cables and also the
AS-i bus cable are laid separately from high-voltage cables. In the
switch cabinet, it must be ensured that appropriate spark quenching
equipment is used with contactors. Where drive motors and brakes are
used, attention must be paid to the installation instructions in the corre-
sponding operating instructions. Please note that the maximum cable
length of the AS-i bus cable is 100 m. Cables above that length require
Standard
the use of a suitable circuit extension.
EN ISO 13849-1
The module is an ESD unsecured building group. When assembling the
relevant ESD preventive measures are to be kept!
EN 62061
Requirements on the power supply +24 V
EN ISO 13849-1
EN 62061
The externally connectable circuits must be reliably separated from the
-07
mains!
EN 61508
-09
EN 61508
The power supply of the +24 V
networks.
-09
EN 62061
EN 62061
The AS-i and/or the 24 V must be supplied by a PELV power supply!
VAA-2E2A-KE1-SE
provides
Maintenance
The proper function of the module within the system to be secured, i.e. the safe shut-
down following the triggering of an assigned safety related sensor or switch, is to be
checked at least once a year by the safety officer.
For this purpose, every safety related AS-i slave must be activated at
least once per year and the switching behavior must be inspected by
monitoring the output circuits of the AS-i safety monitor.
The maximum power-on time and total operating time depends on the
PFD value selected for the overall failure probability.
When the maximum power-on time has been reached (see safety char-
acteristics), the safety system must be checked to ensure that it is func-
tioning correctly by prompting the shutdown function.
When the maximum service life (T
be checked at the manufacturer's factory to ensure that it is functioning
Connection to input OSSD 1/2
correctly.
Connection to output O1/O2
Reference potential for the outputs and protec-
Addressing
tive devices
Supply voltage for the optoelectronic protective
For the addressing of the module, both an AS-i master and a hand-held can be used.
devices
If a hand-held is being used, it should be connected to the addressing socket on the
AS-i connection
Supply voltage for the conventional outputs and
module.
voltage supply input for the electrical protective
devices
The proper safety function of the device must be verified in the asset in
Addressing socket
any case!
LED status display
LEDs
PWR
(green)
FAULT
(red)
AUX
(green)
0,6 Nm (5 Ib
.
in)
0,6 x 3,5 mm
f
7
2
0,2 ... 2,5 mm
7
Out 1/2
2
0,2 ... 2,5 mm
(yellow)
AWG
24 ... 12
In1/2
[2]
(yellow)
LED on
LED flashing
Connection examples
24 V
ext out
0 V
ext out
24 V
ext out
S2
0 V
ext out
S1
(AUX)
EXT
O1
O2
0 V
ext out
may only occur via SELV or PELV
EXT
) has been reached, the device must
M
Status Description
no supply power
supply power present
AS-i communication ok
peripheral fault
AS-i communication error
no auxiliary voltage
auxiliary voltage ok
output switched off
output switched on
corresponding input not switched
corresponding input switched
LED off
transmitter
laser scanner
24 V
ext out
S2
0 V
ext out
S1
FE
transmitter/
receiver
receiver
24 V
ext out
S2
0 V
ext out
S1
FE
FE
Out 1 / Out 2
Out 1
O1
0 V
ext out
Out 2
O2
0 V
ext out
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