6
Operating instructions
Opto-Tube
AST LC ST-AS
EN
There are no residual risks, provided that the safety instructions as well
as the instructions regarding mounting, commissioning, operation and
maintenance are observed.
1.6 Warning about misuse
In case of improper use or manipulation of the safety
switchgear, personal hazards or damages to machinery
or plant components cannot be excluded. The relevant
requirements of the standard EN 1088 must be observed.
1.7 Exclusion of liability
We shall accept no liability for damages and malfunctions resulting from
defective mounting or failure to comply with this operating instructions
manual. The manufacturer shall accept no liability for damages
resulting from the use of unauthorised spare parts or accessories.
For safety reasons, invasive work on the device as well as arbitrary
repairs, conversions and modifications to the device are strictly
forbidden; the manufacturer shall accept no liability for damages
resulting from such invasive work, arbitrary repairs, conversions and/or
modifications to the device.
2. Product description
2.1 Ordering code
This operating instructions manual applies to the following types:
AST LC ST-AS
2.2 Special versions
For special versions, which are not listed in the order code below 2.1,
these specifications apply accordingly, provided that they correspond
to the standard version.
2.3 Purpose
The Opto-Tube AST LC ST-AS is a safe connecting module with two
semi-conductor (p-type) inputs for non-contact safety guards. The
Opto-Tube is suitable for connecting a light grid (to EN 61496) with two
monitored semi-conductor outputs (OSSD). The Opto-Tube must be
exclusively operated in combination with the ASM safety monitor.
The component status can be evaluated through a PLC with
AS-Interface master. The safety-related functions are enabled
by means of the AS-i safety monitor.
The user must evaluate and design the safety chain in
accordance with the relevant standards and the required
safety level.
LED display
The LED's have the following meaning (to EN 50295):
Green LED:
AS-Interface supply voltage
Red LED:
AS-Interface communication error
Yellow LED:
Enabling status OSSD 1/2
2.4 Technical data
Standards:
EN 50295, EN 60947-5-1, EN ISO 13849-1, IEC 61508
Enclosure:
glass-fibre reinforced thermoplastic
self-extinguishing
AS-Interface connection:
M12 connector
Protection class:
IP67 to IEC/EN 60529
AS-Interface voltage range:
26.5 ... 31.6 VDC,
through AS-Interface, reverse polarity-proof
AS-interface power consumption:
≤ 50 mA
AS-Interface specification (V2.1):
Profile: S-0.B
IO-Code: 0 x 0
ID-Code: 0 x B
IO-Code1: 0 x F
IO-Code2: 0 x E
AS-interface inputs:Contact 1:
Data bits D0 / D1 =
static 00 or dynamic code transmission
Contact 2: Data bits D2 / D3 = static 00
or dynamic code transmission
Outputs:
A0 ... A3 no function
Parameter bits:
P0 ... P3 no function
Input module address:
preset to address 0,
can be changed through AS-interface bus master
or hand-held programming device
Diagnostic information:
LED indication:
LED green: Supply voltage
LED red: Communication error
LED yellow: Enabling status OSSD 1/2
Voltage supply for non-contact safety switchgear:
PELV unit
to IEC 364-4-41
Response time:
≤ 20 ms
EMC rating:
to EMC-Directive
Ambient temperature:
−25 °C ... +60 °C
Storage and transport temperature:
−25 °C ... +85 °C
2.5 Safety classification
Standards:
EN ISO 13849-1, IEC 61508
PL:
up to e
Control category:
up to 4
PFH value:
1.74 x 10
-9
/h
SIL:
up to 3
Service life:
20 years
3. Mounting
3.1 General mounting instructions
The component can be mounted in any position. The cylindrial AS-i
slave can be fitted in an M30 mounting hole; alternatively, the H 30
clamp (accessory) can be used for the fitting. The connecting cables
for the safety components and the bus connection must be laid without
sharp edges or buckling.
3.2 Dimensions
All measurements in mm.
2
ca. 2000
70
66
¤
2
8
25
16,5
M30x1,5
ca. 500
ST2
ST1
Connection of the components:
AS-i, voltage supply (ST1) and light grid (ST2)
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