Festo CMMT-AS-C7/12-11A-P3-S1, Operating Instructions Manual, Page: 15 / 16

Safety reference data for the safety sub-function STO
Circuitry
Without high
test pulses,
without or
with STA
evaluation With high
test pulses
and with STA
evaluation
1)
With high
test pulses
and without
STA evalua-
tion
Safe failure fraction SFF in
accordance with EN 61508 [%] 99 99 99
Hardware fault tolerance in
accordance with EN 61508,
HFT 1
Common cause factor for
dangerous undetected fail-
ures
β
in accordance with
EN 61508
[%] 5
Classification in accordance
with EN 61508 Type A
1) Safety sub-function STO tested and STA diagnostic output monitored by the safety controller at least 1 x
every 24 h.
Tab. 52: Safety reference data for the safety sub-function STO
Safety reference data for the safety sub-function SBC
Circuitry
Two brakes
1)
with
SBA evaluation 2)
One brake
3)
Without
SBA evaluation
Safety sub-function
in accordance with
EN 61800-5-2 Safe brake control (SBC)
Safety integrity level in
accordance with EN 61508 SIL 3 SIL 1
SIL claim limit for a sub-
system in accordance with
EN 62061 SIL CL 3 SIL CL 1
Category in accordance with
EN ISO 13849-1 Cat. 3 Cat. 1
Performance level in accord-
ance with EN ISO 13849-1 PL e PL c
Probability of dangerous
failure per hour in accord-
ance with EN 61508, PFH [1/h] 3.00 x 10
–10
9.00 x 10
–8
Mean time to dangerous
failure in accordance with
EN ISO 13849-1, MTTF
d
[a] 1400 950
Average diagnostic cov-
erage in accordance with
EN ISO 13849-1, DC
AVG
[%] 93 –
Operating life (mission
time) in accordance with
EN ISO 13849-1, T
M
[a] 20
Safe failure fraction SFF in
accordance with EN 61508 [%] 99 87
Hardware fault tolerance in
accordance with EN 61508,
HFT 1 0
Common cause factor for
dangerous undetected fail-
ures
β in accordance with
EN 61508
[%] 5
Classification in accordance
with EN 61508 Type A
1) One brake connected to BR+/BR− and a second brake connected to BR-EXT; 2-channel wiring and request
via #SBC-A and #SBC-B.
2) Safety sub-function monitored by the safety controller via the SBA diagnostic output at least once every
24 h.
3) Brake connected either to BR+/BR− or to BR-EXT; 1-channel request via the safety controller using #SBC-A
and #SBC-B; both inputs must be bridged externally.
Tab. 53: Safety reference data for the safety sub-function SBC
The technical data for the safety sub-function SS1 must be calculated individually
according to the application. Use the specified safety reference data for STO and
SBC for the calculation.
13.2 General technical data
Product conformity
CE marking (declaration of conformity
è www.festo.com/sp)
in accordance with EU EMC Directive
1)
in accordance with EU Machinery Directive
in accordance with EU RoHS Directive
1) The device is intended for use in an industrial environment and with appropriate measures in commercial,
residential and mixed areas.
Tab. 54: Product conformity
The protection objectives of the Low Voltage Directive are fulfilled in accordance
with the requirements of the EC Machinery Directive. The requirements of the
Low Voltage Directive are based on the product standard EN 61800-5-1. The valid
version of the product standard is listed in the declaration of conformity.
General technical data
Type ID code CMMT-AS
Type of mounting Mounting plate, attached with screws
Mounting position vertical, mounted on closed surface, free convection
with unhindered air flow from bottom to top
Product weight [kg] CMMT-AS-C7-11A-P3: 4.1
CMMT-AS-C12-11A-P3: 4.1
Tab. 55: General technical data
Ambient conditions, transport
Transport temperature [°C] −25 … +70
Relative humidity [%] 5
…
95 (non-condensing)
Max. transportation duration [d] 30
Permissible altitude [m] 12000 (above sea level) for 12 h
Vibration resistance Vibration test and free fall in packaging in accordance
with EN 61800-2
Tab. 56: Ambient conditions, transport
Ambient conditions, storage
Storage temperature [°C] −25
…
+55
Relative humidity [%] 5 … 95 (non-condensing)
Permissible altitude [m] 3000 (above sea level)
Tab. 57: Ambient conditions, storage
Ambient conditions, operation
Ambient temperature at nom-
inal power [°C] 0
…
+40
Ambient temperature with
derating
(–3%/°C at 40°C
…
50°C)
[°C] 0
…
+50
Cooling via ambient air in the control cabinet and additionally
via forced ventilation through an integrated fan
Temperature monitoring Monitoring of:
–
Cooling element (power module)
–
Air in the device
Switch-off if temperature is too high or too low
Relative humidity [%] 5
…
90 (non-condensing), no corrosive media per-
mitted near the device
Permissible setup altitude
above sea level at nominal
power [m] 0
…
1000
Permissible setup altitude
above sea level with derating
(–10%/1000 m at
1000 m
…
2000 m)
[m] 0 … 2000
Operation above 2000 m is not permitted!
Degree of protection in
accordance with EN 60529 IP20 (with attached mating plug X9A and with intended
mounting on closed backwall, otherwise IP10)
Requirements for installation
space Install in a control cabinet with at least IP54, design as
“closed electrical operating area” in accordance with
IEC 61800-5-1, Chap. 3.5
Protection class I
Overvoltage category III
Pollution degree 2 (or better)
Vibration resistance in
accordance with IEC 61800-5-1 and EN 61800-2
Shock resistance in accord-
ance with EN 61800-2
Tab. 58: Ambient conditions, operation
Service life
Service life of the device at
rated load in S1 operation
1)
and 40 °C ambient tempera-
ture
[h] 25000
Service life of the device at
<
50% rated load in S1 opera-
tion
1)
and 40 °C ambient tem-
perature
[h] 50000
1) Continuous operation under constant load
Tab. 59: Service life
13.3 Technical data, electrical
13.3.1 Load voltage supply [X9A]
Electrical data, load voltage supply [X9A]
Number of phases 3
Voltage range [V AC] 200 – 10 % … 480 + 10 %
Voltage range with derating
(–1.5 %/10 V AC) [V AC] 400 … 530
Nominal operating voltage [V AC] 400
System voltage in accordance
with IEC 61800-5-1 [V AC] 300
Mains frequency [Hz] 48 … 62