Configurable Safety System SAFEMASTER PRO
44
0265525 / 16.05.19 en / 101A
OUTPUT MODULE RELAY UG 6912.14 AND UG 6912.28
PFH
d
computation has been done under the following assumptions:
h
op
in hours per day: 16
d
op
in days per year: 220
t
Cycle1
: 300 s (one commutation every 5 minutes)
t
Cycle2
: 3600 s (one commutation every hour)
t
Cycle3
: 24 std (one commutation every day)
Taking in account that the Relay feedback contact connection has been done as described in section
EXAMPLE
OF CONNECTION TO THE MACHINE CONTROL SYSTEM
, every dual channel connected to SAFEMASTER
PRO module has the following safety values (PFH
d
, SFF acc. to IEC 61508, MTTF
d
and DC
avg
acc. to
EN ISO13849-1):
FEEDBACK contact present:
PFH
d
:
SFF
MTTF
d
DC
avg
3.09 e
-10
99.6 %
2335.94
98.9 %
t
cycle1
DC 13 (2 A)
8.53 e
-11
99.7 %
24453.47
97.7 %
t
cycle2
6.63 e
-11
99.8 %
126678.49
92.5 %
t
cycle3
8.23 e
-09
99.5 %
70.99
99.0 %
t
cycle1
AC 15 (3 A)
7.42 e
-10
99.5 %
848.16
99.0 %
t
cycle2
1.07 e
-10
99.7 %
12653.85
98.4 %
t
cycle3
3.32 e
-09
99.5 %
177.38
99.0 %
t
cycle1
AC 15 (1 A)
3.36 e
-10
99.6 %
2105.14
98.9 %
t
cycle2
8.19 e
-11
99.7 %
28549.13
97.5 %
t
cycle3
FEEDBACK contact missing
PFH
d
:
SFF
MTTF
d
DC
avg
9.46 e
-10
60 %
2335.93
0
t
cycle1
DC 13 (2 A)
1.08 e
-10
87 %
24453.47
0
t
cycle2
6.75 e
-11
97 %
126678.5
0
t
cycle3
4.60 e
-07
50 %
70.99
0
t
cycle1
AC 15 (3 A)
4.49 e
-09
54 %
848.15
0
t
cycle2
1.61 e
-10
79 %
12653.85
0
t
cycle3
7.75 e
-08
51 %
177.37
0
t
cycle1
AC 15 (1 A)
1.09 e
-09
60 %
2105.14
0
t
cycle2
1.00 e
-10
88 %
28549.13
0
t
cycle3
Gerätetyp:
UG 6912.14
UG 6912.28
Nominal voltage:
24 V DC
±
20 % / PELV, PREDective Class III; UL: Supply from class 2 (LVLE)
Nominal consumption:
Max. 3 W
Switching voltage:
240 V AC
Minimum switching voltage
10 V DC
Switching current:
Max. 6 A
Minimum switching current:
20 mA
Contacts:
2 NO co 1 NC contact
2 x (2 NO co 1 NC contact)
FEEDBACK-Contacts:
1
2
Response time:
12 ms
Mechanical life:
> 20 x 10
6
B10
d
:
AC15 230 V:
I = 3 A: 300,000
I = 1 A: 750,000
DC13 24 V:
I
≤
2 A: 10,000,000
Connection to output unit:
Via front-panel terminal strip; (no connection via IN-RAIL-BUS)
Control inputs OSSD1_A, OSSD1_B,
OSSD2_A, OSSD2_B:
IN: max. 30 mA at DC 24 V
UL-Data, Switching capacity:
Each relay output: 250 V, 6 A, resistive
Weight:
180 g
230 g
Approvals:
