BA_MA_STTV125M_EN_V1.2
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Universal isolating amplifier TV125M / ST125M
Housing
Material
Polyamide (PA) 6.6, UL94V-0
Color
Light grey
Installation width
12,5 mm
Dimensions (HxT)
108 x 114 mm
Weight
91 g
Protection rating
Housing IP 30, terminals IP 20 BGV A3
Connection type
Screw terminals
Push-In-terminals (spring loaded)
Power Rail
0,2...2,5 mm², AWG 24..14, removable, coded.
Wire stripping length: 8mm
Tightening torque
: 0,5…0,6 Nm
0,5..1,5 mm², AWG 25..16, double connection
(12A between connections), removable, coded.
8A over the entire bus system
(Supply via removable terminals)
0,2..2,5 mm², AWG 24..14)
Mounting
DIN Rail mounted, TS35 DIN EN 60715
Table 12 Technical data
6.1 Safety-related key values
Functional safety SIL2 (parameters acc. to EN61508 and SN29500)
Level
SIL 2 (Parameters acc. to EN 61508 and SN 29500) for
Input type
4…20 mA or 2…10 V and
Output type
4…20 mA or 2…10 V.
Device type
B
HFT
0 (1oo1)
Error signaling
Output 0 V resp. 0 mA
Reaction time
Standard mode
error
40 ms
Error
Standard mode
1 s (self resetting)
Evaluation criteria for supply voltage drops to 0 % over 20 ms.
MTBF-calculation acc. to SN29500
Device
TV125M
TV125MP
ST125M
ST125MP
λSD [FIT]
8,37E-08
8,37E-08
8,64E-08
8,64E-08
λSU [FIT]
2,42E-07
2,27E-07
2,69E-07
2,53E-07
λDD [FIT]
3,75E-07
3,60E-07
4,23E-07
4,08E-07
λDU [FIT]
2,52E-08
2,52E-08
2,52E-08
2,52E-08
SFF [%]
96,5
96,4
96,9
96,7
DC [%]
93,7
93,5
94,4
94,2
PFH [1/h]
7,26E-07
6,95E-07
8,04E-07
7,73E-07
PFDavg
1 years
3,18E-03
3,05E-03
3,52E-03
3,39E-03
2 years
6,36E-03
6,09E-03
7,04E-03
6,77E-03
2,5 years
7,95E-03
7,62E-03
8,80E-03
8,47E-03
Table 13 MTBF key values
