JUMO 701150 14597 safetyM STB/STW - Safety Temperature Limiter and Safety Temperature Monitor Operating Manual - Manual (Page 52)

6 Safety Manual 2014-05-01 52
Important information:
Variants 1 to 4 were evaluated with JUMO probes according to data sheets 901006 and 902006. For variant 5 no sensor sys-
tem was taken into account. In this case, the user selects the sensor system. For this reason, the user is responsible for evalu-
ating the achievable PL.
Variant Connected sensors
Sensor
system
architecture Logic
architectur
e
Achievable PL
1 1 × Pt100 in 2-wire circuit
individual sensor
1oo1 1oo2D PLd
1a 2x Pt100/1000 2-wire circuit 1oo2 1oo2D PLe
2 2x Pt100/1000 3-wire circuit 1oo2 1oo2D PLe
3 2x thermocouple 1oo2 1oo2D PLe
4 1x Pt100/1000
2-wire and 3-wire circuit
1x thermocouple
1oo2 1oo2D PLe
5 STB/STW 701150 without
sensor system 1oo2D archi-
tecture.
No probe or use 4 to 20 mA.
(means that the sensor is not
taken into account for the cal-
culation).
Sensors con-
nected by the
system user
Architecture
acc. to con-
nection 1oo1
or 1oo2
1oo2D PL of the used
sensor
Max. achievable
PL of the system
with 1oo1 sensor
system architec-
ture
DC 701150 ≥ 90 %
Max. achievable
PL of the system
with 1oo2 sen-
sor system ar-
chitecture
DC 701150 ≥ 90
%
PLb PLd PLe
PLc PLd PLe
PLd PLd PLe
PLe PLe PLe