M
M
N
N
S
S
i
i
S
S
S
S
y
y
s
s
t
t
e
e
m
m
S
S
e
e
t
t
u
u
p
p
2
2
ABB MNS
i
S System Setup & Operation Quick Guide / System Release 6.0 – Rev.2 / Aug. 2011
3
3
5
5
X33 – PTC card
Figure 35 Connection diagram X33 – PTC
Technical Data
Broken wire resistance
> 10 k
Ω
PTC range
0 – 10 k
Ω
Refresh time
< 200 ms
2.5 mm
2
: 2 x 350 m
1.5 mm
2
: 2 x 200 m
0.5 mm
2
: 2 x 70 m
Line length (shielded)
Isolation Yes
Accuracy
< 1 %
Open loop voltage
5 V DC