2
2
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
X31 – 4DI-2DO board 24 V DC
Figure 30 Connection diagram X31 – DI/DO
Technical Data
Digital Inputs (24V DC)
Numb
er of digital inputs 4 (DI1…DI4)
Supply for digital inputs 24 V DC
Isolation Yes
Input signal bounce suppression Typ. 8 ms
Signal 0 range incl. ripple -10 … +5 V
Signal 1 range incl. ripple +16 … +31 V
Input current per channel (24 V DC) typ. 8.0 mA
Input resistor to 0 V 3 kΩ
Cable length unshielded/shielded max. 300 m / max. 500 m
Relay Outputs
Number of relay outputs 2 x bi-stable with 2 common roots
Voltage range of contacts 1 – 250 V AC/DC
Lowest switch power for correct signals 0.1 W
Switching capacity per relay contact
acc. to EN 60947-5-1 (electromagnetic load)
AC-15 240 V AC: max. 1.5 A
AC-15 120 V AC: max. 3 A
DC-13 250 V DC max. 0.1 A
DC-13 125 V DC max. 0.22 A
Mechanical: min 5x10
6
(at 180 cpm)
Electrical (250 V AC), at rated load:
N.O. min. 5x10
4
/
N.C.: min. 3x10
4
(at 6 cpm)
Relay conta
ct service life
Internal cl
earance and creepage distances
relay contacts to 24 V circuits
> 5.5 mm (safety insulation up to 250 V AC)
acc. EN 60947-1, pollution degree 3
Cable length unshielded/shielded max. 300 m / max. 500 m
3
3
0
0
ABB MNS iS System Setup & Operation Quick Guide / System Release 6.0 – Rev.2 / Aug. 2011
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