CAUTION!
System damage caused by short-circuit!
*) A short-circuit can result in up to 2 W additional power dissipation in the
device. If this power dissipation cannot be discharged, the replacement device
can be damaged.
Table 101: Digital Inputs
Data
Value
Number of channels
4
Connections
X2 / 3, X2 / 4, X2 / 5, X2 / 6
Reference connection (GND)
X4 / Vs-
Connections switch supply
X2 / 1, X2 / 2, X2 / 7, X2 / 8
Current switch supply (all connec-
tions combined)
Replacement device: max. 32 mA
Existing device DI501: max. 30 mA
Input type according to EN 61131-2
Type 1
Electrical isolation
Not available
Indication of the input signals
Replacement device: Not available
Existing device DI501: green LED per channel
Input delay (0->1 or 1->0)
Typ. 3 ms
Scanning cycle
500
µ
s
Input signal voltage:
-
24 V DC
-> 0 signal
Replacement device: -3 V … +5 V
Existing device DI501: -30 V … +5 V
-> Undefined signal
Replacement device: > +5 V … < +15 V
Existing device DI501: > +5 V … < +13 V
-> 1 signal
Replacement device: +15 V … +30 V
Existing device DI501: +13 V … +30 V
-> Residual ripple at 0 signal
Within -3 V … +5 V
-> Residual ripple at 1 signal
15 V … +30 V
Input current per channel:
-> Input v24 V
Typ. 5.5 mA
-> Input v5 V
³
0.5 mA
-> Input v15 V
³
2 mA
-> Input v30 V
£
8 mA
Maximum cable length:
-> Shielded
1000 m
-> Unshielded
600 m
Overvoltage protection
Available
Overload range
±
30 V DC
AC31 Adapters
Replacement devices: I/O modules > Replacement unit DC501-CS31-AD
2018/09/24
3ADR010122, 8, en_US
156