Technical data
Control terminals
Digital inputs
4
42
EDS84ABD302 EN 4.0
4.5.3
Digital inputs
Labelling
Features
Rated value
DI1, DI2
Digital input 1/2
according to IEC61131-2, type 1
DI3, DI4
Digital input 3/4
according to IEC61131-2, type 1
RFR
Controller inhibit
according to IEC61131-2, type 1
Input resistance
3.3 k
Ω
(2.0 k
Ω
... 5.0 k
Ω
)
Electric strength of external voltage
+10 ... +30 V DC, permanent
Level
LOW = 0 ... +2.5 V DC
HIGH = +10 ... 30 V DC
Cycle time
1 ms
Isolation
47
4.5.4
Digital outputs
Labelling
Features
Rated value
DO1
GND
Digital output
In accordance with IEC61131-2, type
1, max. 50 mA
External-voltage protected
Up to +30 V
Integrated polarity reversal protection
diode for switching inductive loads
Isolation
47
Level
LOW < +5 V
HIGH > +15 V
Behaviour during overload
Reduced voltage or periodical
switch-off/on
Behaviour during reset and switch-on
Outputs are switched off (LOW)
Cycle time
1 ms
4.5.5
Relay output connection
Labelling
Description/features
Rated value
COM
Central contact of relay
AC 250 V, 3 A
DC 24 V, 2 A
DC 240 V, 0.22 A
NO
NO contact (normally open)
Note!
ƒ
The minimum load of the switching contacts should not fall below
12 V and 5 mA.
ƒ
To avoid premature contact wear caused by erosion, a protective circuit
(free-wheeling diode, varistor, RC filter or RCD filter) is required, especially in
case of inductive load.
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