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 kΩ (2.0 kΩ ... 5.0 kΩ)
Electric strength of external voltage +10 ... +30 V DC, permanent
Level LOW=0...+2.5VDC
HIGH = +10 ... 30 V DC
Cycle time 1ms
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 1ms
4.5.5 Relay output connection
Labelling Description/features Rated value
COM C entral 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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