Technical Data of \ the Digital Relay OutputsΒΆ

Number of channels per module 6 normally-open relay outputs
Distribution of the channels into groups 2 groups for 3 channels
Electrical isolation Yes, per group
Connection of the channels NO0 to NO2 Terminals 13 to 15
Connection of the channels NO3 to NO5 Terminals 17 to 19
Reference potential for the channels NO0 to NO2 Terminal 16
Reference potential for the channels NO3 to NO5 Terminal 20
Relay output voltage  
Rated value 24 V DC or 120/240 V AC
Range 5 to 30 V DC or 5 to 250 V AC
Indication of the output signals 1 yellow LED per channel; the LED is on when the output signal is high (signal 1) and the module is powered through the I/O-Bus
Way of operation Non-latching type
Output delay  
0 to 1 Typ. 10 ms
1 to 0 Typ. 10 ms
Rated protection fuse On request
Output current  
Rated current per channel (max.)

2.0 A (24 V DC / 120 V AC / 240 V AC, only resistive loads)

2.0 A (120 V AC, only pilot duty)

1.5 A (240 V AC, only pilot duty)

Rated current per group (max.) 6 A
Rated current (all channels together, max.) 12 A
Lamp load (max.) 200 W (230 V AC), 30 W (24 V DC)
Demagnetization when inductive loads are switched off A free-wheeling diode must be circuited in parallel to the inductive load
Spark suppression with inductive AC loads Must be performed externally according to driven load specification
Switching Frequencies  
With resistive loads Max. 1 Hz
With inductive loads Not possible
With lamp loads Max. 1 Hz
Short circuit / Overload proof No, should be provided by an external fuse or circuit breaker
Rated protection fuse (for each channel) 5 A fast
Overload message No
Output current limitation No
Resistance to feedback against 24 V DC No
Connection of 2 outputs in parallel Not possible
Life time of relay contacts (cycles) 100.000 at rated load
Max. cable length  
Shielded 500 m
Unshielded 150 m