Technical Data of the Relay OutputsΒΆ

Parameter Value
Number of channels per module 4 relay outputs
Distribution of channels into groups 4 groups of 1 channel each
Connection of the four relays See figure Electrical Connection DX531 - Digital Input/Output Module
Galvanic isolation Between the channels and from the rest of the module
Indication of the output signals 1 yellow LED per channel, the LED is ON when the relay coil is energized
Way of operation Non-latching type
Output delay (0->1 or 1->0) On request
Output data length 1 byte
Relay power supply By UP process voltage
Relay outputs  
  Output short-circuit protection Must be provided externally with a fuse or circuit breaker
  Rated protection fuse 6 A gL/gG per channel
Output switching capacity  
  Resistive load, max. 3 A; 3 A (230 V AC), 2 A (24 V DC)
  Inductive load, max. 1.5 A; 1.5 A (230 V AC), 1.5 A (24 V DC)
  Lamp load 60 W (230 V AC), 10 W (24 V DC)
Life time (cycles)

Mechanical: 300 000;

Under load: 300 000 (24 V DC at 2 A), 200 000 (120 V AC at 2 A), 100 000 (230 V AC at 3 A)

Spark suppression with inductive AC load Must be performed externally according to driven load specifications
Demagnetization with inductive DC load A free-wheeling diode must be circuited in parallel to the inductive load
Switching frequency  
  With resistive load Max. 10 Hz
  With inductive load Max. 2 Hz
  With lamp load On request
Max. cable length  
  Shielded 1000 m
  Unshielded 600 m