Instruction Manual
Instruction Manual
29
SINK current output /SOURCE current input connections
Figure 10 Example showing Sink Current Output/Source Current Input connections
I/O with SOURCE current inputs and SINK current outputs
Input circuits (SOURCE current 24 V d.c.)
V
(ON) 15 - 30V (li = 4 - 10mA)
Output circuits (SINK current 24 V d.c.)
50mA max. with resistive load
I
(OFF)
µ
The I/O must be driven by a SELV type power supply, as defined in EN60950-1.
I/O machine power supply specifications: Voltage 24 V d.c. (-20% /+25%) ripple between 100-
120 Hz; maximum ripple at 100-120Hz less than 1.2V peak value.