Dillon FI-521 - Manual (Page 38)

FI-521 Indicator Operation & Service Manual
────────────────────────────────────────────────────────
38
26.3.12.3 Connection Example When Internal Power Supply (not recommended):
The remote keys RK1-RK4 also can be transistor, and the remote keys connection is not isolated to internal
circuit.
26.3.13 XOUT (Output) Connector:
26.3.13.1 Pin Definition
PIN # DEFINITION IN/OUT/POWER ELECTRICAL LEVEL
1 Internal Power output - Power GND 0 Vdc
2 Output driver COM /
External Power input - Emitter of Output NPN Transistor 1 and 2
3 Output driver 1 Output, open NPN Transistor Collector 1 Sink 0.5A Max.
4 Output driver 2 Output, open NPN Transistor Collector 2 Sink 0.5A Max.
5 External Power input + Power input 5 – 24 Vdc
6 Internal Power output + Power output 5 - 8 Vdc (≤0.1A)
26.3.13.2 Connection Example When External Power Supply:
The external power is isolated by optocoupler to internal circuit in this situation. The Max. voltage of external
power should not be over than 24VDC, and should to keep the Max. current of output1 or output2 less than
0.5A .