Digital output, See wiring diagram 4-9, See pin 10 – Apex Digital 5708009-C User Manual
Page 55: See wiring diagram 4-10, See pin 12, Wiring diagrams for the standard 25-pin user port

5708009-C
4-9
Apex 1 to 5.5 kW Generator
WIRING DIAGRAMS FOR THE STANDARD 25-PIN USER PORT
The diagrams in this section provide wiring information to properly connect to the
Apex standard 25-pin User port.
22
9
OVERTEMP
Digital
output
When an internal
overtemperature shutdown
condition is detected, a low
(opto-coupler output) impedance
is created between this pin and
pin 9 (6 mA max).
Note: This pin only detects a
overtemp shutdown
condition. The warning
indication described in the
Overtemp LED section is
not reported on this pin.
23
10
INTERLOCK LOOP
RETURN
See Pin 10.
24
11
DC BUS OK
Digital
output
When the interlocks are satisfied
and the AC input voltage is
within its specification, a low
(opto-coupler output) impedance
is created between this pin and
pin 11 (6mA max).
25
CEX LOCK
RETURN
Digital
Output
See pin 12
Table 4-1. User Port 25-Pin APEX Standard Pin Descriptions (Continued)
Signal
Pin
Return
Pin
Name
Signal
Type
Description