Tektronix ECO8000 Series User Manual

Operating Basics
GPIO connector
signal pinouts
The following t
able lists the signals and their function for each pin on the GPIO
connector.
Table 7: GPIO connector signal pinouts
Pin
Signal
Function
1
State – Primary Backup Output – high if Primary is selected, low
if Backup i
s selected
2
Primary f
ault
Output – g
oes low if a Primary fault is
present
3
Backup fault Output – goes low if a Backup fault is
present
4
State – Manual Auto Output – high if M anual mode is
selecte
d, low if Auto mode is selected
5
GND Ground
6
Power
fault
Outpu
t – goes low if a fault is preset in
the power subsystem as i ndicated by
the AC or D C LEDs on the supplies
7
Manual mode Input – drive this pin low to assert
Manual mode (10 KΩ pullup resistor)
8 Auto mode Input – drive this pin low to assert Auto
mode (10 KΩ pullup resistor)
9 Fault reset Input – drive this pin low to assert a
fault reset (10 KΩ pullup resistor)
10
Configurable fault Output – goes low if any fault selected
in t
he G PI EVENTS m enu are present;
also goes low during any watchdog
reboot
11
GND Ground
12 Not used
1
3
P
rimary select
I
nput – drive this pin low to select the
Primary source (10 KΩ pullup resistor)
1
4
B
ackup select
I
nput – drive this pin low to select the
Backup source (10 KΩ pullup resistor)
15 Not used
22 ECO8000 Series Automatic Changeover Unit User Manual

Tektronix ECO8000 Series Specifications

General

Brand	Tektronix
Model	ECO8000 Series
Category	Control Unit
Language	English