Board Layout; Extender Card - GasTech GTA-4100R Operator's Manual

3.2.1

Board Layout

The diagram below shows the location of the various jumpers, dip switches and trim-pots on the GTA-4100R
PCB.
Switch Panel 2
(8 switches)
Switch Panel 1
(8 switches)
Top
Channel
Bottom
Channel
Switch Panel 1
(8 switches)
Switch Panel 2
(8 switches)
CAUTION: Take note when adjusting switches, jumpers and potentiometers ensuring you are adjusting
the correct channel.
3.2.2

Extender Card

The GTA-4100R slides forward in its guides for access to the programming controls. An Extender Card (GasTech
P/N: 73-4103) allows you to power the card up from the 19" rack or the Micro Rack and adjust the settings or
conduct testing.
Page 16
Low Alarm
Adjust (AL1)
High Alarm
Adjust (AL2)
High Alarm
Adjust (AL2)
Low Alarm
Adjust (AL1)
Head Volts
Positive (TP7)
Full Scale
Adjust Pot (P16)
Adjust Switch
Head Volts
Adjust Pot (P15)
Full Scale
Adjust Switch
Head Volts
Positive (TP8)
Output Power
Supply (J4)
Head Volts
Relay Energized/
Relay Energized/
De-Energized
© 2008 GasTech Australia Pty Ltd
De-Energized
Output Power
Supply (J3)
Head Volts
Ground (TP9)