MTS 793 Controller Hardware
FlexTest GT Controller Connections
84
Excitation Jumpers W5 and W7 select the local (on board) or remote (through a
cable) excitation sensor connection.
• The local selection is used with 4-wire transducer connections.
• The remote selection is used with 8-wire transducer connections.
• Jumper W7 configures the + excitation signal.
• Jumper W5 configures the – excitation signal.
• Both jumpers need to be set for the same configuration.
Single ended
excitation
Jumper W8 connects -EX to ground for situations requiring single-
ended excitation.
Digital Universal Conditioner (DUC BC) Switches
The following switch settings are for the Model 493.21BC Digital
Universal Conditioner. The switches are labeled S1 1-8 and replace the
former solder pads. The following descriptions are from the 493.XX
Module Setup configuration drawing (PN 049-336-301).
Active guard Switch S1-8 enables or disables the guard connection to ground (GND)
for the sensor cable.
W7
W5
W7
W5
LocalRemote
Default
Default
–EX = –EX
–EX = GND
W8W8
Enable
Disable
Default
Short to Ground
Cap to Ground
S1-8 ON S1-8 OFF
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