Mts Model FlexTest SE Bedienungsanleitung Seite 94

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Seitenansicht 93
Models FlexTest® IIm/GT/SE Controller Hardware
Digital Universal Conditioner (DUC BC) Switches
FlexTest GT Controller Connections
94
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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