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Note that since they measure the difference between the signals at the high (+) and low (
−
)
inputs, differential connections usually cancel any common-mode voltages, leaving only the
signal. However, if you are using a grounded signal source and ground loop problems arise,
connect the differential signals as shown as
. In this case, make sure that the low side
of the signal (
−
) is connected to ground at the signal source, not at the screw terminal panel,
and do not tie the two grounds together.
Figure 14: Connecting Differential Voltage Inputs from a Grounded Signal Source to an
STP Connection Box
Grounded
Signal
Source
-
+
Analog In 0
Analog In 0 Return
E
s
Signal Source
Ground V
g1
TB1,1
TB1, 3
TB1, 2
STP Connection Box
Analog Ground
By default, 10 k
Ω
resistance is enabled in
the Open Layers
Control Panel applet to
connect the low side of
channel 0 to analog
ground (a physical
resistor is not
required). Refer to
for more
information.
Содержание DT9834 Series
Страница 1: ...DT9834 Series UM 19985 S User s Manual Title Page ...
Страница 4: ......
Страница 10: ...Contents 10 ...
Страница 14: ...About this Manual 14 ...
Страница 15: ...15 1 Overview DT9834 Hardware Features 16 Supported Software 19 Accessories 20 Getting Started Procedure 21 ...
Страница 22: ...Chapter 1 22 ...
Страница 23: ...Part 1 Getting Started ...
Страница 24: ......
Страница 34: ...Chapter 2 34 ...
Страница 62: ...Appendix 62 ...
Страница 73: ...Part 2 Using Your Module ...
Страница 74: ......
Страница 115: ...115 7 Troubleshooting General Checklist 116 Technical Support 118 If Your Module Needs Factory Service 119 ...
Страница 120: ...Chapter 7 120 ...
Страница 162: ...Appendix B 162 ...
Страница 175: ...175 D Ground Power and Isolation Secondary Power Connector 176 Ground Power and Isolation Connections 177 ...
Страница 186: ...Index 186 ...