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Connector
USB
RS485
Control
Screw HV Output
LEMO HV Output
[1] The amplifier can be controlled by external logic signals, such as foot switches etc. The signal
connector is a 9-way DSUB receptacle, which suits any 9-way male DSUB plug. The signals and pin
layout are shown in Error! Reference source not found. and Error! Reference source not found..
Signal
Pin
3.3V Power
1
Amplitude
2
Momentary
3
Status 0
4
Shutdown
5
Ground
6
Status 1
7
Connected
8
On-Off
9
[2] The transducer is connected between HV+ and HV-, which are electrically isolated from ground.
The transducer can be grounded remotely, or by connecting either HV+ or HV- to the Ground pin. The
TX ID pin is reserved for future use, this is a low-voltage pin aimed at communicating calibration
information with external transformers.
PDUS210 V5 Manual
Description
Connection to PC, requires a Type A to Type B cable (included)
RS485 interface, suits Amphenol TJ0331530000G connector
External logic control, see notes [1]
Suits Amphenol TJ0431530000G connector, see notes [2]
Suits LEMO 0B.302 Connector (e.g. FGG.0B.302.CLAD42)
5
9
Figure 8. Front view of control signals connector
Function
3.3V Power from the amplifier. 20mA maximum current. Unprotected.
Remote amplitude control. 0V to 2.9V maps to 0 to 100%. Zin = 500 Ω.
Identical to pressing the momentary button. 3.3V logic.
For future assignment, will be used to indicate amplifier status. 3.3V logic.
Identical to pressing the shutdown button. 3.3V logic.
Ground, also connected to the connector shield. Connected to IEC earth.
For future assignment, will be used to indicate amplifier status. 3.3V logic.
Connect this to pin 1, used to indicate the presence of an external controller
Identical to pressing the on/off button. 3.3V logic.
Table 5. Control signals pinout
3
1
4
2
6
8
7
16
Modified 17/12/2022
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