Nikon NPL Series Communication Interface Manual - Page 3

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Nikon NPL Series Communication Interface Manual
Nikon Communication Interface Manual
1. Introduction
This manual explains how to connect Nikon Total Stations and external devices by
serial interface.
About hardware and communication software necessary to the
connection are briefly described as well.
2. Interface system
The interface is directed by RS-232C. External devices must have a RS-232C port.
3. Connecter
3-1. Interface connecter
Cable side: HR10A-7R-6P
(Hirose Electric Co.)
1
2
HRS
3
<Pin assignments other than Nivo >
No.
Symbol
1
RXD
2
TXD
3
V
4
NC
5
GND
6
NC
<Pin assignment for Nivo only>
No.
Symbol
1
RXD
2
TXD
3
NC
4
V
5
GND
6
NC
* Name of the signal is from its action looking at the instrument.
** "Power" is a connecter to provide electricity to the instrument. It has nothing to do
with the communication.
(RXD)
High level input voltage: 2.4V≦
Low level input voltage: 0.6V≧
6
5
4
Signal name
Receiving data*
Sending data*
Power**
Not in use
Ground
Not in use
Signal name
Receiving data*
Sending data*
Not in use
Power**
Ground
Not in use
(TXD)
High level output voltage: 5～15V/3.5～5.0V
Low level output voltage: -15～-5V/0～1.5V
P3/34
Instrument side: HR10A-7R-6S
(Hirose Electric Co.)
6
1
5
HRS
2
4
3
Direction
Instrument External device
Instrument External device
N/A
N/A
N/A
N/A
Direction
Instrument External device
Instrument External device
N/A
N/A
N/A
N/A
Confidential