SVC HR-1024i / HR-768i / HR-640i / HR-768si / HR-512i USER MANUAL REV 1.12
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Appendix K – Aux Port Specification
The round connector labeled “AUX” on the instrument’s back panel has multiple uses:
•
An RS-232 serial communications interface for PC/PDA host communication.
•
Multiple external trigger inputs – Reference, Target, and Current Setting.
•
Scan-in-progress output – provides a signal to external devices when a scan is in progress.
•
Battery power for powering external devices – V
BAT
(6.5-8.5 VDC) @ 500 mA maximum current.
Connector (Female):
Hirose P/N HR10-10R-12S(73)
Mating Connector (Male): Hirose P/N HR10-10P-12P(73)
Figure 10 AUX Port Pinout
The following table specified the function associated with each AUX Port connector pin:
Pin
Direction
Signal Name
Function
1
Output
V
BAT
Supplies unregulated battery voltage to an external device;
battery voltage is 6.5 – 8.5 VDC @ 500mA maximum
current draw.
2
n/a
Reserved
Do Not Connect
, reserved for future use.
3
Input
Reference Trigger
Normally open; shorting this pin to Ground will initiate a
Reference scan.
4
Input
Target Trigger
Normally open; shorting this pin to Ground will initiate a
Target scan.
5
Input
Current Scan Trigger
Normally open, shorting this pin to Ground will initiate a
scan of the type currently selected in the LCD user
interface.
6
n/a
Reserved
Do Not Connect
, reserved for future use.
7
Output
Scan In Progress
Normally open; this pin will be shorted to Ground by the
spectrometer electronics while a scan is in progress.
8
Output
Ground
Power Return / Signal Ground.
9
n/a
Reserved
Do Not Connect
, reserved for future use.
10
Output
Host Comm TX
RS-232 PC/PDA host connection.
11
Input
Host Comm RX
RS-232 PC/PDA host connection.
12
Output
Host Comm GND
RS-232 PC/PDA host connection.
Summary of Contents for SVC HR-1024i
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