Features and Specifications
Rear Panel Connectors and Switch
20
Operating Manual for XHR Series Power Supply
See
Table 1.1
for a list of the functions assigned to each SW1 switch.
Table 1.1
SW1 Switch Functions
Resetting the Switches
The rear panel is labelled with OFF at the top of the
switch and ON at the bottom. Any of the eight switches on SW1 is OFF (OPEN)
when it has been flipped up to break contact, ON (CLOSED) when flipped down to
close contact.
Before making any changes to the switch settings, disable the power supply output.
Either turn OFF the supply, or place the supply in shutdown mode by pressing the
front panel STANDBY button to its ON position. Once output is disabled, use any
small, straight-bladed screwdriver to change the switch settings.
J2
Programming
Connector
The J2 Programming, Monitoring, and Sense connector is a 12-terminal wire clamp
connector located on the power supply’s rear panel. The J2 connector provides
access to the following functions:
•
remote programming of output voltage and/or current limit
•
remote monitoring of calibrated readback signals for output voltage and output
current
•
remote control of the shutdown function using 2.5-15 V or TTL-compatible
signals
•
remote sensing of output voltage
Switch
Function
OFF (Open)
1
1. Factory defaults underlined.
ON (Closed)
1
SW1-1
1 mA current source for resistive
programming of output voltage.
Voltage source
programming
Resistive
programming
SW1-2
1 mA current source for resistive
programming of output current limit.
Voltage source
programming
Resistive
programming
SW1-3
Output voltage programming source
range select.
0-5 V
0-10 V
SW1-4
Output current limit programming
source range select.
0-5 V
0-10 V
SW1-5
Output voltage monitor range select.
0-10 V
0-5 V
SW1-6
Output current monitor range select.
0-10 V
0-5 V
SW1-7
Remote shutdown logic select.
HIGH=OFF
HIGH=ON
SW1-8
Over temperature shutdown reset
mode select.
Auto reset
Latch OFF
TM-XROP-01XN.book Page 20 Monday, March 22, 2004 4:10 PM
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