Ametek SEQUOIA Series - Rear Panel Connectors

Sequoia / Tahoe Series User Manual California Instruments
28 M447352-01 REV-A
Input Switch: turns unit on/off, located on the top left corner of the front panel. disconnects the low voltage bias
supply of the SEQUOIA /TAHOE.
OUTPUT switch: turns output of the unit on/off.
OUTPUT LED: integrated into the OUTPUT switch; indicates that the output of the unit has been turned on.
CC LED: indicates that the unit is in constant-current mode and the output current is being regulated.
CV LED: indicates that the unit is in constant-voltage mode and the output voltage is being regulated.
HI RNG LED: indicates that the high-voltage output range has been selected;
FAULT LED: indicates that an internal fault has been detected and the output has been shut down.
REM LED: Indicates that the unit is under control of the remote digital interface,
LXI LED: LXI status annunciation.
Panel LED Indicators
Front side sheet metal panel is illuminated with LEDs indicating the operating status of the SEQUOIA/TAHOE
as described below.
READY OUTPUT OFF Status: Panel is illuminated with Green LED
OUTPUT ON/OFF Status: Panel is illuminated with Blue LED
FAULT Status: Panel is illuminated with Red LED
2.25 Rear Panel Connectors
Connector Description
AC Input
Cable entry and strain relief for AC input wiring. Remove rear panel covers for
making connection
Safety-Ground
Earth stud is provided in the chassis. Remove rear panel covers for making
connection
AC/DC Output –
Three Phase output
Cable entry and strain relief for AC/DC output wiring for 3 phases and neutral. To
remove rear panel covers for making connection
AC/DC Output –
Single Phase output
Cable entry and strain relief for AC/DC output Single phase wiring. To remove rear
panel covers for making connection (Only applicable for the SQ0022, SQ0030,
SQ0045 models)
Functional-Ground
Earth stud is provided in the chassis. Remove rear panel covers for making
connection
AC/DC Output
Remote Sense
Single row four pole terminal block is located on the rear panel for external voltage
sense
External Interface-I
Control analog and monitor signals for each output phase for user remote control.
(Includes external voltage signals for output programming, output voltage monitors
and output current monitors)
safety isolation SELV-rated; connector: high-density, 15-contact, female
Subminiature-D.
External Interface-II
Control analog and digital signals for each output phase for user remote control.
(Includes external voltage signals for output modulation of voltage, SYNC, Remote
inhibit, Summary fault output, Output ON/OFF status)
safety isolation SELV-rated; connector: high-density, 15-contact, female
Subminiature-D.
System interface,
Follower
Control signal interface on Follower unit coming from Leader unit (or previous
Follower unit) for multi-chassis operation; connector, high-density, 37-contact, female
D-Type