Sequoia / Tahoe Series User Manual California Instruments
M447352-01 REV-A 29
System interface,
Leader
Control signal interface on Leader unit (or previous Follower unit) going to Follower
unit for multi-chassis operation; connector: high-density, 37-contact, female D-Type
System relay
Interface
Single row six pole terminal block is located on the rear panel
for remote-control of Leader / Follower configurations and Emergency Stop
Trigger Output
Signal output with dual function, either function trigger or list trigger; safety isolation
SELV-rated;
connector: BNC
Trigger Input
Signal input for external trigger for execution of programmed value; Logic level, TTL-
compatible; safety isolation SELV-rated;
connector: BNC.
Clock and Lock
(LKM and LKS
options)
Signal control interfaces for synchronization of multiple units;
signal outputs on leader unit, and signal inputs on auxiliary units;
safety isolation SELV-rated; connectors: individual BNC.
LAN Interface
Ethernet 10BASE-T and 100BASE-T; safety isolation SELV-rated, referenced to
chassis;
connector: 8P8C modular jack.
RS-232 Interface
Serial interface to RS-232C; safety isolation SELV-rated, referenced to chassis;
connector: Subminiature-D, 9-contact receptacle.
USB Interface
Serial interface to USB 2.0; safety isolation SELV-rated, referenced to chassis;
connector: Type-B.
IEEE-488 Interface
Parallel interface to IEEE-488.1, IEEE-488.2, and SCPI; safety isolation SELV-rated,
referenced to chassis; connector: IEEE-488.1 compliant.
2.26 Protection Function Characteristics
Function Characteristic
Input Over current
In-line fast acting fuses. Check fuse rating in Service and
Maintenance section. Ratings will depend on AC input configuration
settings.
Circuit breaker for LV supply.
Input Over voltage Automatic shutdown.
Input Over voltage Transients Surge protection to withstand EN50082-1 (IEC 801-4, 5) levels.
Output Over current Adjustable level constant current mode with programmable set point.
Output Short Circuit Peak and RMS current limit.
Over temperature Automatic shutdown.
2.27 Environmental Specifications
Parameter Specification
Operating Temperature
0° to +40 C. (Except in Constant Power mode).
+32° to +104° F.
Storage Temperature
-40° to +85 C.
-40° to +185° F.
Altitude < 2000 meters
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