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718-461-7000
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The Kepco model MST 488-27 is a Power Module Controller which has the capability to program, control and monitor the outputs of up to 27 Kepco MAT, MBT, MST or BOP power supplies (power modules).

Kepco's 'Digital Highway' illustrates the interconnection of Kepco Products, including the MST 488-27 Controller.

MST 488-27 drawing

The MST 488-27 communicates with its Host computer over the IEEE 488 bus (GPIB) using either CIIL (Control Interface Intermediate Language) or SCPI (Standard Commands for Programmable Instruments) Languages. An auxiliary input port allows for communication via the RS 232-C (EIA 232) standard serial communications bus.

The MST 488-27 communicates with the MAT, MBT, MST or BOP series using the IEEE 1118 two-wire serial bus, which allows control over distances up to a maximum of 1000 feet (300 meters).

EPICS Driver (Linux compatible) now available!

The IEEE 488 GPIB interface functions implemented by the controller are defined by the IEEE 488 Standard.

The MST 488-27 Controller interfaces to an MST power module via the RA 55 Rack Adapter; interconnection to the Host Computer on the GPIB is made via an IEEE 488 standard cable. If the serial port is used for communications between the controller and a computer terminal, a 9 pin null-modem RS 232-C connector/cable is required.

The MST 488-27 Controller is comprised of a single-board computer (SBC) and power supply housed in a 1/9 Rack (7" high by 1-3/4" wide by 20-1/4" deep) case.

GENERAL SPECIFICATIONS FOR
MST488-27 CONTROLLER
Feature Specification
A-C Input Requirements 95 to 264V a-c, 47 to 63 Hz,
approximately 12 Watts maximum
Ambient Temperature Range: Operating: 20C to +70C
Storage: 40C to +85C
Relative Humidity, Operating and Storage 5 to 95% RH, non-condensing
Altitude: Operating: 0 to 10,000 ft
Non-operating: 0 to 65,000 ft
Dimensions 7" H x 1-3/4" W x 20-1/4" D
Color (front panel) Kepco gray, Hartin Paint No. 15-22493
Mounting Rack Adapter (Kepco RA 55 or CA 400)

The Host Computer can set the output voltage with current limit, or the output current with voltage limit. The Host Computer can then have the MST 488-27 read back the actual output voltage and current delivered by each of the power modules to their respective loads. The MST 488-27 is continually polling all of the power modules on the IEEE 1118 bus for error flags.

All data transmissions over the GPIB are ASCII encoded. The values for the command parameters can be written in integer, decimal or scientific notation.

See MST 488-27 installed in RA 55 Rack Adapter

MST 488-27 are CE Marked per the Low Voltage Directive (LVD), EN61010-1 and the EMC Directives. See applicable Declaration of Conformity and the Conditions of Conformance.

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KEPCO, INC. • 131-38 SANFORD AVENUE • FLUSHING, NY. 11355 U.S.A.
TEL (718) 461-7000 • FAX (718) 767-1102
www.kepcopower.com • email: hq@kepcopower.com