KEPCO BHK-MG 200W (Full Rack) Series - Manual (Page 32)

2-2
BHK-MG (OPR) 022014
TABLE 2-1. CONTROLS, INDICATORS, AND CONNECTORS
CONTROL, INDICATOR,
CONNECTOR
FUNCTION
FRONT PANEL
A-C line indicator Lights to indicate unit turned on and a-c power applied.
LCD 2 x 16 character Liquid Display with LED backlight. Shows voltage, current
mode, settings, menu, program, etc.
Keypad 24 keys used for local operation of the power supply; Refer to Table 3-2 for
details.
POWER circuit breaker Circuit breaker used to turn unit on and off.
(+) and (–) output jacks Provide front panel access to d-c output of power supply.
REAR PANEL
IEEE 488 PORT 24-pin GPIB connector used to connect to GPIB bus (see Table 2-5 for pin
assignments).
RS 232 PORT 8-pin telephone jack type connector used to connect to RS 232 bus (see
Table 2-3 for pin assignments).
STATUS PORT Notifies host computer either that a-c input is not present or a major failure of
power supply has occurred.(see Table 2-4 for pin assignments).
EXTERNAL TRIGGER PORT 4-pin connector used to restore unit to pre-established setting or to shut down
the output. (see Table 2-2 for pin assignments). NOTE: Mating connector is a
3-pin plug.
OUTPUT TERMINALS barrier strip TB1 Provides Power Supply output connection points. (See Table 2-6 for terminal
assignments)
V PROG terminal strip TB2 Provides input/output signals for analog programming of output voltage or
voltage limit. (See Table 2-7 for terminal assignments.)
I PROG terminal strip TB3 Provides input/output signals for analog programming of output current or cur-
rent limit. (See Table 2-8 for terminal assignments.)
AC SELECTOR switch Used to select between nominal input line voltage of 115 V a-c or 230 V a-c.
AC INPUT connector Provides a-c source power to unit.
Interlock switch Provides protection when terminal strip cover is removed by interrupting a-c
power to the unit.
TABLE 2-2. TRIGGER PORT PIN ASSIGNMENTS
CONNECTOR PIN SIGNAL NAME FUNCTION
TRIGGER PORT
(connector A1J2)
1 Trigger- Shutdown RTN Return for TRIGGER and SHUTDOWN signals.
2
SHUTDOWN Logic 0 causes BHK output to go be disabled (see
PAR. 3.2.7.3).
4
TRIGGER Logic 0 triggers BHK to previously stored setting (see
PARs. 3.3.4 and B.92.)