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AMETEK ASD Series User Manual

Page 62

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Programming: Digital Interface Control

Sorensen ASD Series

4-4

M551177-01 Rev A

Bit

Function

controller. (Section 4.3.5).

FLOATING POINT

ENABLED

Controls whether 32-bit numbers are floating point or integer. When
set to “1”, all 32-bit numbers are floating point numbers (IEEE single
precision standard). When set to “0”, all 32-bit numbers are integer
numbers with a scale given specified in the register list of this

document.

FDR ENABLED

Activates the flight data recorder option. When set to “1”, the master
controller and modules controllers periodically save certain information

to internal non-volatile memory for later diagnostics. (Section 4.3.6).

RESET ENERGY

METER

Causes the cumulative energy meter to restart at zero. When changed
from “0” to “1”, the energy meter accumulator is reset.

ANALOG

VOLTAGE

OVERRIDE

Only applicable in analog programming mode when unit is to be

operated in current and/or power mode only, use this bit to ignore
analog voltage programming input. When set to “1”, the analog voltage
programming input is ignored and the voltage setpoint is set to

maximum.

ANALOG

CURRENT

OVERRIDE

Only applicable in analog programming mode when unit is to be

operated in current and/or power mode only, use this bit to ignore
analog current programming input. When set to “1”, the analog current
programming input is ignored and the current setpoint is set to

maximum.

ANALOG POWER

OVERRIDE

Only applicable in analog programming mode when unit is to be

operated in current and/or voltage mode only, use this bit to ignore

analog power programming input. When set t

o “1”, the analog power

programming input is ignored and the power setpoint is set to

maximum.

DIGITAL

PROGRAMMING

MODE

Tells the unit to receive setpoints from the digital interface or from the
analog interface. When set to “1”, the unit will receive setpoints from
the digital interface (digital programming mode*). If set to “0”, the
setpoints are taken from analog interface (analog programming mode).

*In digital programming mode, the output enable signal at the analog

interface must be set to high in order for the unit to turn on without a

fault.

PROCESS

CONTROL MODE

Controls an external process. When set to “1”, the unit is set to control
an external process, using the power programming analog input as the

feedback. (Section 4.3.8).

DISABLE

ANALOG

SATURATION

Only applicable in analog programming mode, when set to “1” and any
of the 3 ANALOG OVERRIDE bits is used, the setpoint used for that

variable is not saturated to maximum; but is taken from the digital

interface setpoint (e.g. register).