Super Systems AC20 User Manual

Page 94

ANALOG OUTPUTS

Out 6 and 7

Out 6 and 7
Function

Function

Function: Programmable as
- Linear control output
- Analog retransmission of the measured value
- Analog retransmission of the operative set point.
Output type

Output type

Output type: Isolated output programmable as
- 0-20 mA
- 4-20 mA.
Scaling

Scaling

Scaling: from -1999 to 9999 when used as signal
retransmission.
Maximum load

Maximum load

Maximum load: 600

Ω.

A c c u r a c y

A c c u r a c y :
- 0.1 % when it is used as control output
- 0.05 % when it is used as analog retransmission.
Filter

Filter

Filter: It is possible to apply a first order digital filter on the
retransmitted value.
The time constant of the filter may be programmed within 0 and
8 s.

OPTIONAL OUTPUTS

OPTIONAL OUTPUTS
The instrument may be equipped with 10 optional relay outputs.
Type

Type

Type: Relay
Relay type

Relay type

Relay type: SPST
Contact rating

Contact rating

Contact rating: 0.5 A @ 250 V on resistive load.
The status of the optional outputs can be set by keys and by
serial link.

ALARMS

ALARMS
Alarm action

Alarm action

Alarm action: direct or reverse function programmable.
Alarm functions

Alarm functions

Alarm functions: each alarm can be configured as process
alarm, band alarm, deviation alarm.
Alarm reset/acknowledge

Alarm reset/acknowledge

Alarm reset/acknowledge: automatic or manual reset
programmable on each alarm.
Alarm masking

Alarm masking

Alarm masking: each alarm can be configured as masked
alarm or standard alarm.
This function allows you to delete false indication at instrument
start up and after a set point change.

Process alarm

Process alarm:
Operative mode

Operative mode

Operative mode: Minimum or maximum programmable.
Threshold

Threshold

Threshold: programmable in engineering unit within the input
range.
Hysteresis

Hysteresis

Hysteresis: programmable in engineering units from 1 to 200
digits.