ABB IISAC01 Analog Control Station

Model Type: Infi 90 Analog Control Station

The IISAC01 Analog Control Station (SAC) provides process loop control and monitoring capabilities for a single loop. 

The analog control station receives and sends information to and from the

Harmony controller through the CIO-100 control I/O block, the IMCIS12 control I/O module, or

the IMQRS12 quick response module. It includes features not found on earlier digital control

stations:

■ Additional analog input display with square root option.

■ High resolution bar graph displays.

■ Five or 40-kilobaud serial link.

HARDWARE DESCRIPTION

The SAC station is a single printed circuit board assembly. The

board assembly is housed in a panel mounted plastic case. The

faceplate indicators and membrane switches provide the operator interface.

The faceplate has three gas plasma bar graph displays. They

provide a high resolution display of:

• Set point.

• Process variable.

• Control output (demand output) data.

An eight-character alphanumeric display shows:

• Process variable value.

• Process variable alarms.

• Set point.

• Control output (demand output).

• Operational mode.

• Error codes.

The front panel pushbuttons:

• Select the alphanumeric display mode.

• Select the station operational mode.

• Raise/lower set point and control output (demand output).

• Select manual override.

• Acknowledge the alarms.

Specifications