Marathon Computer V3.5 user manual LEDs

Marathon Monitors Inc.

This 4 digit 14-segment display provides the value of the process setpoint value during Auto and Program operation. In Manual mode the Time-Proportioning % Output value is displayed. During operator input procedures this display shows the data being entered. The SET window displays the corresponding data for the OPCODES displayed in the PROCESS window when in the Program Editor.

LEDs

Several small LEDs indicate operations and functions of the UNIPRO. Ten are on the face and three are in the keys.

Output 1 indicates when the Output 1 Control relay is closed.

Output 2 indicates when the Output 2 Control relay is closed.

Alarm 1 indicates when the process value has closed the relay based upon trip point and type of alarm.

Alarm 2 indicates when the process value has closed the relay based upon the trip point and type of alarm. Also, if Switch 6, Bank 1 is ON the LED indicates the closed control output relay.

Prog	indicates that a program is running and Automatic control is
activated. If flashing, the program is in HOLD. Refer to the
section "The Programmer".
Auto	indicates that the UNIPRO is in Automatic control mode. If

flashing, a program is in HOLD.

Manual indicates that no control action is being executed by the UNIPRO. If flashing, a program is in HOLD.

Power indicates that the UNIPRO's 5 volt power supply is functioning.

Unipro 3.5 Process Control 1 Aug. 1997