Operation Status Indicators

Number of analog input cards

8

9

10

11

12

13

14

15

16

Time to complete one full

scan

(in milliseconds)

1700

1900

2100

2300

2500

2700

2900

3100

3300

Status Indicators

Status LEDs

Four LEDs on the CPU module (shown in Figure 30) indicate the operating status of the controller and are described in Table 18.

Table 18 Controller status LEDs

Designation

POWER

LoBAT

FORCE

RUN

State

Steady on

Blinking

On

On

On

Blinking

Off

Indication

Power is applied to the controller backplane.

Diagnostic indication. See NOTE.

The CPU battery is low and needs replacement.

One or more function block output values have been forced.

Controller is in RUN mode.

Controller is in OFFLINE mode

Controller is in PROGRAM mode.

OR

If POWER LED is blinking a fault has been detected in controller. See NOTE.

NOTE: See Table 20 for the details of the indications and their meaning.

Release F

UMC800 Controller Installation and User Guide

59

4/01

 

 

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Image 67
Honeywell UMC800 manual Status Indicators, Status LEDs, Controller status LEDs