Diagnostics and Troubleshooting - User Interface

Table 27 - Controller Module Diagnostics

OI Screen

OI Screen

Number of

Possible Cause

Control File Action

User Action

Item

Item Value

LED

 

 

 

 

 

Strobes

 

 

 

MODULE 1

GOOD

N/A

N/A

N/A

N/A

through

 

 

 

 

 

MODULE 16

 

 

 

 

 

 

HI CJ

6

Possible causes of

1. Associated AI blocks

1. Improve ventilation

 

TEMPERAT

 

this diagnostic are:

that are configured as

to rack

 

URE

 

1. One of the two CJs

T/Cs set their fail pin

2. Replace AI module

 

 

 

on, their warn pin off,

 

 

 

on the module is

 

 

 

 

and their output pin to

 

 

 

 

indicating a

 

 

 

 

the failsafe value.

 

 

 

 

temperature reading

 

 

 

 

2. Associated AI blocks

 

 

 

 

greater than 70

 

 

 

 

degrees C.

that are configured as

 

 

 

 

2. Both cold-junction

T/Cs set their IO status

 

 

 

 

to “CJ High

 

 

 

 

sensors are failing to

 

 

 

 

Temperature” for

 

 

 

 

convert.

 

 

 

 

reason 1 or “CJ Failure”

 

 

 

 

3. The CJs are

 

 

 

 

for possible causes 2

 

 

 

 

converting properly,

and 3.

 

 

 

 

but their differential

3. Associated rack

 

 

 

 

is greater than 10

 

 

 

 

monitor block’s module

 

 

 

 

degrees C.

 

 

 

 

fail pin is turned on.

 

 

 

 

 

 

 

 

 

 

4. Associated rack

 

 

 

 

 

monitor block’s RACK

 

 

 

 

 

OK pin is turned off.

 

 

 

 

 

5. Associated rack

 

 

 

 

 

monitor block’s

 

 

 

 

 

HITEMP pin is turned

 

 

 

 

 

on.

 

 

 

 

 

6. ASYS block’s HITEMP

 

 

 

 

 

pin is turned on.

 

 

 

 

 

7. ASYS block’s HW OK

 

 

 

 

 

pin is turned off.

 

 

WRONG

6

The module does not

1. Associated blocks set

1. Verify configuration

 

MODULE

 

agree with the module

their fail pin on, their

2. Replace module with

 

 

 

required for the

warn pin off, and their

 

 

 

the correct one.

 

 

 

control scenario.

output pin to the

 

 

 

 

 

 

 

 

failsafe value.

 

 

 

 

 

2. Associated blocks set

 

 

 

 

 

their IO status to

 

 

 

 

 

“Channel No Comm”.

 

 

 

 

 

3. Associated rack

 

 

 

 

 

monitor block’s module

 

 

 

 

 

fail pin is turned on.

 

 

 

 

 

4. Associated rack

 

 

 

 

 

monitor block’s RACK

 

 

 

 

 

OK pin is turned off.

 

 

 

 

 

5. ASYS block’s HW OK

 

 

 

 

 

pin is turned off.

 

126

HC900 Hybrid Controller Installation and User Guide

Revision 5

 

 

9/03

Page 136
Image 136
Honeywell HC900 manual Module Good

HC900 specifications

The Honeywell HC900 is a robust control solution designed to meet the demands of process industries. This flexible and powerful platform provides a comprehensive set of features tailored for process control and monitoring applications. The HC900 is particularly suited for batch control, continuous processes, and discrete applications, making it a versatile choice for a variety of industries, including oil and gas, chemicals, and electricity generation.

One of the main features of the HC900 is its modular design. This allows users to customize their control systems by selecting from a range of I/O modules, communication options, and control strategies. The system supports both analog and digital inputs and outputs, enabling seamless integration with existing infrastructures. Additionally, the modular approach enhances scalability, allowing users to expand their systems as their needs evolve.

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In summary, the Honeywell HC900 stands out as a powerful and flexible control solution, equipped with modular design, advanced control technologies, and user-friendly interfaces that cater to the diverse needs of process industries. With its comprehensive data management capabilities and robust communications options, the HC900 is an excellent choice for organizations striving for efficiency and reliability.