Honeywell HC900 manual Good Data Link

Models: HC900

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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

 

 

 

RS-232

GOOD

N/A

N/A

N/A

N/A

 

 

 

 

 

 

 

DATA LINK

8

A large number of

1. Rack 1 monitor block’s

1. Check baud rate

 

FAILURE

 

messages are

COMPORT DIAG is set

2. Check connectors

 

 

 

resulting in data link

to FAILED.

 

 

 

3. Check cable polarity

 

 

 

errors.

2. Rack 1 monitor block’s

 

 

 

 

4. Isolate cabling from

 

 

 

 

RACK OK pin is turned

 

 

 

 

off.

electrical

 

 

 

 

3. ASYS block’s HW OK

interference

 

 

 

 

5. If RS232 to RS485

 

 

 

 

pin is turned off.

 

 

 

 

4. If configured as a

converter is used,

 

 

 

 

check its power,

 

 

 

 

Modbus master:

 

 

 

 

switch/jumper

 

 

 

 

 

 

 

 

 

1. ASYS and FSYS

settings, and polarity.

 

 

 

 

blocks’ Modbus Master

6. If configured as a

 

 

 

 

Fail pins are turned on.

 

 

 

 

Modbus master, use

 

 

 

 

 

 

 

 

 

2. Slave and read blocks

the slave status

 

 

 

 

associated with the

screens to determine

 

 

 

 

slaves experiencing the

which slaves are

 

 

 

 

failure have their read

experiencing the

 

 

 

 

pins frozen to the last

problem. For those

 

 

 

 

value read.

slaves check:

 

 

 

 

3. Slave blocks associated

power

 

 

 

 

connections

 

 

 

 

with the slaves

 

 

 

 

address

 

 

 

 

experiencing the failure

 

 

 

 

have their BAD COMM

baud rate

 

 

 

 

and NO SCAN pins

parity

 

 

 

 

turned on.

number of stop bits

 

 

 

 

4. IN SCAN STATUS is

for electrical

 

 

 

 

interference

 

 

 

 

set to NO for all slaves

 

 

 

 

grounding

 

 

 

 

experiencing the failure.

 

 

 

 

termination resistor (if

 

 

 

 

5. COMM STATUS is set

 

 

 

 

at end of link)

 

 

 

 

to BAD for all slaves

7. The diagnostic is

 

 

 

 

experiencing the failure.

 

 

 

 

6. The slaves with the data

cleared by clearing

 

 

 

 

the port’s statistics.

 

 

 

 

link errors have a non-

 

 

 

 

 

zero data link error

 

 

 

 

 

count.

 

 

 

 

 

7. The slaves experiencing

 

 

 

 

 

the failure are moved to

 

 

 

 

 

the background scan

 

 

 

 

 

rate.

 

130

HC900 Hybrid Controller Installation and User Guide

Revision 5

 

 

9/03

Page 140
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Honeywell HC900 manual Good Data Link

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.

The HC900 is equipped with advanced control technologies, including adaptive control, multivariable control, and real-time data logging. These capabilities facilitate fine-tuned control over complex processes, improving efficiency and reducing waste. The system can manage multiple process loops simultaneously, providing operators with a holistic view of their operations.

Another significant characteristic of the HC900 is its intuitive user interface. The system features a graphical display that allows operators to monitor system performance easily and make adjustments quickly. This user-friendly design minimizes training requirements and encourages efficient operation across different experience levels.

Furthermore, the HC900 incorporates sophisticated data management tools. With built-in logging and reporting functions, users can track process variables and generate comprehensive reports for analysis and regulatory compliance. This data-centric approach fosters informed decision-making and enhances overall operational effectiveness.

From a communication standpoint, the HC900 supports a variety of protocols, making it compatible with many industry-standard devices. This interoperability ensures that users can integrate the HC900 into their existing systems without hassle, streamlining migration and upgrade processes.

Additionally, the HC900 is built with reliability in mind. Its rugged design ensures durability, capable of withstanding harsh environments while maintaining consistent performance.

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.