Maintenance And Service; Basic Cleaning; Error Messages In Pcs10 - E+E Elektronik CDS201 User Manual

Room sensor for co2, temperature and relative humidity

Hide thumbs Also See for CDS201:

Quick manual (2 pages)

Table Of Contents

Table of Contents

Query consecutive registers, addresses 0xBB8-0xBBD (CO

Master (e.g. PLC)

Request [Hex]:

Modbus

address

Response [Hex]:

Modbus

address

value Lo

Fig. 7

Read several values with a single query

6 Maintenance and Service

6.2.1.

Basic Cleaning

If the response times are longer than specified, this may be due to contamination. In this case clean the

ventilation slots by blowing from inside out.

6.2.2.

Error Messages in PCS10

The PCS10 information section includes error messages from CDS201, if there are any errors present. The

following table shows the error codes and their meaning. Please note that this table directly corresponds to

Tab. 7 Device status indication register in chapter 5.2.7.

Error code

Description

7.x

Temperature measurement incorrect

9.x

Humidity measurement incorrect

15.x

19.x

Sensing element not accessible

21.x

Display communication faulty

Tab. 10

Possible error messages for CDS201

Function

Starting

code

address Hi

address Lo

Function

Byte

code

count

value Hi

value Lo

measurement incorrect

and T mapped, one register empty)

Starting

Qty. of

registers Hi

registers Lo

value Hi

value Lo

value Hi

value HI

value Lo

value Hi

Recommended action

1. Check the actual temperature with the

temperature output scaling of the ordered

sensor, check the wiring

2. Service recommended, check the repair