VDH MC3-TM Manuale utente

Description:

MC3

Temperature Monitor

Pages:

Doc.nr:

131

083

Type:

Manual

By:

Version:

File:

Do131

083

MC3

Manual V

Signature:

Date:

201

VDH Products BV

MC3

Manual

Manual MC3-TM Temperature Monitor Documentnr.: 131083 version 2.1

Page 2of 16

1.Table of contents

1. Table of contents...........................................................................................................................................................................2

2. Technical specifications ..............................................................................................................................................................3

3. Functional specifications............................................................................................................................................................4

4. Network settings............................................................................................................................................................................5

5. Internal settings / values.............................................................................................................................................................6

6. Service interface............................................................................................................................................................................8

6.1. Temperature Monitor config...................................................................................................................................................8

6.2. Config overview...........................................................................................................................................................................9

6.3. Hardware config..........................................................................................................................................................................9

6.4. Backup configuration..............................................................................................................................................................10

6.5. Restore configuration.............................................................................................................................................................10

6.6. Restart application..................................................................................................................................................................11

6.7. Modbus access .........................................................................................................................................................................11

6.8. Date/Time settings..................................................................................................................................................................12

7. Alarms.............................................................................................................................................................................................13

8. Diagrams of connections ..........................................................................................................................................................14

9. Dimensions....................................................................................................................................................................................16

The information contained in this document is assumed to be accurate. However VDH Products BV accepts

no liability for eventual mistakes or errors and has the right to change this document without notice.

Manual MC3-TM Temperature Monitor Documentnr.: 131083 version 2.1

Page 3of 16

2.Technical specifications

Type

MC3

(

Temperature Monitor

)

Communication

TCP/IP and serial connection for service purposes

Power supply

12 VC DC

Power consumption

Measurement range

50.0°C / + 50.0°C

Accuracy

Inputs

x Pt1000

wire temperature sensors

2x Dig.

in, potential free contact

Outputs

1x Analog out for SSR (Solid State Relay)

7x Analog out (spare)

Housing

MC3

DIN

rail mounting

Dimensions

10 x 191 x 100mm (lhd)

Operating temperature

Operating RH

Manual MC3-TM Temperature Monitor Documentnr.: 131083 version 2.1

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3.Functional specifications

The MC3-TM controller simultaneously monitors temperature sensors. It alarms when one or more of the

measured temperatures drops below the configured minimum or exceeds the configured maximum

temperature.

These minimum and maximum temperatures are configurable for both temperature measurements and

can be placed within the measurement range.

Also a delay can be configured in order to wait an amount of time before raising an alarm. This delay can

be set per measurement and for both the minimum and maximum temperature limit.

The MC3-TM will be connected to a TCP/IP network and can be set to use a static IP address or to use a

DHCP server to obtain one.

Settings can be read out and altered using a software program which connects to the MC3-TM using the

Modbus TCP protocol. Using this program also measured values can be read.

The MC3-TM also provides a service interface using an embedded webserver to enable the user to view

and alter advanced settings.

Manual MC3-TM Temperature Monitor Documentnr.: 131083 version 2.1

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4.Network settings

In order to make a connection to the controller, it must be given an IP address. The IP-address can be

configured using “VDH IP configurator” (VDH_Conf).

This program can search for connected VDH MC3 controllers and using the MAC-address of the MC3, the

IP-address can be obtained.

Start the program and select an interface. Press scan to search for available MC3 controllers. All found

devices will be listed. Both MAC-address and IP address will be shown.

The MAC-address of the MC3-TM is printed on a sticker which is placed on the mainboard. Using this

MAC-address, the device can be selected in the list.

Select the device and alter the network settings as desired. Enter the password and click on the button

“Set” to change the network settings of the selected MC3.

Manual MC3-TM Temperature Monitor Documentnr.: 131083 version 2.1

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5.Internal settings / values

The internal setting can be adjusted using Modbus TCP on the default port 502.

The following settings can be adjusted using Modbus function to modify registers.

Nr Description Mode Repr *2) Range Unit Default

Offset temp

erature sensor cold water

R/W

15,0 .. 15,0

°C

0,0

Offset temperature sensor hot water

R/W

15,0 .. 15,0

°C

0,0

Minimum alarm temperature cold water

R/W

50,0 .. 50,0

°C

0,0

Maximum alarm temperature cold water

R/W

50,0 .. 50,0

°C

10,0

Minimum alarm temperature hot water

R/W

50,0 .. 50,0

°C

30,0

Maximum alarm temperature hot water

R/W

50,0 .. 50,0

°C

40,0

Minimum alarm delay cold water

R/W

0 .. 99

Minutes

Maximum alarm delay cold water

R/W

0 .

. 99

Minutes

Minimum alarm delay hot water

R/W

0 .. 99

Minutes

Maximum alarm delay hot water

R/W

0 .. 99

Minutes

91 Log interval R/W B 1 .. 120 Minutes 1

Software version

Serial number

Production d

ate

100

Errors

Bit 0 – Cold water temperature sensor defect

Bit 1 – Hot water temperature sensor defect

Bit 2- Minimum alarm cold water

Bit 3 – Maximum alarm cold water

Bit 4 – Minimum alarm hot water

Bit 5 – Maximum alarm hot water

Bit 6 – Communication error 1

Bit 7 – Communication error 1

Bit 8 – Communication error 1

R/W

*1)

Manual MC3-TM Temperature Monitor Documentnr.: 131083 version 2.1

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The controller also offers functionality to readout measurement values.

These values can be read by using Modbus functions to readout actual values.

Nr Description Repr *2) Range Unit

emperature cold water

,0 .. 5

°C

emperature hot water

,0 .. 5

°C

Minimum alarm temperature cold water

50,0 .. 50,0

°C

Maximum alarm temperature cold water

50,0 .. 50,0

°C

Minimum alarm temperature hot water

50,0 .. 50,0

°C

Maximum alarm temperature hot water

50,0 .. 50,0

°C

Minimum alarm delay cold water

0 .. 99

Minutes

Maximum alarm delay cold water

0 .. 99

Minutes

Minimum alarm delay hot wa

ter

0 .. 99

Minutes

Maximum alarm delay hot water

0 .. 99

Minutes

91 Log interval B 1 .. 120 Minutes

Software version

Serial number

Production date

*1) Modbus register 100 can only be written with the value 0.in order to acknowledge the

present errors. Writing any other value will result in an “Invalid value” fault.

*2) repr = Representation:

A = fixed point, single decimal (2-complement)

B = whole number

C = bit representation (non listed bits are reserved and should be ignored)

Manual MC3-TM Temperature Monitor Documentnr.: 131083 version 2.1

Page 8of 16

6.Service interface

The MC3-TM is not equipped with an display in order to change settings or read measured values.

Settings for manipulating the control process can be accessed by Modbus as well as the measured

values. Advanced settings like connections, system time, and selecting who is allowed to access the

MC3-TM by Modbus can be done in the service interface which is accessible using a conventional web

browser on a PC. By entering the IP-address in a browser the service interface can be accessed.

Access to the shown service interface is obtained by using the following URL:

(http://192.168.250.245/config)

On the left of the screen different configurations can be selected

6.1. Temperature Monitor config

This screen shows how the MC3-TM uses the available connections (e.g. how to connect the

temperature sensors and alarm output).

The available options are shown and every configured connection is shown in green. As soon as

one of the options is not configured to use a hardware number, it will be show in grey, indicating it

is not used.

For example, if “Temperature sensor hot water” has no value for “Hardware number”, it will be

shown in grey and the controller will not monitor this sensor anymore and no alarm will be given

for reaching alarm temperatures.

Manual MC3-TM Temperature Monitor Documentnr.: 131083 version 2.1

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The option “Alarm” has the possibility to change the mode. The available choices are “watch

alarm” and “control alarm”. Using watch alarm the analog output that controls the alarm relay will

be set to 10V when there is no alarm and it will be set to 0V when an alarm occurs.

By default the alarm output is set to the first output (on the left of the output board), but when

another output should be used, the value of hardware number can be changed likewise. For the

alarm output 8 options are possible since the output board has 8 analog outputs.

By selecting the button “Submit” at the bottom the selected configuration will be saved on the

MC3-TM and it is ready for use.

It will be used when the MC3-TM is rebooted or when the control application is restarted.

(see 6.6 Restart application).

6.2. Config overview

This screen shows an overview of the same configuration used in the “Temperature Monitor

config” screen, but here it is shown from a connection point of view. It gives an overview of where

to connect which sensor, input switch, of output.

6.3. Hardware config

The “Hardware config” screen shows which I/O hardware is available and should only be altered if

hardware is changed/replaced and only in consulting with VDH Products.

Manual MC3-TM Temperature Monitor Documentnr.: 131083 version 2.1

Page 10 of 16

6.4. Backup configuration

The “Backup configuration” screen gives the possibility to make a backup of the current settings

and software. This backup can be used to restore all settings to another MC3-TM in case of a

hardware failure. When backups are made, they will be show in this screen and they can be

downloaded to a PC. Saving a backup on another system than the MC3-TM is recommended to be

able to restore the backup in case of a hardware failure.

6.5. Restore configuration

The “Restore configuration” screen provides the possibility to restore a backup which was

previously made. Backups which are stored on the MC3 can be selected or a backup file which was

stored on a local PC can be uploaded and used as well. Restoring backups should only be done in

consulting with VDH Products.

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