Vermes MHC 48-1 Manuel utilisateur

VTK-VS-BA-058e-B | User Manual MHC 48-1 | Introduction

VTK-VS-BA-058e-B | User Manual MHC 48-1 |Introduction

Content

1Introduction ................................................................................... 3

1.1 Intended Use............................................................................................................... 4

1.2 Abbreviations .............................................................................................................. 4

2Main Function: Heating................................................................... 5

3Quick Start ..................................................................................... 6

4Heater Control Unit MHC 48-1 ...................................................... 10

4.1Technical Data........................................................................................................... 10

4.2 Front Side .................................................................................................................. 11

4.3 Top Side..................................................................................................................... 12

4.4 Function Keys ............................................................................................................ 13

4.5 Beeper alarm............................................................................................................. 15

4.6 Setting up the MHC 48-1........................................................................................... 16

4.7 Menu Structure......................................................................................................... 20

4.7.1 Top Menu (Basic Level) ............................................................................................. 20

4.7.2Second Menu Level ................................................................................................... 22

5Communication Interfaces ............................................................ 24

5.1 Serial Interface RS-232C: 9-Pin Sub-D ....................................................................... 24

5.2 Commands ................................................................................................................ 25

5.2.1 Command Overview.................................................................................................. 26

5.2.2 Command Explanations ............................................................................................ 27

5.3 PLC Interface: 15-pin, Sub-D ..................................................................................... 34

6Error Messages ............................................................................. 35

6.1 Table of Error Messages............................................................................................ 35

6.2 Explanations of Error Messages ................................................................................ 37

7Safety Notes ................................................................................. 44

7.1 Obligations and Liability............................................................................................ 44

7.2 Residual Risks ............................................................................................................ 44

7.3 Specification and Technical Notes ............................................................................ 45

7.4 Warnings ................................................................................................................... 45

7.5 Protective Equipment and Safety Clothing ............................................................... 45

8Attachments................................................................................. 46

8.1 Dimensional Drawing MHC 48-1 ............................................................................... 46

8.2 Connection of MHC 48-1 with Adapter Cable MHC-48 for Power Supply,

extendable ................................................................................................................ 47

8.3 Connection Diagram PLC Interface ........................................................................... 53

8.4 Overview of the Function Keys of the MHC 48-1 ...................................................... 54

8.5 Temperature Correction ........................................................................................... 57

8.5.1 Basics of the Temperature Correction ...................................................................... 57

8.5.2 Finding the Correction Parameters m and T ............................................................. 59

8.5.3 Entering the Correction Parameters m and T ........................................................... 60

8.6 Firmware Update with the MHC_ Firmware_Loader................................................ 61

8.7 EC Declaration of Conformity.................................................................................... 65

9Index ............................................................................................ 66

VTK-VS-BA-058e-B | User Manual MHC 48-1 | Introduction

1INTRODUCTION

This User Manual explains the main properties and functions of the heater controller MHC

48-1 (see Picture 1). You can use it to control integrated heaters (for a list of compatible

heaters, see chapter 1.1)connected with a microdispensing system.

The pictures in this manual might differ slightly from the final product.

In the case of further questions, consult our Technical Support.

Technical Support VERMES Microdispensing GmbH

Rudolf-Diesel-Ring 2

83607 Holzkirchen

Tel.: +49 (0) 80 24 6 44-26

Fax.: +49 (0) 80 24 6 44-19

support@vermes.com

www.vermes.com

Service hours Monday - Friday 9.00 to 17.00 (CET).

Picture 1: MHC 48-1 (with Adapter Cable MHC-48 for Power Supply, PLC & RS232)

VTK-VS-BA-058e-B | User Manual MHC 48-1 |Introduction

1.1 Intended Use

You can use the MHC 48-1 for the following applications:

•Controlling the nozzle heater of your VERMES Microdispensing System

•Keeping a dispensing application stable at a constant temperature

The MHC 48-1 can control heaters working on an extra-low voltage basis (48 V). See the de-

vices listed below.

Heater:

MDFH-48-CC (Order no. 1013967, power consumption 20 W, maximum 180 °C)

MDFH-48-CC right (Order no. 1014014, power consumption 20 W, maximum 180 °C)

MDFH-48-CC left (Order no. 1014145, power consumption 20 W, maximum 180 °C)

MDFH-48-CC-HC (Order no. 1014147, power consumption 20 W, maximum 180 °C)

MDFH-48-CCI (Order no. 1013969, power consumption 20 W, maximum 180 °C)

MDFH-48-CH-TA (Order no. 1014052, power consumption 20 W, maximum 180 °C)

MDFH-48-CH-TA right (Order no. 1014059, power consumption 20 W, maximum 180 °C)

MDFH-48-CH-TA-B (Order no. 1014353, power consumption 20 W, maximum 180 °C)

MDFH-48-CH-TA-B +10 mm (Order no. 1015272, power consumption 20 W, maximum

180 °C)

MDFH-48-CHI-BY (Order no. 1014233, power consumption 20 W, maximum 180 °C)

MDH-48-BY-45W (Order no. 1014533, power consumption 45 W, maximum 180 °C)

1.2 Abbreviations

Abbr.

Full name

BL Boot loader

FW Firmware

MDC Controller (MicroDispensingControl unit)

MDF Fluid box (MicroDispensingFluid box)

MDS MicroDispensingSystem

MDV Valve (MicroDispensingValve)

MHC Microdispensing heater controller

MV Mean value

PWM Pulse-width modulation

SSD Seven-segment display

VTK-VS-BA-058e-B | User Manual MHC 48-1 | Main Function: Heating

2MAIN FUNCTION: HEATING

The MHC 48-1 has the following main function: controlling heaters. This chapter describes

this main function.

VERMES MicroDispensing Systems can be fitted with a heater. With a heater, you can con-

trol the dynamic viscosity of the fluid you want to dispense. For some fluids, dispensing

without heating is impossible. Heating may also be required to ensure a constant process

temperature or is necessary when the dispensing has to take place above room tempera-

ture.

There are two main types of heater: nozzle heaters and cartridge heaters. With the MHC 48-

1, you can control nozzle heaters. For a list of heaters compatible with the MHC 48-1, check

chapter 1.1.

Picture 2 shows one example, the MDFH 48-CC, connected with a MicroDispensing Valve.

The heater contains a heating element, to create the necessary warmth near the nozzle (see

Picture 3, red part). To check the temperature, the heater also contains a Pt100 sensor (see

Picture 3, blue part). This allows the MHC 48-1 to keep the target temperature near the noz-

zle.

Since there is a small but necessary distance between the sensor and the nozzle, in some

applications might be a slight difference between the temperature measured at the Pt100

sensor and the actual temperature at the nozzle. For those applications, you have the possi-

bility to use a temperature correction. You can change the correction parameters with the

serial command “CON:TCORR” (see chapter 5.2.2).

We recommend you use the temperature correction only after you have fully understood

the system. You can find more information in the attachment 8.3.

Picture 2: MDV with MDFH 48-CC

Picture 3: MDFH 48-CC schematic with heating element (red) and Pt100 sensor (blue)

VTK-VS-BA-058e-B | User Manual MHC 48-1 |Quick Start

3QUICK START

This chapter provides the necessary information to start your MHC 48-1 and to use its basic

functions (switching on the heater, setting the target temperature). We recommend to read

the whole manual before you start working with the MHC 48-1, but this chapter gives you a

quick introduction to use the basic functions. Once you want to use other features of the

MHC 48-1 (e.g. the serial interface), you will need to refer to the corresponding chapters.

With the following steps, you can connect your MHC 48-1 and use the basic functions.

Step 1: Plug in adapter cable

You need your Adapter Cable MHC-48. You either have the Adapter Cable MHC-48 for

Power Supply, PLC & RS232 (see Picture 4) or an Adapter Cable MHC-48 for Power Supply,

extendable (see Picture 5). For the quick start and the use of the basic functions, it makes no

difference which one you use. This chapter uses the Adapter Cable MHC-48 for Power Sup-

ply, extendable.

Plug the adapter cable in the sub-D socket on top of your MHC 48-1 (see Picture 6). Screw

the sub-D depth bolts tight.

Picture 4: Adapter Cable MHC-48 for Power Supply, PLC & RS232

Picture 5: Adapter Cable MHC-48 for Power Supply, extendable

VTK-VS-BA-058e-B | User Manual MHC 48-1 | Quick Start

Step 2: Connect power supply

Connect the 4-pin PCB connector of the adapter cable with the counter part of your power

supply (see Picture 7 and Picture 8). You power supply must be set to 48 V DC.

Picture 6: Connect the adapter cable

Picture 7: Power connection (not yet connected)

Picture 8: Power connection (connected)

VTK-VS-BA-058e-B | User Manual MHC 48-1 |Quick Start

Step 3: Connect heater

You have to connect the heater cable of your heater (e.g. MDFH 48-CC, see Picture 19 with

MDFH isolation body NAN-fix included) with the socket for heater on top of the MHC 48-1 (see

Picture 9). Push the plug in; then screw the connection tight. Press the case slightly forward

while screwing.

Step 4: Switch ON the MHC 48-1

The MHC 48-1 has no separate ON/OFF button. Turn it ON by turning the power supply

(48 V DC) ON.

After the start the display will show “OF” (= off), since the heater is OFF. Later you can

change the settings of your MHC 48-1, so that the heater is ON after the start-up of the

MHC 48-1 and the display shows the current temperature (see chapter 4.7).

Step 5: Set target temperature

Press the Set key shortly to change the display for the target temperature. When showing

the target temperature, the display is flashing rapidly. By pressing the Up-key or Down-key

(see Picture 10 and Picture 11)you can change the target temperature. With the Up-key, you

increase the temperature; with the Down-key, you decrease the temperature. The highest

temperature you can set is 99 °C. For temperatures over 70 °C, you will get a warning sound.

After approx. 3 s without pressing a key, the display jumps back to the current temperature.

You can also press the Set-key (see Picture 12)shortly, to jump back directly.

Picture 9: Heater connected

Picture 10: Up-key

Picture 11: Down-key

VTK-VS-BA-058e-B | User Manual MHC 48-1 | Quick Start

Step 6: Switch ON the heater

You activate the heater by pressing the Set-key (see Picture 12)longer. The display changes

to the current temperature, which is given in °C. The value shown is flashing slowly. This is

the case, until the current temperature has reached the target temperature and is stable.

Then the display of the current temperature is steady without flashing.

When the heater is ON, you can still change the target temperature as shown in step 5. The

display of the current temperature will again flash slowly, until the current temperature has

reached the target temperature. To deactivate the heater, you press the Set-key longer. The

display will show “OF”.

CAUTION! (High temperatures)

The MHC 48-1 can control integrated nozzle heaters at temperatures of up to 99 °C. Do not

touch the nozzle area during operation. Afterwards only touch it once it has cooled down.

Step 7: Save target temperature

If you change a target temperature in the main menu, this is not saved after a re-start. To

save a new target temperature for future use, follow the instructions below.

Press the key combination Up-key + Down-key together for a long moment. The display

jumps to the menu item “H.1” in the second menu level (see chapter 4.7.2). Press the Set-

key shortly. You see the currently saved target temperature. With the Up-key and the

Down-key, you can set the desired target temperature. A short pressing increases the value

by 1 (Up-key) or decreases it by 1 (Down-key). By pressing the key longer, the display starts

to scroll up or down, respectively.

With another short pressing of the Set-key, you save your changes. The display jumps back

to the menu item “H.1”. If you want to abort your changes without saving, you have to press

the Set-key longer to jump back to “H.1”.

With pressing the Set-key longer in the menu item “H.1”, you jump back to the top menu

level to the display of the current temperature. Be aware that this change of the saved tar-

get temperature only works after a re-start. Alternatively, you can set the target tempera-

ture manually to the new value (see step 5).

You can find a detailed description of MHC 48-1 in chapter 4. The interfaces and serial com-

mands are explained in chapter 5 and potential error messages in chapter 6.

Picture 12: Set-key

VTK-VS-BA-058e-B | User Manual MHC 48-1 |Heater Control Unit MHC 48-1

4HEATER CONTROL UNIT MHC 48-1

This chapter describes the menu structure, keypad and the functions of the heater control

unit MHC 48-1. It also explains how to set it up.

IMPORTANT NOTE! (No ON/OFF button)

The MHC 48-1 has no separate ON/OFF button. Just connecting the power supply (48 V DC)

will turn it ON and disconnecting it will turn it OFF.

4.1 Technical Data

Parameter Value

Dimensions 135 mm H x 42 mm W x 75 mm D (with adapter)

(see also dimensional drawing, page 46)

Weight ca. 200 g (+ 130 g for the adaptor)

Supply Voltage 48 V DC

Power Consumption 25 W

Current Consumption 550 mA max.

During start-up, this value can increase by a fac-

tor of 5 (start-up peak).

Operating Temperature 0 °C to 50 °C

Air Humidity 35 % till 80 % rH

Casing Type Case with clamp for top hat rail

Color of Casing Silver and blue

Display Seven-segment display (SSD)

Display Color Green letters on dark background

Keypad 3 function keys

Color of Keys Blue-white, orange

Plug Contacts (Top)Socket for Cable for Heater

9-pin Sub-D socket for Adapter Cable MHC-48 for

Power Supply, PLC & RS232

(At the adapter cable:

Power Supply: 4-pin PCB connector for power

connection (48 V DC)

PLC: 15-pin Sub-D socket

RS-232C: 9-pin Sub-D socket)

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