Delta-mobrey DMCU800 Guía

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IOM-DMCU800 Rev. A: Oct 2022

Installation, Operation &

Maintenance Instructions

Programmable Controller

Model DMCU800

SAFETY INSTRUCTIONS

Informaon ..points out useful ps,

recommendaons and informaon for

ecient and trouble-free operaon.

CAUTION! ..indicates a potenally dangerous

situaon that can result in light injuries

or damage to equipment or the

environment, if not avoided.

WARNING! ..indicates a potenally dangerous

situaon that can result in serious injury

or death, if not avoided.

WARNING!..idenes hazards caused by electric

power. Should the safety instrucons

not be observed, there is a risk of

serious or fatal injury.

WARNING! ..indicates a potenally dangerous

situaon that can result in burns, caused

by hot surfaces or liquids, if not avoided.

WARNING! ..indicates a potenally dangerous

situaon in the hazardous area that can

result in serious injury or death, if not

avoided.

Ex applicaons ..special instrucons for Ex applicaons.



CONTENTS

• Foreword

• Overview

• Programming

- Controller parameters

- Standard Conguraon Parameters

- Standard Parameters of Control Algorithm

- Standard Parameters of Basic

- Addional Parameters values

- Error messaging

- Addional parameters Value

• Program Levels

- Basic Level

- Parametric Level

- Conguraon Level

- Seng numerical Parameter Value

- Seng Symbolic Parameter Value

- Output Control

- Input ltraon

• Communicaon Protocol

• Specicaon

• Wiring

• Input Seng

• Mounng

• Waste disposal

• Model code

FOREWORD

The unit is manufactured, checked and supplied in

accordance with our published specification, and when

installed and used in normal or prescribed applications, with

the lid in place and within the parameters set for mechanical

and electrical performance, will not cause danger or hazard

to life or limb.

Warning: Units must be selected and installed by

suitably trained and qualified personnel in

accordance with appropriate codes of practice so

that the possibility of failure resulting in injury or

damage caused by misuse or misapplication is

avoided.

Warning: before installation check that the

instrument characteristics comply with process and

plant requirements.

Warning: The users attention is drawn to the fact

that, when the unit is ‘live’ with respect to electrical

or pressure supplies, a hazard may exist if the unit is

opened or dismantled

Warning: where any special condition of the product

has been required as identified by the last 4 digits of

the part number, follow the necessary safety

instruction for a correct installation.

If the equipment is likely to come into contact with aggressive

substances, suitable precautions should be taken that prevent it

from being adversely affected, thus ensuring that the type of

protection is not compromised. Aggressive substances: e.g.

acidic liquids or gases that may attack metals or solvents that

may affect non-metallic materials. Suitable precautions: e.g.

regular checks as part of routine inspections or establishing

from the material’s data sheet that it is resistant to specific

chemicals.

OVERVIEW

Indicator DMCU800 is a low multifunctional programmable

controller. Its universal input accepts the most common

RTDs, thermocouples and linear signals. The device can be

equipped with up to 5 relays outputs, which can control

various actuators using ON/OFF control algorithm. Тhe

controller can be equipped with an additional analog output

operating in retransmission mode and the optional RS485

interface enables networking. Indicator 37003754 allows

adjusting of the built-in digital filters and the programmable

output delay, resulting in increased operation reliability in

case of industrial interferences. In addition, the device

performs a specific function such as a linear-segment

transformation with up to 30 points. The functionality has

also been improved with regard to the diagnostics of failures

with programmable states of the relays and analog outputs,

depending on the type of the errors - measuring or

parametric system .

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Value Unit Notes

Pyh or Pyt - Pt100: -100…850 °C or Pt1000: -100…600 °C

Ptx1 or Ptx2 - PTC 1k or 2k: -50...150 °C

R)1 - resistive linear: 0…1 kΩ

yc-b- T/C "B": 200...1800 °C

yc-J- T/C "J": -20...1000 °C

yc-"- T/C "K": -20...1300 °C

yc-r- T/C "R": 0...1700 °C

yc-S- T/C "S": 0...1700 °C

yc-t- T/C "T": -40...400 °C

u- voltage linear: 0…100 mV

I)20 or I$20 - current linear: 0…20 mA or 4…20 mA

w)10 - voltage linear: 0…10 V

.Cor .F - °C or °F

x1, x0.1, x0.01, x0.001 - when indicating values with the input-signal measurement unit (ISU)

-1999 ... 9999 ISU These parameters make sense ONLY in case of a linear input signal!

-1999 ... 9999 ISU OFFSET

1…254 -

!2, @4, $8, (6 bps 1200, 2400, 4800 (factory-set), or 9600 bps

0 … 9999 ISU used for input peak filtration; Value '0' cancels the filtration.

0 … 9999 - This parameter and the following one define a low-pass input filter.

0 … MISU temperature: whole part of M £ 100; linear: M = 25% of input range

within input range ISU These parameters keep the Set point in safe limits,

preserving it from random changes.

cooL, hEAt - ('cooling' , 'heating')

These parameters are accessible in the presence of the corresponding relay.

0 ... 9999 ISU lower than (High input range - Set Point 1)!

0 ... 9999 ISU lower than (Set Point 1- Low input range)!

0 ... 9999 sec. Value '0' disables Pulse mode.

0 ... 9999 sec.

These parameters are accessible in the presence of the corresponding relay.

within input range ISU

PROGRAMMING

Controller parameters

The device is a programmable device whose service behavior is determined by a set of parameters. All the

parameters, along with their names, symbols, and value ranges, are given in Table 1 below

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Below the list of all the standard parameters:

Additional Parameters Values

This version with 5 contact, has additional parameters

that can be settled in different levels:

• CONFIGURATION (ConF)

• TRANSFORMATION TABLE

• CONTROL ALGORITHM

• ACCESS CONTROL PARAMETERS

• BASIC

• CALIBRATION

See dedicated page after ERROR MESSAGING for the

details

Standard Configuration Parameters

These parameters are part of the configuration level

Input Type inP Type of signal that can be connect-

ed to the device input

Unit unit Temperature measurement unit

Point Position 

Pnt Display decimal point position

Input Low ILo Display value at low limit of the

linear input range

Input High IHi Display value at high limit of the

linear input range

Input Correction Icorr Constant to be added to the meas-

ured input value

Address Addr Device address

Baud Rate bAud Serial interface rate

Gradient GrAd Maximum input signal change dur-

ing the sampling period (120 ms)

Filter Time \t Relative time constant of the input

Filter Band \b Zone around the measured value,

SP limit Low %[L Set-point Low limit

SP limit High %[H Set-point High limit

Direction 1 diR1 Control action direction of output K1

Direction 2 diR2 Control action direction of output K2

Standard Parameters of the control

algorithm

These parameters are part of Parametric level

+ Differential 1 [e1 Positive Differential of output K1

- Differential 1 me1 Negative Differential of output K1

Time On 1 ym1 ON duration of output K1

Time Off 1 y\1 OFF duration of output K1

Hold 1 HLe1 Holds the output reaction of output

The same 5 parameters, but with index 2- for output К2

Standard Parameters of Basic

These parameters are part of the operating level

Set Point 1 %[1 Set-point value of output K1

Set Point 2 %[2 Set-point value of output K2

Error Messaging

In some cases, the device finds non-conformities

in parameter values that must be corrected before

operating at Basic level.

The device indicates such kind of problems

by displaying error messages as given in the table

below.

If FAiL appears on the display, try debugging

by turning the power off/on.

If the problem persists, press and hold or send

command error 0 via the communication interface

to restore the default (factory) settings.

Message Parameters Error type

FAiL all Incorrect

memory

br" - Service re-

quired

ER01 GrAd Out of range

ER02 \t Out of range

ER03 \b Out of range

ER04 %[L Out of range

ER05 %[H Out of range

ER06 cAlL %[L >%[H

ER07 cAlH cAlL > cAlH

ERx1 ymxOut of range

ERx2 y\xOut of range

ERx3 hLex Out of range

ERx4 [sxOut of range

[sx<0

ERx5 msxOut of range

msx<0

ERx6 5.p.x Out of range

%[L …%[H

ERx7 %[.x - msxLower than

Input

Low Range

Limit

ERx8 %[.x + [sxExceeds Input

High

Range Limit

ER29 Addr Out of range

1…255

ER39 [I0N Broken

sequence of

arguments of

piece-wise

linear

transformation

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Parameter Symbol description Value Unit Notes

Configuration parameters (These parameters are part of Configuration level) – ConF

Input approximation trAn Piecewise linear

approximation

Lin or [ltr - Transformation signal or

not

Output low OLo Display value at low

limit of the linear

output range

-1999…9999 ISU These parameters make

sense ONLY in case of a

linear input signal

Output high OHi Display value at

high limit of the line-

ar output range

Input error OERi Output state at input

error

bLo, AHi, or both - to low or high limit or ac-

cording to measured val-

System error OERS Output state at sys-

tem error

bLo, AHi - to low or high limit

Direction x dir.x[1] Control action direc-

tion of output x

cooLor hEAt - (‘cooling’, ‘heating’ )

Parameters of the transformation table (These parameters are part of tRtb level)

Transformation

points

mPnt number of transfor-

mation value

N=2…30 - See on

13. Additional information for

linear ...

measured point [I01…

[I0N

Input measured

value

-1999…9999 ISU [I0N-1< p.i.0N

transformation point [O01…

[O0N

Desired output

points

-1999…9999 ISU

Parameters of the control algorithm (These parameters are part of Parametric level) - PAr

+Differential x [e.x Positive Differential

of output Kx

0…9999 ISU lower than (High input range

- Set Point x)!

-Differential x mexNegative Differen-

tial of output Kx

0…9999 ISU lower than (Set Point x- Low

input range)!

Time On x ym.x ON duration of out-

put Kx

0…9999 sec

Value '0' disables Pulse

mode.

Time Off x y\ x OFF duration of

output Kx

0…9999 sec

Hold x hLe x Holds the output

reaction of output

0…9999 sec

By value 0 hold is off

Error state x WSy x Relay state at

measurement error

Off,On -

Parameters of Basic (operating) level – L1

Set Point x S[ x Set-point value of

output Kx

-1999…9999 ISU within the range SP Limit

Low ... SP Limit High

Access-Control Parameter (parameter of Hidden level)

Access Control

Level

QxL Controls the access

to device parame-

ters

FuLL, l1 or no,- FuL (full access), L1 (access

only to parameters of level

L1 ), no (no access),

Parameters of calibration level cAL

Calibration Low cAlL Calibration of ana-

log output at low

limit

0…4095 - By setting parameter the out-

put changes according to it.

Calibration High cAlH Calibration of ana-

log output at high

limit

Manual output Qout Manual output set-

point

0…100%

Additional Parameters Values

This version with 5 contact, has additional parameters that can be settled in different levels:

CONFIGURATION (ConF), TRANSFORMATION TABLE (tRtb), CONTROL ALGORITHM (Par), ACCESS CONTROL

PARAMETERS, BASIC CALIBRATION (cAL). See below:

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PROGRAM LEVELS

Program levels are shown below

Basic Level

At Basic level, the device indicates the measured input

value (PV) with a resolution, according to the Point

Position parameter.

If the whole part of PV cannot be entirely displayed, the

unit generates blinking 'overflow' messages (oL or -oL,

depending on PV sign).

• If PV is out of its operating range (the input range

according to Table 1, extended by 5% on both

sides), the device displays blinking symbolic

messages: <__> (under-range) or {++} (over-

range). When PV is out of physical range, the unit

displays ----.

• Upon entering Basic level, the device may display

the init message, indicating that some time is

necessary for filter initialization.

• The noiS message may appear as a result of the

peak filter operation (see 'Input filtration').

• To enter parameter value adjustment mode for Set

Point 1, press and hold until %[1 appears on

the display.

To view the Set-

point value,

release the

key.

• To enter parameter value adjustment mode for

Set Point 2, follow the same procedure, but start

with the key until %[2 appears on the

display.

To view the Set-point value, release the key.

Parametric Level

This level contains the control algorithm parame-

ters. If no relay output is installed, this level does not

show up.

• Enter from Basic level by pressing

and holding until PAr appears

on the display. Release the key.

If the key is not released on time,

the device enters Configuration level.

• Choose a parameter using and .

• To enter parameter value adjustment mode,

press .

• If no key has been pressed

for a while, the device automatically returns to

Basic level, storing all confirmed changes.

• For quick exiting and saving, use key

combination +

Configuration Level

This level contains the configuration parameters of the

device.

• Enter from Basic level by pressing and holding

until conF appears on the display.

• To access and adjust the configuration parame-

ters, follow the algorithm described in

'Parametric level'.

Setting numerical parameter value

Enter parameter value adjustment mode (see 'Program

Levels').

•The whole part of the value together with the left zeroes

appears on the display, and the rightmost digit blinks.

•To select another digit, press .

•The 3 rightmost digits can accept values from 0 to 9, and

the leftmost digit can also accept the values - and `.

•To increase or decrease the blinking digit value, use

respectively or .

•Confirm the adjusted value by pressing simultaneously

+ or + .

•If the new value has not been confirmed and no key has

been pressed for a certain period of time, value adjustment

automatically ceases, and the parameter retains its initial

value

WARNING! Some parameters are accessible only when

the respective functionality is installed. (see

'Specifications').

WARNING! Changing Point Position value reflects the

real value of all parameters with ISU!

E.g.: changing Point Position value from (х1) to

(х0.1) would change a Set-point value of 100 to

10.0!!!

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Setting symbolic parameter value

• Enter parameter value adjustment mode

(see 'Program Levels').

• Read the blinking parameter value.

• To change the value, use or ,

and to confirm, press +

or + .

• If the new value has not been confirmed

and no key has been pressed for a certain

period of time, value adjustment

automatically ceases, and the parameter

retains its initial value.

Output Control

Control output operation

The control outputs operate according to the

control algorithm parameters. The outputs

deactivate with the value change of one of the

following configuration parameters :

• Point Position

• Input Low

• Input High

• Input Correction

and remain inactive untill Basic level is entered.

The outputs deactivate also when an error

has been detected (see 'Error messaging').

ON/OFF control algorithm

The static characteristic of a relay controlled

by an ON/OFF algorithm is shown on the below

drawing:

Output hold

For eliminating undesirable switches of the relay

output, additional parameter (Hold) is assigned

to hold the output reaction

for certain period of time

Output pulse mode

When a relay is forced to ON by the control

algorithm, it can either stay ON or pulse

depending on Time On and Time Off parameter

values. Setting any of these parameters to '0'

disables the Pulse mode

ANALOG output setting

Features when setting the lower limit, in case the

output range starts from 0 - the value of the cAlL

increases by 1 until the output reading becomes

greater than 1 mA (0,5 mV). It is set up in the

same way through the serial interface.

Input Filtration

Peak filter

This filter is intended for eliminating

pulse spikes (peaks), which can appear

in the input signal, in the following way:

• The device measures the input signal value

every 120 ms (sample time).

• The measured values are compared

subsequently. The filter checks

the difference between the last

two samples. If it does not exceed Gradient

value, the device accepts

the signal as normal.

• If the last measured value differs

from the previous one by more than

the Gradient value, the filter output is held

until the device determines a presence of a

normal signal. It is possible only

if the input signal has not been changed

with more than the Gradient value

for four subsequent samples.

• If the device has not determined

a normal signal for 20 subsequent samples,

noiS appears on the display (see 'Basic

level').

Low-pass filter

This first-order filter acts ONLY within

a certain band around filter output value.

This has been designed to cut periodic noises

outside the communication signal spectrum.

Filter operation is defined by two parameters:

• Filter Time (defines filter time constant)

• Filter Band (defines filter active band

around filter output value).

If the newly measured value differs from the filter

output by more thanFilter Band, the filter resets

with a new initial output value (newly measured

value).

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Additional information for linear transformation

The transformation set in the algorithm of operation of

the controller is performed according to the following

figure:

COMMUNICATION PROTOCOL

Protocol architecture

The protocol is based on UART protocol with:

• Baud Rate - as defined by parameter : Baud Rate.

• Data bits - 8;

• Parity Control - Even;

• Stop bit - 1.

ASCII protocol is used for communicating and the information is

exchanged in frames.

Each frame consists of 1, or 2 words separated by byte 32 (SPACE),

and ends with bytes 13 (CR) and 10 (LF). The first word in the frame

denotes a parameter 'Symbol' as taken from Table 2 and the second

word (if needed) is the parameter 'Value',

both spelled with only small Latin letters, digits, dots, and/or the '-'

sign.

Device activating

To respond to commands, the device should be active.

For a device to be activated, it must receive a Uх command, where 'х'

is the value of the parameter Address or the value '255' (if device

address is unknown),

and respond to it with ok.

If a device does not respond even to U255, check the UART protocol

settings, chiefly Baud Rate value.

Table 2

Parameter Symbol Value

Input Type inp

pt100, pt1000,

ptc1, ptc2,

r.0.1k,

t.c.b, t.c.j,

t.c.k, t.c.r,

t.c.s, t.c.t,

u, u.0.10,

i.0.20, i.4.20

Unit unit c, f

Point Position pnt 0, 1, 2, 3

Input Low i.hi -1999...9999

Input High i.lo -1999...9999

Input Correction i.cor -1999...9999

Address addr 1...254

Baud Rate baud 1200, 2400, 4800, 9600

Gradient grad 0...9999

Filter Time f.t 0...9999

Filter Band f.b 0...M

Input Value p.v *

Error Info error **

Manual control of

analog output manual No, yes

Output setpoint in % Mc 0...100

Low calibrating point Min 0...4095

High calibrating point Max 0...4095

Output state by input

error o.er.i Below, above, both

Output state by sys-

tem error o.er.s Below, above

Output Low o.lo -1999...9999

Output High o.hy -1999...9999

Current value of out-

put o.v 0...9999 sat.lo or sat.high

Input measured point tr.i01….tr.i30 -1999...9999 typ. within

Output transform.

point tr.o01….tr.o30 range (i.lo….i.hi)

Number of transf.

point tr.p.c. 2...30

Methode of transform. Trans Linear, p.l.tr

* Input value (read-only)

numerical value with ISU - measured input value

sat.lo - ADC under range

sat.hi - ADC over range

inp.br - sensor break

break - device failure

noise - noisy measurement

* * Error info

0 - initializes non volatile memory

-1 - error FAiL (read only)

1….29 errors ER01….ER29 (read only)

SPECIFICATION

ACCURACY

Measurement error 0.3% from span

Temperature drift 0.02% from span for 1°C

Cold junction compensation automatic -10...80 °C

RTD line compensation automatic, up to 2 х 25 Ω

POWER SUPPLY

Mains supply voltage 230 VAC or 115 VAC

SMPS voltage 90…250 V

Isolated low voltage 12…24 V or 24 VAC

Non-isolated low voltage 12…24 V

External mains transformer 9(12) VAC

Consumption max. 2 VA

INDICATION AND CONTROLS

Digital display 4 LED indicators

LEDs 5 LEDs for relay output status

Keyboard 3 membrane keys

OPERATING CONDITIONS

Panel mount IP54

Wall mount IP65

Ambient temperature -10...65 °C

Ambient humidity 0...85 %RH

t.r.oN

t.r.oN-

t.r.o01

t.r.o02

t.r.o03

t.r t.r t.r t.r t.r

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WIRING

Input signal wiring

Connect the input with regard to its type

through the respective and depending on the case

type (see 'Specifications') terminals on the device

back.

3-wire current transmitters can be supplied from

Vaux. Voltage transmitters must be supplied exter-

nally!

Output wiring

Connect the outputs with regard to their types

(see 'Specifications') via the respective terminals.

RS485 wiring Connect the unit

to RS485 network line

via the respective terminals (connector).

Power supply wiring

Connect the right power supply voltage

for your device (see 'Specifications').

Important notes:

• Strictly observe the requirements for RS485

network building!

• With DC power supply, the polarity does not

matter.

• In case of 90...250 VAC/DC power supply,

grounding the device via separate wire

is mandatory for covering safety standards

INPUT SETTING

• Open the case.

• Follow the below diagrams to find the

configuration jumpers J1 and J2, located on

the main board (cases 'B', 'H', 'V', 'L', 'R1' and

'R1') or on the outer side of the right board

(for cases 'Q' and 'S' not for this model with 5

relay outputs).

• To set input 0...10 V, short out J2.

• To set any of the other possible input types,

short out J1. connect the input with regard to

its type through the respective and depending

on the case type (see 'Specifications')

terminals on the device back.

IOM-DMCU800 Rev. A: Oct 2022

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Model Code

MOUNTING

Panel mounting

• Place THE Device into an appropriate panel

cut-out.

• Tighten it into place using

the enclosed mounting bracket(s).

Wall mount

• Select an installation site offering space

enough to open the window of the enclosure

• The will mount enclosure has 3 fixing holes

available accessible from inside the

enclosure.

• Open the window and unscrew the 4 screw

fixing the support panel of the display and

remove the cover of the lower section of the

enclosure with the cable glands holes

• The 3 fixing holes are shown below :

WASTE DISPOSAL

Do not dispose of electronic devices

together with household waste

material!

If disposed of within European Union, this

product should be treated and recycled in

accordance with the laws of your jurisdiction

implementing the WEEE Directive 2002/96

on the Waste Electrical and Electronic

Equipment.

Control Unit Family

Mounting

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Supply Voltage

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delta-mobrey DMCU800 Guía

Manuales populares de Controladores de otras marcas