EC2-391 Display Case and Coldroom Controller

Operating Instructions

GB

List of Parameters

/

DISPLAY PARAMETERS

 

 

Min

 

Max

Unit

 

Def.

Custom

/1

Value to show

 

 

 

0

 

9

-

 

0

 

 

 

0

= Thermostat control temperature with Temp. alignment °C

 

 

 

 

1

= Air-in temperature °C

 

 

 

 

 

 

 

 

 

 

 

2

= Air-out temperature °C

 

 

 

 

 

 

 

 

 

 

 

3

= Alarm temperature °C

 

 

 

 

 

 

 

 

 

 

 

4

= Defrost termination temperature °C

 

 

 

 

 

 

 

 

5

= Coil-in temperature °C

 

 

 

 

 

 

 

 

 

 

 

6

= Coil-out temperature °C

 

 

 

 

 

 

 

 

 

 

 

7

= Calculated superheat °K

 

 

 

 

 

 

 

 

 

 

 

8

= Valve opening in %

 

 

 

 

 

 

 

 

 

 

 

9

= Displays defrost status

 

 

 

 

 

 

 

 

 

 

/2

Alarm suppression

0 = off, 1 = on

 

 

0

 

1

-

 

0

 

 

/5

Temperature Unit

0 = °C, 1 = °F

 

 

0

 

1

-

 

0

 

 

/6

Decimal point

0 = yes, 1 = no

 

 

0

 

1

-

 

0

 

 

/7

Display during defrost

 

 

0

 

2

-

 

0

 

 

 

0

= dF (= defrost mode); 1 = dF +

defrost termination temp.

 

 

 

 

 

2 = dF + control temperature

 

 

 

/C

Temperature alignment for /1=0

 

 

-20

 

20

K / °F

 

0.0

 

 

A

ALARM-PARAMETERS

 

 

 

 

 

 

 

 

 

 

A0

Mean factor alarm temperature

 

 

0

 

100

%

 

100

 

 

A1

Low temp alarm delay

 

 

0

 

180

min

 

5

 

 

A2

High temp alarm delay

 

 

0

 

180

min

 

5

 

 

A3

Alarm delay after defrost

 

 

0

 

180

min

 

10

 

 

AH

High temp alarm limit

 

 

 

AL

 

70

°C / K

 

40

 

 

AL

Low temp alarm limit

 

 

 

-55

 

AH

°C / K

 

-50

 

 

At

Alarm limit type

 

 

 

0

 

1

-

 

0

 

 

 

0=absolute temperatures °C; 1= relative

temperatures K to setpoint

 

 

r

THERMOSTAT-PARAMETERS

 

 

 

 

 

 

 

 

 

 

r1

Min setpoint

 

 

 

-50

 

r2

°C

 

-50

 

 

r2

Setpoint max

 

 

 

r1

 

60

°C

 

40

 

 

r3

Day/night control

0 = off, 1 = on

 

 

0

 

1

-

 

1

 

 

r4

Thermostat mode

 

 

 

0

 

4

-

 

1

 

 

 

0

= off, no thermostat function, continues cooling air in sensor monitoring

 

 

 

off, no temp. alarms generated

 

 

 

 

 

 

 

 

 

 

 

1

= cooling, deadband control:

cut in

= set-point + difference

 

 

 

 

 

cut out = set-point

 

 

 

 

2

= cooling, modulating thermostat: cut in

= set-point

 

 

 

 

 

 

 

cut out = set-point – difference /2

 

 

3

= heating, deadband control:

cut in

= set-point – difference

 

 

 

 

 

cut out = set-point

 

 

 

 

4

= on, external control using nvi Valve via SNMP. Air in and air out sensor

 

 

 

monitoring off. Temp. alarms will be generated

 

 

 

 

 

r6

Setpoint night

 

 

 

r1

 

r2

°C

 

4.0

 

 

r7

Differential night

 

 

 

0.1

 

20.0

K

 

2.0

 

 

r8

Mean factor, day operation

 

 

0

 

100

%

 

100

 

 

r9

Mean factor, night operation

 

 

0

 

100

%

 

50

 

 

rd

Differential day

 

 

 

0.1

 

20.0

K

 

2.0

 

 

St

Setpoint day

 

 

 

r1

 

r2

°C

 

2.0

 

 

d

DEFROST PARAMETERS

 

 

 

 

 

 

 

 

 

 

d0

Defrost mode

 

 

 

0

 

2

-

 

1

 

 

 

0

= natural defrost, defrost heater not

activated

 

 

 

 

 

 

 

 

pulsed defrost not possible

 

 

 

 

 

 

 

 

 

 

 

1

= forced defrost, defrost heater activated, pulsed

 

 

 

 

 

 

 

defrost possible

 

 

 

 

 

 

 

 

 

 

 

 

2

= forced defrost, defrost heater activated, pulsed defrost possible,

 

 

 

defrost termination using nviStartUp via SNMP

 

 

 

 

 

d1

Termination by:

 

 

 

0

 

3

-

 

0

 

 

 

0

= termination by temperature,

 

 

 

 

 

 

 

 

 

 

 

 

termination by time will generate an alarm

 

 

 

 

 

 

1

= termination by time,

 

 

 

 

 

 

 

 

 

 

 

 

termination by temperature will generate an alarm

 

 

 

 

2

= first, what ever comes first time or temperature, no alarm

 

 

 

 

3

= last, by time and temperature, no alarm

 

 

 

 

 

 

 

d2

Defrost termination sensor

 

 

0

 

1

-

 

1

 

 

 

0

= Dedicated defrost sensor must be

installed

 

 

 

 

 

 

 

1

= Air-out sensor used for defrost termination

 

 

 

 

 

d3

Pulsed defrost

 

 

 

0

 

1

-

 

0

 

 

 

0 = off, no pulsed defrost, heaters switched off at defrost termination

 

 

 

 

temperature dt or max. time dP whatever is selected

 

 

 

 

1 = on, pulsed defrost, dd and dH in use, heaters are switched off at

 

 

 

dH and switched on again at dH – dd

 

 

 

 

 

 

 

d4

Defrost at startup

0 = no, 1 = yes

 

0

 

1

-

 

0

 

 

d5

Delay power up defrost

 

 

0

 

180

min

 

0

 

 

EC2-391_65136_EN_R01.doc

 

Replacement for 00

 

 

 

 

 

 

 

 

 

Min

Max

 

Unit

 

Def.

Custom

d6

Pump down delay

 

 

0

180

 

sec

 

0

 

 

 

 

 

 

Compressor will run during pump down

delay

while

valve is

closed

 

 

 

 

 

d7

Drain delay

 

 

 

0

15

 

min

 

2

 

 

 

 

 

d8

Injection delay

 

 

0

180

 

sec

 

0

 

 

 

 

 

 

Valve is open during injection delay while compressor is not running

 

 

 

 

 

d9

Demand defrost mode

 

 

0

2

 

-

 

0

 

 

 

 

 

 

0

= off, 1 = on, 2 = on together with

 

 

 

 

 

 

 

 

 

 

 

 

timed defrost

 

 

 

 

 

 

 

 

 

 

 

 

 

dd

Pulsed defrost differential

1

20

 

K

 

2

 

 

 

 

 

dH

Pulsed defrost setpoint

 

-40

dt

 

°C

 

5

 

 

 

 

 

dt

Defrost termination temperature

-40

90

 

°C

 

8

 

 

 

 

 

dP

Max defrost duration

 

 

0

180

 

min

 

30

 

 

 

 

 

dI

Defrost interval

 

 

0

192

 

h

 

8

 

 

 

 

 

du

Start up delay after synch

0

180

 

min

 

30

 

 

 

 

 

F

FAN-PARAMETERS

 

 

 

 

 

 

 

 

 

 

 

 

F1

Fan startup by:

0 = on

0

4

 

-

 

0

 

 

 

 

 

 

1

= delayed by time Fd, error on temperature

 

 

 

 

 

 

 

 

 

 

 

2

= by temperature Ft, error on time

 

 

 

 

 

 

 

 

 

 

 

 

3

= first, whatever comes first time or temperature, no alarm

 

 

 

 

 

 

 

4

= last, time and temperature must come, no alarm

 

 

 

 

 

 

 

 

F2

During no cooling

 

 

0

3

 

-

 

0

 

 

 

 

 

 

0

= on; 1 = off; 2 = delayed by F4; 3 =

off, when door open

 

 

 

 

 

 

F3

During defrost

0 = on, 1 = off

0

1

 

-

 

0

 

 

 

 

 

F4

Stop delay time

 

 

0

30

 

min

 

0

 

 

 

 

 

F5

During cleaning

0 = off, 1 = on

0

1

 

-

 

0

 

 

 

 

 

Fd

Fan delay after defrost

 

0

30

 

min

 

0

 

 

 

 

 

Ft

On temp after defrost

 

 

-40

40

 

°C

 

0

 

 

 

 

 

u

SUPERHEAT PARAMETERS

 

 

 

 

 

 

 

 

 

 

 

u0

Refrigerant

0 = R22

 

1 = R134a

0

7

 

-

 

3

 

 

 

 

 

 

2

= R507 3 = R404A

4 = R407C

 

 

 

 

 

 

 

 

 

 

 

 

5

= R410A

6 = R124

 

7 = R744A

 

 

 

 

 

 

 

 

 

 

 

u1

Correction glide / dp

 

 

-20.0

20.0

 

K

 

0.0

 

 

 

 

 

 

Glide

= positive

values

 

 

 

 

 

 

 

 

 

 

 

 

Pressure drop = negative values

 

 

 

 

 

 

 

 

 

 

 

u2

MOP control

 

 

0

1

 

-

 

0

 

 

 

 

 

 

0

= MOP off, 1 = MOP on

 

 

 

 

 

 

 

 

 

 

 

u3

MOP temperature

 

 

-40

40

 

°C

 

0

 

 

 

 

 

u4

Superheat mode

0 = off

0

2

 

-

 

1

 

 

 

 

 

 

1

= fixed superheat

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

= adaptive superheat

 

 

 

 

 

 

 

 

 

 

 

 

u5

Superheat init setpoint

 

 

u6

u7

 

K

 

6

 

 

 

 

 

u6

Superheat setpoint min.

 

3

u7

 

K

 

3

 

 

 

 

 

u7

Superheat setpoint max.

 

u6

20

 

K

 

15

 

 

 

 

 

uu

Start opening

 

 

25

75

 

%

 

30

 

 

 

 

 

 

DIGITAL INPUT PARAMETERS

 

 

 

 

 

 

 

 

 

 

 

i0

S5 input

1 = inverse function

0

1

 

-

 

0

 

 

 

 

 

∩0

Functions for S5 0 = normal input

0

8

 

-

 

0

 

 

 

 

 

 

1

= cleaning

 

 

5 = day / night switch

 

 

 

 

 

 

 

2

= only fan

 

 

6 = compressor safety chain

 

 

 

 

 

 

 

3

= door contact

 

7 = defrost request

 

 

 

 

 

 

 

 

 

4

= permanent cooling

8 = defrost inhibited

 

 

 

 

 

 

 

 

 

DIGITAL OUTPUT PARAMETERS

 

 

 

 

 

 

 

 

 

 

 

o0

Output

1 = inverse function

0

1

 

-

 

0

 

 

 

 

 

n0

Functions for output

1 = alarm

0

1

 

-

 

0

 

 

 

 

 

H

OTHER PARAMETERS

 

 

 

 

 

 

 

 

 

 

 

H2

Display access

 

 

0

4

 

-

 

3

 

 

 

 

 

 

0

= all disabled (Caution: access to controller only via LON

 

 

 

 

 

 

 

 

network possible)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

= Keyboard enabled

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

= IR remote control enabled

 

 

 

 

 

 

 

 

 

 

 

 

3

= Keyboard and IR remote control; Temporary data display and

 

 

 

manual defrost enabled.

 

 

 

 

 

 

 

 

 

 

 

 

4

= Keyboard and IR remote control; Temporary data display

 

 

 

 

 

 

 

 

disabled. Control setpoint with SEL key and manual defrost

 

 

 

enabled.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H3

IR access code

 

 

0

199

 

-

 

0

 

 

 

 

 

H5

Password

 

 

 

0

199

 

-

 

12

 

 

 

 

 

3 / 4

PCN: 865 022

21.09.2007

Page 3
Image 3
Emerson EC2-391 user manual List of Parameters, Min Max Unit Def

EC2-391 specifications

The Emerson EC2-391 is a sophisticated and versatile control solution designed to meet the demands of modern automation and process control environments. Boasting a robust architecture, this controller is suitable for various industrial applications, including manufacturing, petrochemicals, and utilities.

One of the main features of the Emerson EC2-391 is its modular design, allowing for easy scalability and flexibility. Users can configure the system according to their specific needs by adding or removing modules. This modularity accommodates a wide range of I/O options, ensuring compatibility with diverse field devices and integration into existing systems.

Another significant characteristic is the controller's high processing power. The EC2-391 utilizes advanced processing technology that enables real-time data handling and fast decision-making. This performance is crucial for systems requiring rapid response times, such as safety-critical operations and complex process environments.

The EC2-391 is equipped with sophisticated communication protocols, such as Modbus, EtherNet/IP, and others, ensuring seamless integration with various networks and devices. This makes it easier to establish connectivity within industrial ecosystems, facilitating data exchange between different systems and improving overall operational efficiency.

In addition to strong communication capabilities, the Emerson EC2-391 features advanced diagnostic functions. These functionalities allow for continuous monitoring of system performance, identifying potential issues before they escalate into failures. Operators benefit from enhanced visibility into their processes, enabling proactive maintenance strategies and reducing downtime.

Another noteworthy technology in the EC2-391 is its user-friendly interface. The controller supports intuitive setup and configuration, which simplifies the deployment process. The interface provides easy access to system parameters, trends, and alerts, aiding operators in effective management and optimization of processes.

Security is a critical focus in modern industrial control systems, and the Emerson EC2-391 incorporates various security features. These include user authentication, encrypted communication, and access control measures that safeguard against unauthorized access and cyber threats.

In summary, the Emerson EC2-391 is an advanced control solution characterized by modularity, high processing power, robust communication capabilities, advanced diagnostics, user-friendly interface, and strong security features. Its ability to adapt to various industrial applications makes it a formidable choice for companies seeking to enhance their automation strategies and improve operational efficiency.