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EC3-33x Coldroom Controller with EX5

User Manual

EC3-33x

A.6.5.063E - Rev 4

19

Emerson Electric GmbH & Co  -  ALCO CONTROLS  -  Heerstr. 111  -  D-71332 Waiblingen  -  Germany - Tel.: ..49 (0) 7151 509 0 - Fax: 49 (0) 7151 509 200

Display Object

The display object controls the display and the presentation of data. If the object is disabled no data will be shown on the display and
no network variable update will be performed. If the object is in override, the display will show special messages like wink message or
offline status of node.

Network Variables

Variable Type

Name

Type

Meaning

SNVT_lev_disc

nvoAlarmState

O

ST_ON if alarm, else ST_OFF

UNVT_DISPLAY

nciDispCnfg

C

Configuration parameters

Configuration Parameters

Display

UNVT_DISPLAY 

Code

Description

Variable type

Name

Unit

Min

Max

Default

Res.

IR

Kb Lon

0

H2

Enable IR and keypad

unsigned short

IrKb

 

0

3

3

y

y

y

*1

1

H3

IR access code

unsigned short

IRCode

 

0

199

0

y

y

y

 

2

H5

Password

unsigned short

PassWord  

0

199

12

 

y

y

y

3

 /1

Value to be shown

unsigned short

Data

0

11

0

y

y

y

*2

4

 /2

Display no alarms 

unsigned short

NoAlarms

 

0

1

0

y

y

y

*3

5

 /5

Temperature unit for display

unsigned short

TempUnit

 

0

1

0

y

y

y

*4

6

 /6

Temperature display with decimal point

unsigned short

TempPoint

 

0

1

0

y

y

y

*5

7

 /7

Display during defrost

unsigned short

Defrost

 

0

2

0

y

y

y

*6

8

 /C

Alignment number for temp. display

signed long

Alignment

K

-20

20

0

0.1

y

y

y

Total 10 bytes

*1

0 = Keyboard and IR disabled
1 = only keyboard enabled
2 = only IR enabled
3 = Keyboard and IR enabled

*2

0 = Control Temp
1 = Sensor 1
2 = Sensor 2
3 = Sensor 3
4 = Sensor 4
5 = Sensor 5
6 = Sensor 6
7 = Superheat
8 = Valve Opening
9 = Defrost Status
10 = Digital input #1
11 = Digital input #2

*3

0 = off, 1 = on

*4

0 = °C, 1 = °F

*5

0 = decimal point, 1 = no decimal point

*6

0 = "def", 1 = "def" + def. Temp, 2 = "def" + air temp

Alarm Messages

The display object will not generate alarm messages

Summary of Contents for EC3-33x

Page 1: ...EC3 33x User Manual Rev 4 14 01 2003...

Page 2: ...ill return to the by 1 selected data NEURON ID SERVICE BUTTON Display Press the button for app 1 second to send the Neuron ID An LED in the left upper corner will indicate the transmission of the Neur...

Page 3: ...1 flag 1 d3 Pulsed defrost 0 1 flag 0 d4 Defrost at power up 0 1 flag 0 d5 Delay for power up defrost 0 180 min 0 d6 Pump down delay 0 180 sec 0 d7 Drain delay 0 180 min 2 d8 Injection delay 0 180 se...

Page 4: ...in and air out sensor monitoring off temp alarms will be generated A0 Mean factor alarm temperature r8 Mean factor day operation r9 Mean factor night operation Temperature calculation by the followin...

Page 5: ...eaning 0 off 1 on u0 Refrigerant 0 R22 1 R134a 2 R507 3 R404A 4 R407C u1 Correction Glide positive Values Pressure drop negative Values u2 MOP Control 0 off 1 on u4 Control Mode 0 off 1 fixed superhea...

Page 6: ...n failure by time or temperature Ft Fan start up failure by time or temperature Ab external battery alarm external battery indicates an alarm MESSAGES No data The display will show an at node start up...

Page 7: ...ressor failure Door contact Switch 1 Switch 2 oil in oil out Air in temp Air out temp Defrost termination temp Temp 6 Switch 24V AC DC or 230V AC Sensor NTC 10K at 25 C Pressure Sensor PT3 07 4 20 mA...

Page 8: ...BL BK WH Battery Fail 24V AC Fan DI 1 8 24V AC DC or 230V AC DI 9 12 24V AC DC only DO 250V max 8A 2A Comp Heater Alarm Relay Door Comp safety Di3 Di4 Do1 1 C 2 Do2 1 C 2 Do3 1 C 2 Do4 1 C 2 LON A B...

Page 9: ...sensors is between 9 and 3 o clock as shown on the picture The air sensors must be mounted on spacers in the middle of the air duct so that the air flow around The recommended positions in detail 1 S1...

Page 10: ...nding on cable type Transfer rate 39 kbits s FTT10 Structure free topology Termination RC Network Medium Twisted pair 2 wires Connection 11 12 Data 13 free Nodes Segment 64 Units Cable length max 2700...

Page 11: ...0 7151 509 0 Fax 49 0 7151 509 200 NODE OBJECTS The EC3 33x coldroom controller has 11 LonMark Objects EC3 33x Node Object Compressor Object 20004 Display Object 20006 Analog Sensor Object 20008 Evapo...

Page 12: ...all objects in the node to normal operation RQ_DISABLED This requested object is disabled output network variable of the object will not longer be updated The object will not reacted on input network...

Page 13: ...ostat object SNVT_temp_p nvoAlarmAirTemp O Alarm temperature used by thermostat object SNVT_temp_p nvoAirOutTemp O Air out sensor temperature SNVT_temp_p nvoAirInTemp O Air in sensor temperature SNVT_...

Page 14: ...on unsigned short MeanNight 0 100 50 y y y 5 17 rd Difference day operation unsigned short DiffDay K 0 1 20 2 0 1 y y y Diff between cut in cut out 18 St Setpoint day operation signed long SpDay C r1...

Page 15: ...oDefrTemp O Currently used defrost termination temperature SNVT_lev_disc nvoHeater O Status of the defrost heater SNVT_lev_disc nviStartUp I Input to terminate a synchronized defrost ST_ON will start...

Page 16: ...14 dI Def r ost t i m ei nt er val unsi gnedshor t I nt er val Ti m e h 0 192 8 y y y Ti m e i nt er v al bet ween t w odef r ost cycl es 15 dU St ar t up del ay unsi gnedshor t St ar t UpDl y m i n...

Page 17: ...l control 8 1 Termination error Configuration Parameters Fan UNVT_FAN Code Description Variable type Name Unit Min Max Default Res IR Kb Lon 0 F1 Fan startup sequence after defrost unsigned short Star...

Page 18: ...ct SNVT_lev_disc nviCompSafety Failure input for compressor safety ST_ON compressor off and locked UNVT_COMP nciCompCnfg C Configuration parameters of the fan object The network variable nvoCompStatus...

Page 19: ...pad unsigned short IrKb 0 3 3 y y y 1 1 H3 IR access code unsigned short IRCode 0 199 0 y y y 2 H5 Password unsigned short PassWord 0 199 12 y y y 3 1 Value to be shown unsigned short Data 0 11 0 y y...

Page 20: ...ircuit E2 6 Air out sensor open E3 7 Air out sensor short circuit E3 8 Defrost termination sensor open E4 9 Defrost termination sensor short circuit E4 10 Temperature 6 sensor open E5 11 Temperature 6...

Page 21: ...perheat object SNVT_temp_p nvoEvapOutTemp O Currently used coil out temperature of the superheat object SNVT_switch nviForcedValve I Manual control of the valve output SNVT_temp_p nvoSuperheatRef O Cu...

Page 22: ...n n y 5 9 uu Start up opening unsigned short Opening 50 100 100 y y y 10 ut Valve type unsigned short ValveType 0 3 0 y y y 7 11 Data source unsigned short Sensor 0 31 0 n n y 6 Total 13 bytes 1 0 R2...

Page 23: ...trols the relays and the TRIAC If the object is disabled the object will not react on any network variable update and the digital outputs will stay unchanged Network Variables Variable Type Name Type...

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