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MC2-FC mode FC 

Document no.:200064 

Version: 1.5 

 

 

 

 

    

 

Page 27 of 44 

Nr 

Description 

Range 

Unit 

Default 

Relay assignment

5

 

P 951 

Function solenoid valve to relay 

0 = No relay assigned 

1 = Ry1 on controller 
2 = Ry2 on controller 

3 = Ry3 on controller 
4 = Ry4 on controller 

5 = Ry5 on controller 

6 = Ry1 on extension module 
7 = Ry2 on extension module 

8 = Ry3 on extension module 

9 = Ry4 on extension module 
10 = Ry5 on extension module 

11 = Ry6 on extension module 
12 = Ry7 on extension module 

13 = Ry8 on extension module 

14 = Ry9 on extension module 
15 = Ry10 on extension module 

16 = Ry11 on extension module 

17 = Ry12 on extension module 

0..17 

- 

0 

P 952 

Function suction valve to relay 

0..17 

- 

0 

P 953 

Function off-cycle defrost to relay 

0..17 

- 

0 

P 954 

Function electrical defrost evaporator 1 to relay 

0..17 

- 

0 

P 955 

Function hotgas defrost evaporator 1 to relay 

0..17 

- 

0 

P 956 

Function cooling ventilation to relay 

0..17 

- 

0 

P 957 

Function automatic ventilation to relay 

0..17 

- 

0 

P 958 

Function heating to relay 

0..17 

- 

0 

P 959 

Function alarm to relay 

0..17 

- 

1 

P 960 

Function electrical defrost evaporator 2 to relay 

0..17 

- 

0 

P 961 

Function hotgas defrost evaporator 2 to relay  

0..17 

- 

0 

P 962 

Function pressure equalisation to relay 

(relay is activated P526 seconds  before the first cooling action 

after a hotgas defrost; relay deactivates when hotgas defrosting 
is requested) 

0..17 

- 

0 

P 963 

Function collect hotgas defrost to relay 

(relay is activated if hotgas defrost evaporator 1 or hotgas 
defrost evaporator 2 is active) 

0..17 

- 

0 

P 964 

Function humidify to relay 

0..17 

- 

0 

Software / productie 
P 991 

Software version number 

- 

- 

- 

P 992 

Serial number 

- 

- 

- 

P 993 

Production date 

- 

year.week  - 

 

 

 

                                                           

5

 Multiple functions can be assigned to the same relay – for example, cooling ventilation (P956) and automatic ventilation 

(P957) on the same relay. 

Summary of Contents for MC2-FC

Page 1: ...cription MC2 FC mode FC software 181030 v3 00 Pages 44 Doc no 190236 Type Manual By BVDB Version 1 5 File Do200064 MC2 FC mode FC V15 EN docx Initials Date 28 02 2020 VDH Products BV Manual MC2 FC mode FC ...

Page 2: ... 9 Day night mode 9 1 10 Set point link 9 1 11 Blocking 9 1 12 Alarms 9 1 13 Counters 9 1 14 Sensor offsets 10 2 Control 11 2 1 Cell name 11 2 2 Touchscreen 12 2 2 1 Power up page 14 2 2 2 Cell page 1 14 2 2 3 Cell page 2 15 2 2 4 Status page 1 and 2 15 2 2 5 Status page 3 16 2 2 6 Settings page 1 16 2 2 7 Settings page 2 17 2 2 8 Parameter page 17 2 2 9 Access code page 18 2 2 10 Temperature set ...

Page 3: ...5 3 Define name 32 5 4 Displaying status inputs and outputs 33 5 5 Parameter web page 34 6 Connections 35 6 1 Controller 35 6 1 1 Wall mount version 36 6 1 2 Panel mount version 37 6 2 RS485 connections 38 6 3 Extension module 907 100054 MC3 EM 1Do12 1Rth16 39 7 Dimensions 41 7 1 Controller wall mount version 41 7 2 Controller panel mount version 42 7 3 Extension module 907 100054 MC3 EM 1Do12 1Rt...

Page 4: ...egrated control system with mutually coordinated control actions while retaining their autonomous operation in the event of network malfunctions The controller supports two modes the mode FC standard and the mode MC In the mode FC the controller functions in the same way as the FC785 PC controllers The controller can work together with FC785 PC controllers and other MC2 FC controllers through the ...

Page 5: ...11 P116 and P951 P964 If the controller must work together with other controllers the controllers must be linked to each other through the RS485 network Then a network number P801 must be defined on every controller The other parameters must be checked defined The software version number of the controller can be retrieved using parameter P991 To ensure that multiple controllers can work together i...

Page 6: ... if this is permitted by the maximum number of cooling cells in store phase P308 The sequence in which the cells in the cycle start cooling is determined by the network number This uses asequence of ascending network number but the network number with which a cycle starts rotates every cycle The first cycle starts for example with cell number 1 the second cycle with cell number 2 and so on When a ...

Page 7: ...ic defrost the ventilation can be released on the basis of the time and or the temperature P521 P529 P530 If there are multiple evaporators the evaporators are defrosted one after the other Hotgas defrost This defrost method requires one or more other cells in the same sub network that cool to supply hotgas The number of cooling cells required for hotgas defrosting can be configured P524 When a ce...

Page 8: ...ification Dehumidification is performed by cooling when thetemperature is above the temperature set point and heating at the same time Here it is assumed that the cooling has a larger capacity than the heating In this way the temperature set point is ultimately reached The dehumidification can be manually started continuously or with a run off timer with a parameter P382 An automatic start on the ...

Page 9: ...justable temperature alarms Using parameters P601 P618 it can be defined for each phase how the alarms must function absolutely and or relatively compared to the current set point with which alarm delay and with which actions Using a digital input an external alarm can be sent to the controller 1 13 Counters The controller has the following free running counters These counters can be read and manu...

Page 10: ...r offset parameter for every sensor P200 P216 It can be used to correct the indication by the inaccuracy of the sensor and partly the measurement circuit of the controller If the controller indicates too much for a temperature sensor for example 2 C the offset parameter of that sensor must be lowered by 2 K ...

Page 11: ...ouchscreen are described using screenshots If a function of the controller is not used not defined the relevant indications and buttons are not displayed on the pages For example If no heating has been configured no heating indication is displayed 2 1 Cell name The cell name that is displayed on the cell pages can be entered on an internal web page When no name is entered the standard name Cell x ...

Page 12: ...and heating at the same time or cell is waiting for conditions in order to dehumidify Blocking enabled blocking contact time control delay or door open Automatic cooling ventilation mode enabled Change cooling ventilation mode Continuous cooling ventilation mode enabled Change cooling ventilation mode Ventilation functions enabled Green Controller switched on Grey Controller switched off Switch th...

Page 13: ...age 13 of 44 Symbol Meaning Button function Go to previous page Increase setting To next page Decrease setting Go to previous page Go to previous parameter group Go to next parameter group Go to Status pages Go to Settings pages Go to Parameter page ...

Page 14: ... is in dark blue Cool light blue Store green Standby The status of the cell is displayed using symbols The yellow area displays the current control temperature The green area displays theday set point on the left and thenight set point on the right The text of an active set point is written in blue In the grey area the mean product temperature and the lowest defrost temperatures of evaporators 1 a...

Page 15: ...ol temperature displays cell page 1 On cell page 1 the set points counters and other temperatures can be viewed and adapted 2 2 4 Status page 1 and 2 These pages are displayed when you press the Status button on a cell page The current status is displayed on multiple pages You can use the arrow keys to browse through the pages Status page 1 displays the current measurement and function of temperat...

Page 16: ...r of controllers in the sub network and thetime remaining untilthe start of the next store cycle In a sub network the controller with the lowest network number P801 is the master That controller determines the timing of the cooling and defrost actions on the basis of parameters P307 P308 P522 P523 P524 P804 2 2 6 Settings page 1 This page is displayed when you pressthe Settings key on a cellpage Y...

Page 17: ... and adjusted using the arrow keys The left and right arrow keys can be used to quickly switch between the parameter groups The values number or parameter value can also be entered numerically To do this you must click the appropriate field A blue border is then displayed around the field You can use the Del button and the number keys to change the value Press the OK button to confirm the input In...

Page 18: ...ton to finish 2 2 10 Temperature set point page This page is displayed when the control temperature is pressed on cell page 1 You can use the arrow to adjust the temperature set points and differential The values can also be entered numerically To do this you must click the appropriate field A blue border is then displayed around the field You can use the Del button and the number keys to change t...

Page 19: ...s Cooling time Ventilation time Cooling ventilation or Automatic ventilation active Humidification time You can use the arrow keys to go to the other counter pages 2 2 12 Day counters 2 page This page displays the following day counters from the last 7 days from left to right Ventilation time Cooling ventilation or Automatic ventilation active Cooling ventilation time function Cooling ventilation ...

Page 20: ...ouchscreen On a cell page the alarm is displayed as a blinking alarm button The alarmpages aredisplayed when you press theAlarmbutton on a cellpage The alarmpages show a list of the 100 most recent alarms You can use the arrow keys to browse through the pages The OK button blinks red if there is an unconfirmed alarm and is continuously red if there are confirmed alarms for which the cause has not ...

Page 21: ...st sensor evaporator 1 4 Defrost sensor evaporator 2 5 Alarm contact all control off2 6 Door contact cooling and ventilation off during maximum door contact time P902 3 7 Blocking contact all control off4 0 7 1 P 102 Function temperature sensor 2 0 7 2 P 103 Function temperature sensor 3 0 7 3 P 104 Function temperature sensor 4 0 7 0 P 105 Function temperature sensor 5 0 7 0 Sensors connected on ...

Page 22: ...10 0 10 0 K 0 0 Cooling P 301 Minimum cooling time 0 99 min 1 P 302 Minimum time between two cooling actions 0 99 min 0 P 303 Maximum cooling time in store phase 99 min 30 P 304 Pumpdown time after cooling action 0 999 s 0 P 305 Maximum cooling temperature under the set point after which the cooling is forced to switch off provided the minimum cooling time has elapsed 0 10 0 K 0 5 P 306 Maximum te...

Page 23: ...395 P396 in s 0 1 0 P 398 Humidify during cooling allowed 0 No 1 Yes 0 1 1 Ventilation P 401 Ventilation time after cooling action relay function cooling ventilation time starts after pumpdown closing suction valve 0 99 min 0 P 402 Automatic ventilation timing 0 No automatic ventilation 1 Automatic ventilation on real time clock 2 Automatic ventilation on pulse pause time 3 Automatic ventilation o...

Page 24: ... 40 0 C 0 0 P 518 Maximum defrost time per evaporator 0 99 min 10 P 519 End defrost temperature for electric hotgas defrosting 10 0 40 0 C 0 0 P 520 Dripoff time time starts after closing hotgas valve stop electric defrosting of the last evaporator 0 99 min 0 P 521 Ventilation on delay after defrosting relay functions cooling ventilation time start after pumpdown time if negative the ventilation f...

Page 25: ... minimum alarm 0 Only report using alarm relay 1 Report using alarm relay and all control off 0 1 0 P 618 Action at maximum alarm 0 Only report using alarm relay 1 Report using alarm relay and all control off 0 1 0 Blocking P 701 Blocking Monday to Friday start time 1 24 00 Not active 00 00 24 00 hour min 24 00 P 702 Blocking Monday to Friday stop time 1 24 00 Not active 00 00 24 00 hour min 24 00...

Page 26: ...e sub network with network number 0 Not linked 0 31 0 P 806 Cool group number 0 Not active Controllers in cool phase with the same cool group numbers in the same sub network will start cooling at the same time 0 31 0 P 807 Sub network number Only controllers with the same sub network number work together in a network multiple masters on the same network can be realised in this way 0 31 0 Other P 9...

Page 27: ...ion hotgas defrost evaporator 1 to relay 0 17 0 P 956 Function cooling ventilation to relay 0 17 0 P 957 Function automatic ventilation to relay 0 17 0 P 958 Function heating to relay 0 17 0 P 959 Function alarm to relay 0 17 1 P 960 Function electrical defrost evaporator 2 to relay 0 17 0 P 961 Function hotgas defrost evaporator 2 to relay 0 17 0 P 962 Function pressure equalisation to relay rela...

Page 28: ...re sensor 10 error E11 T_sensor_1 error Temperature sensor 11 error E12 T_sensor_1 error Temperature sensor 12 error E13 T_sensor_1 error Temperature sensor 13 error E14 T_sensor_1 error Temperature sensor 14 error E15 T_sensor_1 error Temperature sensor 15 error E16 T_sensor_1 error Temperature sensor 16 error r lo Rel min T_alarm Relative minimum temperature alarm r hi Rel max T_alarm Relative m...

Page 29: ...e IP address can be changed using VDH IP configurator VDH_Conf which is available on the VDH website www vdhproducts nl This program can search for connected MC2 and MC3 controllers The MAC address can be used to find the MC2 controller Start the program and select the relevant Ethernet interface Press Scan to search for the available MC2 and MC3 controllers All MC2 and MC3 controllers that are fo...

Page 30: ... to change the network settings of the selected controller Use a web browser to connect to the controller by entering http ip address config in the address bar of the browser The following webpage is displayed All access to these pages is password protected to avoid accidental changes You must log on with the user name user and the corresponding password ...

Page 31: ... specified above the controller can operate in 2 modes mode FC and mode MC The current mode is displayed at the top of the internal web pages When you select Controller config Mode config a web page is displayed on which the mode can be changed This manual describes only mode FC ...

Page 32: ...config a web page is displayed on which the name of the cell can be defined The name you defined is displayed after you restart the touchscreen Enter thename after Name and pressSubmit to save the name Then pressRestart the application to restart the controller This button is located under Other Restart application ...

Page 33: ... outputs on the controller itself The circuit boards displayed underneath Temperature board 2 and Relay board 2 are the inputs and outputs of the optional extension module 907 100054 MC3 EM 1Do12 1Rth16 The measured temperatures are displayed in degrees Celsius without calculating of the offsets P201 216 Open digital inputs temperature inputs with function 5 6 or 7 are displayed as 327 68 or 327 6...

Page 34: ...thernet Use a web browser to connect to the controller by entering http ip address params on the browser address bar Then log in with username user and associated password A web page opens in which you can view and change the parameters Note The displayed parameter values are a snapshot of the moment the page was retrieved To view the current parameters of the web page refresh the page This can be...

Page 35: ...9 Pt1000 temperature sensor input 5 Input 10 RS485_LAN 12V RS485 LAN connection with power supply for an optional extension module 907 100054 MC3 EM 1Do12 1Rth16 Note The extension module can be powered from the controller RS485_LAN A RS485_LAN B RS485_LAN GND RS485_WAN A RS485 WAN connection for mutual cooperation between MC2 FC controllers in mode FC and FC785 PC controllers RS485_WAN B Ry5 NO N...

Page 36: ...MC2 FC mode FC Document no 200064 Version 1 5 Page 36 of 44 6 1 1 Wall mount version ...

Page 37: ...MC2 FC mode FC Document no 200064 Version 1 5 Page 37 of 44 6 1 2 Panel mount version ...

Page 38: ... right ON position That activates a resistance of 120 ohm between A and B By the Term switches By shifting the switches Term LAN 1 and 4 to the right ON position pull up and pull down resistors of 500 ohm are activated for signal improvement Note This should only be done at one position in the network The RS485 WAN connection can be terminated electrically on the main circuit board by shifting the...

Page 39: ...6 3 Extension module 907 100054 MC3 EM 1Do12 1Rth16 Using the RS485 LAN connection the controller can be expanded with an optional extension module 907 100054 MC3 EM 1Do12 1Rth16 The bottom circuit boards of the module are displayed in the following illustration ...

Page 40: ...MC2 FC mode FC Document no 200064 Version 1 5 Page 40 of 44 The top circuit board of the module isdisplayed in the following illustration ...

Page 41: ... version Note At the bottom left of the controller a cable gland can been mounted through which an Ethernet cable with a standard RJ45 connector fits The cable gland has a special rubber ring with a slice that can be wrapped around the Ethernet cable when the RJ45 connector has already been mounted ...

Page 42: ...MC2 FC mode FC Document no 200064 Version 1 5 Page 42 of 44 7 2 Controller panel mount version ...

Page 43: ...MC2 FC mode FC Document no 200064 Version 1 5 Page 43 of 44 7 3 Extension module 907 100054 MC3 EM 1Do12 1Rth16 ...

Page 44: ... FC Document no 200064 Version 1 5 Page 44 of 44 VDH Products BV Produktieweg 1 9301 ZS Roden PO Box 205 9300 AE Roden The Netherlands T 31 0 50 302 89 00 F 31 0 50 302 89 80 info vdhproducts nl www vdhproducts nl ...

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