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Bulletin 76-00 B

18

V300 RS485 Communication Protocol

Variable

(TX Data)

Start Header

HEX

Variable

HEX

Data 

Length

ASCII

Data sent using ASCII

(No Error)

ASCII

Carriage 

Return

HEX

Checksum

Single Byte Checksum (HEX)

timeformat

0x01

0x41

1

1 = AM/PM, 2 = 24HR

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

dateformat

0x01

0x42

1

1 = MON/DD/YY, 2 = DD/MON/YY, 3= DD/MM/YY, 4 

= MM/DD/YY

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

SetPurgePoints

0x01

0x43

2

Number of Points, 01 - 20

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

Password

0x01

0x44

4

4 digits 0-9 (####)

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

Baud

0x01

0x45

1

1 = 9600, 2 = 19200

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

Parity

0x01

0x46

1

1 = ODD, 2 = EVEN

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

Temp_Scale

0x01

0x47

1

1 = C, 2 = F

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

Backlight_Pct

0x01

0x48

3

Backlight percentage, 000 - 100%

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

Contrast_Pct

0x01

0x49

3

Contrast percentage 000 - 100%

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

Temp1_Offset

0x01

0x4A

2 (3)

Temperature Offset -30 to 30

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

Pressure_Max

0x01

0x4B

3

Pressure max in PSI, 300 to 750

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

Pressure_Min

0x01

0x4C

2

Pressure min in PSI, 00 to 50

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

PurgeType

0x01

0x4D

1

1 = AUTO, 2 = MANUAL, 3 = TIME BASED

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

TimeModeStartHour

0x01

0x4E

2

Start Hour, 00 to 23

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

TimeModeStartMin

0x01

0x4F

2

Start Minute, 00 to 59

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

TimeModeEndHour

0x01

0x50

2

Stop Hour, 00 to 23

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

TimeModeEndMin

0x01

0x51

2

Stop Minute, 00 to 59

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

Current Min

0x01

0x53

2

Current Time Minutes, 00 to 59

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

Current Hour

0x01

0x54

2

Current Time Hours, 00 to 23

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

Current DoW

0x01

0x55

1

Current Time Day of Week (0 is Sunday, 1 is Monday, 2 

is Tuesday, 3 is Wednesday, 4 is Thursday, 5 is Friday, 

6 is Saturday)

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

Current Date

0x01

0x56

2

Current Day of Month, 01 to 31 (set month and year 

first to ensure that the day of month is valid for the 

current month)

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

Current Month

0x01

0x57

2

Current Month, 01 to 12

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

Current Year

0x01

0x58

2

Current Year, 00 to 99

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

TargetVentPressure

0x01

0x5D

0

No Data, Read Only

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

TargetResetPressure

0x01

0x5E

0

No Data, Read Only

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

ActualPressure

0x01

0x5F

0

No Data, Read Only

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

LiquidState

0x01

0x60

0

No Data, Read Only

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

VentState

0x01

0x61

0

No Data, Read Only

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

ActivePoint

0x01

0x62

0

No Data, Read Only

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

ActivePointMinutes

0x01

0x63

0

No Data, Read Only

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

ActivePointSeconds

0x01

0x64

0

No Data, Read Only

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

ActualTemp

0x01

0x65

0

No Data, Read Only

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

PurgeTime

0x01

0x66-0x79 (20 

points)

2

Purge times, valid data is 05, 10, 15, 20

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

CurrentPgPtVents

0x01

0x7A

0

No Data, Read Only

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

CurrentPgPtHours

0x01

0x7B

0

No Data, Read Only

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

CurrentPgPtMins

0x01

0x7C

0

No Data, Read Only

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

CurrentPgPtSecs

0x01

0x7D

0

No Data, Read Only

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

ReadHistory

0x01

0x7E

5

2 Bytes for Week (00 = current, 01 = one week ago 

thru 12 = twelve weeks ago). 2 Bytes for Purge Point to 

retrieve history for (01 to 20). One Byte for Day of Week 

(0 = SUN, 6 = SAT)

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

 InitScreen

0x01

0x7F

0

No Data, Read Only

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

Terminate Point

0x01

0x80

1

1 = Terminate Current Point, 2 = Terminate Cycle

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

Initiate Point

0x01

0x81

2

2 Bytes are for the purge point number 01-20.

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

InitScreenControl

0x01

0x82

1

0 = Do nothing (not filling Bubbler) 1 = Exit Init Screen, 

2 = Filling Bubbler

0x0D

=VALUE(1) * 1 + VALUE(2) * 2 + VALUE(n) * n

Communication Protocol

Содержание V300

Страница 1: ...ble are now accessible via the serial channel Further advancements include extended data logging time and password protection for factory calibration settings Like its predecessor the V200 the V300 ca...

Страница 2: ...ointers 22 Purge Point Initiation Termination Instructions 25 Setting Communications and Unit Instructions 27 Display Setting Instructions 28 Language Setting Instructions 29 Date Time Setting Instruc...

Страница 3: ...the foul gas inlet to prevent any liquid refrigerant from entering the shell side of the heat exchanger Figure 2 Purger Fill Pre Cool Cycle Purge Cycle The purge cycle consists of three main processes...

Страница 4: ...e 4 for a graphic representation of this cycle Non condensable gases will continue to accumulate in the Vapor Vent Float chamber as it is separated from the refrigerant Once the volume of these gases...

Страница 5: ...ding 4 Remove the purger flange connections with the welded stubs from the high pressure liquid foul gas and suction line The flanges are highlighted in gray in Figure 6 5 Wait several minutes before...

Страница 6: ...water level press and hold the INIT button on the controller keypad to energize the water solenoid valve When water begins to drain from the overflow tube release the INIT button to de energize the w...

Страница 7: ...selection bar does not have Start Up selected use the or button to move the selection bar 3 Follow the instructions on the screen and then press Enter BEFORE SETTING PURGE CYCLE CHECK THAT WATER MAKE...

Страница 8: ...TEMPERATURE CALIBRATE PRESSURE INPUT SETUP MENU SET PASSWORD If the selection bar does not have the Set Password option selected use the or button to move the selection bar 4 Use the and buttons follo...

Страница 9: ...Purge Type menu select either Auto Manual or Time Based by using the or button to move the selection bar and press Enter AUTO SELECT WITH PRESS ENTER PRESS MENU TO RETURN MANUAL TIME BASED PURGE TYPE...

Страница 10: ...END TIME 11 20 PM START END TIME REVIEW To cancel the operation press Menu to return to the beginning of the Stop Time setting screens 13 Use the or buttons to select the number of Purge Points in the...

Страница 11: ...s to select the minimum pressure and press Enter to set the value ADJUST THE MIN PRESSURE ADJUST WITH PRESS ENTER PRESS MENU TO RETURN PRESSURE SENSOR MIN ADJUST 0 PSI The default value is the factory...

Страница 12: ...RS 485 422 interface converter see Figure 11 below Remote Communications Setup Assembly Instructions To connect the CAT5 Ethernet cable to the GM 482422 converter follow below instructions 1 Measure...

Страница 13: ...r located in the drive containing the Gearmo CD D drive 3 Now open the folder which corresponds to the operating system on your computer of choice in this case it is win xp server 2003 2008 Vista 7 8...

Страница 14: ...e 6 Plug in the RS845 Cat5 connector to the RJ45 Jack on the Display Board affixed to the backside of the Enclosure lid The adaptor s driver should be installed on the laptop for the w port to be reco...

Страница 15: ...h the RS485 converter unplugged from the V300 Purger Controller then look at the COM ports that are available on the Bootloader Then plug in the RS485 converter and click Find COM Ports in the applica...

Страница 16: ...ERM on the Main Screen 18 The following screen will appear Select Terminate Point to terminate the current purge point and cycle to the next Select Terminate Cycle to end purging completely 19 Click V...

Страница 17: ...mputer 4 Open the V300 Purger Controller enclosure by unlatching the two side latches 5 Feed the other end of the cable RS845 side through an unused hole at the bottom of the V300 Purger Controller en...

Страница 18: ...ent Date 0x01 0x56 2 Current Day of Month 01 to 31 set month and year first to ensure that the day of month is valid for the current month 0x0D VALUE 1 1 VALUE 2 2 VALUE n n Current Month 0x01 0x57 2...

Страница 19: ...protrude from the packing nut This will prevent liquid ammonia from being trapped between the liquid hand shut off valve and SV2 solenoid 4 Use the HSBR level switch as a ammonia level indicator When...

Страница 20: ...7 5 Liquid Refrigerant Line Non Condensables Vent Line Water Inlet Line Foul Gas Line Water Drain Line 37 5 31 14 33 Suction Line 38 11 21 20 6 7 8 29 28 27 27 25 1 22 24 21 5 13 4 15 10 12 10 12 Figu...

Страница 21: ...Valve Water Line Nylon Connector Elbow Solenoid Valve Assembly Water Line 208787 20 6 21 4 Nylon Tubing Nylon Connector Elbow Nylon Tubing Bubbler 208668 22 Water Bubbler Water Bubbler Assembly 20878...

Страница 22: ...d and no field adjustment is required If the main controller displays _ _ _ rather than an actual temperature reading check for loose wires Check wire loom from main board to cover for loose or damage...

Страница 23: ...r for optimal performance If the use of Refrigerating Specialties coils is not an option coils with an inrush current rating of less than 1 22 amps MUST be used If this symptom is presented it is reco...

Страница 24: ...Bulletin 76 00 B 24 A A P P E N D I X...

Страница 25: ...ive Points are present LIQUID SOL VENT WATER SOL THU MAY 21 15 04 10PM WAIT NO ACTIVE POINTS ACTUAL TARGET 16 F 99 3 PSIG VENT 56 4 PSIG 79 3 PSIG RESET CYCLE HISTORY PT VENTS TOTAL TIME MODE MANUAL 6...

Страница 26: ...rge cycle will always change the mode to Manual 10 The screen now indicates that No Active Points are present and the mode has changed to Manual LIQUID SOL VENT WATER SOL THU MAY 21 15 04 10PM WAIT NO...

Страница 27: ...After moving the selection bar to the option you would like to change press the ENTER button 4 Use the or buttons to make parameter changes within the selected option SETTINGS MENU SOFTWARE VERISON 2...

Страница 28: ...eases the contrast 4 Press the ENTER button to return to the display setting menu screen CONTRAST ADJUST SELECT WITH PRESS ENTER PRESS MENU TO RETURN 5 To change the backlight move the selection bar t...

Страница 29: ...have the set date and time option selected use the or button to move the selection bar 5 Select the current year by using the or button to increase or decrease the year When the year is selected pres...

Страница 30: ...time menu Follow step 13 of the date time setting instructions to exit to the main menu screen 10 Select the current minute by using the or button When the minute is selected press ENTER to continue t...

Страница 31: ...format by using the or button to move the selection bar and press ENTER MON DD YY SELECT WITH PRESS ENTER PRESS MENU TO RETURN DD MON YY MM DD YY DD MM YY SET DATE FORMAT CURRENT DATE TUE AUG 05 14 Mo...

Страница 32: ...RENT WEEK PG PT 01 CHANGE WITH AND LBS 00 02 00 07 00 07 00 06 00 07 00 03 00 07 Vents represents the total vents on a given Day and Purge Point Time represents the total time of all vents on a given...

Страница 33: ...or button to move the selection bar 3 Use the or button to move the selection bar to the Clear History option and then press Enter READ POINT HISTORY SELECT WITH PRESS ENTER PRESS MENU TO RETURN CLEA...

Страница 34: ...N SETUP FACTORY TEST MODE HISTORY MAIN MENU LANGUAGE MENU If the selection bar does not have Factory Test Mode selected use the or button to move the selection bar 3 Enter the new password by using th...

Страница 35: ...Bulletin 76 00 B 35...

Страница 36: ...er device is opened or removed Flanges with ODS connections are not suitable for ammonia service Warranty All Refrigerating Specialties products are under warranty against defects in workmanship and m...

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