Raypak B6000 User manual

1
CATALOG NO.:5000.59B
Effective Date: 4-09-08
Replaces: 3-15-99
T-3
Raypak B6000 Modbus
System Protocol Interface
T-3 Communications Interface
Raypak B6000 Boiler Controller
to Modbus Interface Card
Installation and Operating Manual
P/N 240729 Rev. 3

2
TABLE OF CONTENTS
1.0 Contents (as shipped)-----------------------------------------------------------------------------------3
2.0 Forward -----------------------------------------------------------------------------------------------------3
3.0 Installation andMounting --------------------------------------------------------------------------------4
3.1 Dimensions and Weight-------------------------------------------------------------------------4
3.2MechanicalInstallation---------------------------------------------------------------------------4
3.3Electrical Installation -----------------------------------------------------------------------------4
4.0 Wiring--------------------------------------------------------------------------------------------------------5
5.0 B6000 System Control Board -------------------------------------------------------------------------6
6.0 Wiring:-------------------------------------------------------------------------------------------------------7
7.0 Wiring: B6000 System Control to T-3 Cable ------------------------------------------------------7
8.0 Check Your Power to T-3 -------------------------------------------------------------------------------7
9.0Modification-------------------------------------------------------------------------------------------------8
ProSoft T-3 Raypak B6000 Modbus Protocol Interface ----------------------------------------------9
11.0 ProSoft T-3 Card ----------------------------------------------------------------------------------------9
11.1.0 ProSoft Product Specifications ------------------------------------------------------------10
11.2.0 Slave Port Functionality ---------------------------------------------------------------------11
11.2.1.0 MODBUS Communications------------------------------------------------------11
11.2.1.1 Command/Relpy Cycle------------------------------------------------11
11.2.1.2 Command Types -------------------------------------------------------11
11.2.1.3 Command Error Checking -------------------------------------------11
11.2.1.4DataIntegrity -------------------------------------------------------------12
11.2.2.0Modbus Register Map--------------------------------------------------------------12
11.3.0 Hardware Setup -------------------------------------------------------------------------------13
11.3.1.0 1500 Card Setup --------------------------------------------------------------------13
11.3.1.1 Connecting Power to the T-3 Card ---------------------------------13
11.3.1.2 Dip Switch Configuration----------------------------------------------13
11.3.1.3 Jumper Configurations ------------------------------------------------15
11.3.2.0 B6000 Communications ----------------------------------------------------------15
11.4.0 Modbus Protocol Support -------------------------------------------------------------------16
11.4.1 Modbus Commands------------------------------------------------------------------16
11.5.0 Diagnostics-------------------------------------------------------------------------------------17
11.5.1 LED Indicators -------------------------------------------------------------------------17
11.6.0 ProSoft Support, Service and Warranty -------------------------------------------------18
11.6.1.0 Technical Support-------------------------------------------------------------------18
11.6.2.0 Service and Repair -----------------------------------------------------------------18
12.0 Raypak Limited Warranty -----------------------------------------------------------------------------19
APPENDICES
AppendixA
T-3 Modbus Register Map

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T-3 (Raypak B6000 System Protocol Interface)
Contents Quantity
COMPACT DISC (CD) 1
T-3 1
EPROM (CPX.XNMn) in small black ESD box 1
Check packaging for damage or missing components.
IMPORTANT NOTICE: Theseinstructions areintended forthe useby qualifiedpersonnel only,
specificallytrained andexperienced intheinstallation ofthis type ofequipment andrelated sys-
tem components. Installation and service personnel may be required by some states to be
licensed. Ifyourstate issuch, besureyourcontractorbears theappropriate license. Onlyquali-
fiedpersons shall attempt torepairthis equipment. Repair must be accordingto these instruc-
tions.
WARNING: Improper installation,adjustment,alteration, serviceormaintenance maydamage
theequipment,create ahazardresulting inasphyxiation,explosion,fire,electricshock,personal
injuryor propertydamage andwill voidthe warranty.
CAUTION: ONE SUPPLY SOURCE. TO REDUCE THE RISK OF ELECTRIC SHOCK,
DISCONNECT ALL CONNECTIONS BEFORE SERVICING.
CAUTION: RISK OF ELECTRIC SHOCK, DISCONNECT SWITCH IS REQUIRED TO DE-
ENERGIZE THE EQUIPMENT BEFORE SERVICING.
NOTE: Minimum18AWG, 105°C, stranded wiremustbe used for all low voltage(less than 30
volts) external connections to the unit. Solid conductors should not be used because they can
cause excessive tension on contact points. Install conduit as appropriate. All high voltage
wires must be the same size (105°C, stranded wire) as the ones on the unit or larger.
Thankyou forselectingthe RaypakB6000Boiler ManagementSystemand theRaypak
Communication Interface. It is our sincere hope that you will enjoy its power, ease of use and
energysavingfeatures.
Pleasefollowtheinstructions carefullyto insureproper installation.
FORWARD
TheRaypakCommunicationInterfaceisdesignedto allowtheCommunication InterfaceSystem
tomonitor and controlthe Raypak B6000BoilerManagement System.

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T-3 INSTALLATION AND MOUNTING
TheT-3 Moduleshould be mountedon a permanentbase not subjectto vibrations, moistureor
dust. Itshould be readilyaccessible, for serviceability.
DIMENSIONS AND WEIGHT
15 3/4” H 14 LBS
8” W
5 3/4” D
MECHANICAL INSTALLATION
Mountthe SystemProtocol Interface withinfive (5) feetof B6000SystemControl Box.
TheGatewayenclosuremustbemountedverticallywithconduitholesfacingdownward. Conduit
holes are provided to accommodate standard conduit fittings. Additional or larger conduit fit-
tingsthat may be required shouldbe located on the bottomofthe module. Mount the Interface
with3/8” or 1/4”hardwarein four (4)places.
A Minimum of six (6) inches clearance on all sides is required and a minimum of eighteen (18)
inches clearance from the front is required for service access. The hinged side of the box is to
therightandtheclearance (minimum 3” from bolt hole on the right side) should be sufficient to
openthecover.
Asub-panelcontaining thedisconnectswitches andsurgesuppressors isrequiredatornearthe
equipmentlocation(s).
Foraccessibility remove thelowerinterior panel, byremoving the four (4)access screws.
INSTALL CONDUIT AS APPROPRIATE.
ELECTRICAL CHARACTERISTICS
120 VAC, 0.25A, 60 Hz
ELECTRICAL INSTALLATION
120 VAC FEEDER CIRCUITS
Installa surgeprotection devicesizedappropriately foryour installation.
Installseparate disconnect meansfor each load. Pullinappropriately sizedwirefor equipment
as defined by NEC and/or local code.
Itis strongly recommendedthat the CommunicationsInterface,B6000 System ControlModule
andthe B6000 Boiler Control Module besuppliedfrom the same source power.

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WIRING T-3
1. Turnoffpowertothe B6000 SystemControl Box.
2. Openfront doorof SystemProtocolInterfaceGatewayEnclosure.
3. Removefour screws andthe lower cover,revealing thefield wiringblocks.
4. Attach wires frominterfacecard to the field wiringside of left terminal block(N+, N-,
GND,NC). Refer to diagraminthis user manual.
5. Openfront door oftheB6000 System ControlBox.
6. Removefour screws andthe lower cover,revealingthe fieldwiringblocks inlowerleft.
7. RunRS-485 cable (provided)tothe lower leftfield wiring terminalinthe
B6000System Control box. Attachwires to theupper four terminalsasfollows:
BLU/WHT to + (1)
WHT/BLU to - (2)
ORG/WHT to COM (3)
SHIELD to GND (4)
8. The EPROM (CPX.XNMn),insmall black ESD box,mustbe installed in
placeof thecurrent EPROM.
9. Viewthe B6000 System ControlBoardpicture on the next page. Note location of
EPROM,U4.
10. Removefour screwsholding upperpanel withdisplayscreen andkeypad. Carefully
removeupper panel andturn over exposingB6000System Control Board,(see next
page).
11. UsingESDprocedures carefully removethe EPROM fromlocationU4.
12. Againusing ESDprocedures carefullyinstall theEPROM labeledCPXXNM orCPXXM
intolocation U4.
13. Re-assembleB6000System ControlBox.
14. Turnpower onto B6000SystemControl Box.
15. Connect120VAC (hot,Neutral, ground)toT-3 atrightterminal block.
16. Re-assemble.

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B6000 SYSTEM CONTROL BOARD
CHECK YOUR POWER SOURCE
AC = 108 Volts AC Minimum, 132 Volts MAX
AB = 108 Volts AC Minimum, 132 Volts MAX
BC = Must be less than 1.0 Volts AC

7

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11.0. T-3
Revision1.0
Raypak B6000 Modbus™
Protocol Interface
Please Read this Notice Successful application of the T-3 card requires a reasonable work-
ing knowledge of the Raypak B6000 Boiler Control, and the applica-
tion in which the combination is to be used. For this reason, it is
important that those responsible for implementing the T-3 satisfy
themselves that the T-3 and B6000 Boiler Control combination will
meet the needs of the application.
This manual is provided to assist the user. Every attempt has been
made to ensure that the information provided is accurate and a true
reflection of the product’s installation requirements. In order to en-
surea complete understandingof the operation of theT-3 with B6000
Controller, the user should read all applicable Raypak documenta-
tion on the operation of the B6000.
WARNING
The T-3 card will allow remote access to commands in the
B6000 Controller. The User is responsible for ensuring that
any applicable regulations concerning the remote operation
of equipment are adhered to.

9
11.1. Product Specifications
TheT-3 cardisa hardware product designedtobe the communications frontend
forthe Raypak B6000 Boiler Control andamodbus Master Host.
Theproductincludesthefollowingfunctionality:
Modbus Slave Specifications
• ProtocolModes:
RTUmode with CRC-16errorchecking
• SupportedModbus Function codes:
2 ReadInputStatus
3 ReadMultiple Data Registers
4 ReadInputRegisters
6 Preset (Write) Single Data Register
8 LoopbackTest (Test 0 only)
• Supportsbroadcast commands fromhost
• RS-485electrical interface
Raypak B6000 Interface
• RS-485electrical interface
• EmulatesRaypak Modemaddress andfunctionality
General Specifications
• Configurationsvia dip switches
SlaveAddress,Baud and Parity
Hardware Specifications
• 4” X 5” form factor
• Twomale 9-pinDShell connectors
• CommunicationsStatuslights-Active andFaultfor each port
• 9 to 30 VDC external power

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11.2.0 Slave Port Functionality
11.2.1 Modbus Communications
TheT-3ModbusSlave card runsthe RTU version of theModbus protocol. This capability
allowsthemodule to communicate datafrom a Raypak B6000BoilerControl to a Modbus
Masterhost, and vice-versa. The module supports both point-to-pointimplementation as
wellasmulti-drop implementations.
Thefollowing discusses the functional capabilitiesoftheT-3 card.
11.2.1.1 Command/ReplyCycle
Successful communications between the card and a host will always con-
sist of the following two transactions:
Command: Messagefrommaster giving instruction toslave.
Reply:Response to command.
A slave station will respond to a master issued command in severalways.
Data Message: If the command was executed by the T-3 board, the re-
sponsemessage will include thedata requested, oran acknowledge-
ment that the command was executed.
Error Message: If the command could not be executed by the T-3
board,forwhatever reason, an errorresponsemessage is transmitted to
the master. The error response message consists of the original function
code(ORedwith80hex) and error code.
NoReply: If the master does not detect a reply within its time-out pe-
riod, the master should retransmit the command, before a time out error is
issued. If the Slave could not decode the message or an error occurred
preventingtheSlave from recognizing the message,noresponse will be
issued.
11.2.1.2 Command Types
TheT-3can respond tothree types of commands fromthe master;
readdata,writedata, and a diagnosticcommand. Theseareoverviewed
below:
ReadData: Thefollowingtypeofdata read commands are supported:
2 ReadInputStatus
3 ReadMultipleRegisters
4 ReadInputRegisters
Write Data: The Followingdatawritecommand issupported:
6 SingleRegister Write
Diagnostics: Thediagnosticcommand is supported:
8 Loopback test - Code 0
11.2.1.3 Command Error Checking
WhentheT-3 cannotexecute a command, an errorcode is generatedand
returned to the master. Error codes generated at the slave will usually be
indicative of an illegal function, an illegal address, bad data, or the inability
tocomplete atransaction because of a network problem.

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11.2.1.4 Data Integrity
As in all good protocols, there must exist a level of data integrity
checking to verify, with some degree of assurance, the quality of
the transmitted data. The Modbus protocol supports two types of
errorchecking:
• RTUMode: 16 bit cyclicredundancy check (CRC-16)
• One bit parity check
CRC-16: When the master generates a message, a 16 bit CRC
value is added to the end of the transmitted packet. The CRC
value is generated using a series of the bit shifts and manipulations.
Thereceiving stationexecutes the same calculation of the data
and verifies the transmitted CRC. Any discrepancy will cause the
messagetobe disregarded.
Parity: Parity checking can be added as an additional level of data security.
If parity checking is selected, even or odd parity can be implemented.
11.2.2 Modbus Register Map
Apredefinedregistermaphas been provided fortheT-3 unit. This
map is detailed inAppendixA.

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11.3.0 Hardware Setup
11.3.1.1 1500 Interface Card Setup
11.3.1.1 Connecting Power to the T-3 Card
TheT-3Cardrequires an external source ofDCvoltage. The
DCsource voltageshouldbe between 9Vand 30V. The power is
connected to TB1, located near the two 9 pin serial port connec-
tions.
The connection to TB1 is as follows:
TB1-1 9-30VDC(+)
TB1-2 Common(-)
11.3.1.2 Dip Switch Configuration
TheT-3 card isconfigured primarily through twosetsof dip
switches. These switches are read initially on power up only.
The function of the dip switches is as follows (a value of one (1)
is registered when the a switch is in the ON position):
OFF Position: OFF Position:
ON Position: ON Position:
SW1 : Modbus Port Configuration
Switch
Position Function Positions
1 Baud Rate 3 2 1
2 Selection 000300
3 001600
0 1 0 1200
0 1 1 2400
1 0 0 4800
1019600 -
1 1 0 19200
1 1 1 19200
4 Parity 5 4
5 Selection 0 0 None -
0 1 Odd
1 0 Even
1 1 Invalid
6 Not Used
7
8
SW2 : Modbus Slave Address Configuration
Switch
Position Function Positions
1 Baud Rate 1 Address Bit 0 Value = 1
2 Address 2 Address Bit 1 Value = 2 -
3 Select 3 Address Bit 2 Value = 4
4 4 Address Bit 3 Value = 8
5 5 Address Bit 4 Value = 16
6 6 Address Bit 5 Value = 32
7 7 Address Bit 6 Value = 64
8 8 Address Bit 7 Value = 128
Factory Settings
9600, No Parity, Address Bit 1 *
*
*
*
O
F
F
12345678
• ••••••
•
12345678
• •••••
••
O
F
F
↓↓
SW 1 SW 2

13
Example Addresses = 0 to 33 Example Addresses = 34 to 63
8 7 6 5 4 3 2 1 Address 8 7 6 5 4 3 2 1 Address
0 0 0 0 0 0 0 0 Invalid 0 0 1 0 0 0 1 0 34
000000011* 0010001135
000000102 0010010036
000000113 0010010137
000001004 0010011038
000001015 0010011139
000001106 0010100040
000001117 0010100141
000010008 0010101042
000010019 0010101143
0000101010 0010110044
0000001111 0010110145
0000110012 0010111046
0000110113 0010111147
0000111014 0011000048
0000111115 0011000149
0001000016 0011001050
0001000117 0011001151
0001001018 0011010052
0001001119 0011010153
0001010020 0011011054
0001010121 0011011155
0001011022 0011100056
0001011123 0011100157
0001100024 0011101058
0001100125 0011101159
0001101026 0011110060
0001101127 0011110161
0001110028 0011111062
0001110129 0011111163
0001111030
0001111131
0010000032
0010000133
* Indicates Factory Setting

14
The parameters are defined as follows:
Modbus Slave Address: Each of the separate drop offs of a Modbus
host must have a different slave address. The slave address is
selected by encoding the slave address in a binary form using the
dip switches.
11.3.1.3 T-3 Jumper Configurations
The T-3 card has five sets of jumpers on the board. Generally, the
default jumper positions will be adequate for most applications, with
JP4 and JP5 being the only jumpers that should ever need to be
reviewed. For completeness, we provide the following discussion on
all the jumper locations:
Jumper Description Positioning Default
JP1 Hardware Reset Not Used
JP2 Raypak Port 1-2 Non-Isolated Power 1-2
Power (P2) 2-3 Isolated Power
JP3 Raypak Port 1-2 Non-Isolated Power 1-2
Ground (P2) 2-3 Isolated Power
JP4 Modbus Port (P1) 1-2 Connect 120 ohms on 2-3
Termination Rx lines (multidrop only)
Resistor 2-3 Disconnect 120 ohms
JP5 Modbus Port (P1) 1-2 RS-232 Select 2-3
RS-232 or 2-3 RS-422/485 Select
RS-422/485 Select
11.3.2 B6000 Communications
The B6000 communications interface has been hard coded (i.e., no dip switches
are required to configure this port) to operate at the following default conditions:
Baud 9600
Parity None
Stop Bits 2
The T-3 card emulates the modem card that is normally connected to the
B6000 Controller.

15
11.4.0 Modbus Protocol Support
11.4.1 Modbus Commands
TheT-3 card supportsa command subset of the ModbusSpecification consisting
primarilyof the Function Codes required to readand write data. Thefollowing sections
detailthe different commands supported by the card.
Function Address Slave Driver
Code Command Range Comments
2 Read Input Status 10001 Module returns binary data from the
to“Input Status” register space.
10331 & 10833
3 Read Multiple 40001 The Module returns word data from
Registers to the register space. The module will
40138 support up to 125 words of data in
one command.
4 Read Input Registers 30001 The module returns data from the
to “Input register” space in the module.
30138 The module will support up to 125
words of data in one command.
6 Single Register Write 40001 to 40030 This is a register write command
and allowing a host to change values in
40133 to 40138 the B6000 unit by writing a register
value.
8 Loopback Test Test 0 This is a diagnostic command which
echoes the command sent.
11.4.2 Modbus Error Codes
TheT-3 card supportsthefollowing Modbus Error Codes:
Code Name Description
0 AllOK The module is operating as desired
1 Illegal Functions An illegal function code request is being attempted
2 Bad Data Address The address, or the range of addresses, covered by
a request from the master are not within allowed
limits.
3 Bad Data Value The value in the data field of the command is not
allowed.
4 Incomplete Response This error indicates that an incomplete response was
Detected received to a master query. Often this will indicate
that the slave device may be responding too quickly
or that there may be excessive noise on the line.
6 Module Busy The module busy status code is returned when a
write command from the master has not yet been
completed when a second write command is received

16
11.5.0 Diagnostics
Several hardware diagnostics capabilities have been implemented using the LED indicator lights on
the front of the T-3 card. The possible conditions as indicated by the lights are:
11.5.1 LED Indicators
Several hardware diagnostics capabilities have been implemented using the LED indicator
lights on the front of the module. The possible conditions as indicated by the lights are:
Name LED Color Status Indication
Modbus (P1) D1 Green Blinking The T-3 is receiving a command
ACTIVE from the Modbus Host
Steady The T-3 is not detecting a valid
ON command. If the master is
or transmitting, be sure all dip
OFF switches are set correctly and that
the cable connection is correct.
Raypak (P2) D2 Green Blinking The T-3 is processing a B6000
ACTIVE command
Steady Check cable connection to verify
ON polarity of terminations between
or T-3 card and B6000 (See Appen-
OFF dix B)
Modbus (P1) D3 Red ON The Modbus port has detected a
COMM or communications error condition.
ERR Blinking See Section 4.2
OFF No error conditions at this time.
Raypak (P2) D4 Red ON The T-3 card has detected a
FAULT communications error condition.
OFF No error conditions at this time.
Should the configuration dip switches select an invalid address or an
invalid baud rate, the LED indicators will alternate in the on/off fashion
on 1/2 second intervals until correct values are selected.

17
11.6.0 ProSoft Support, Service and Warranty
11.6.1 Technical Support
ProSoftTechnology survives onitsability to provide meaningfulsupport to itscustomers.
Should any questions or problems arise, please feel free to contact us at:
ProSoftTechnology,Inc.
9801Camino Media
Suite105
Bakersfield,CA 93311
(805)664-7208
(805)664-7233FAX
Beforecalling for support, pleaseprepare yourself forthe call. In order toprovide the best
and quickest support possible, we will most likely ask for the following information (you
may wish to fax it to us prior to calling):
1. ProductSerialandVersion Number
2. T-3ConfigurationInformation
- DipSwitches
- Jumpers
- Communicationcabling
11.6.2 Service and Repair
TheT-3cardis an electronic product,designedand manufactured to functionunder
somewhat adverse conditions. As with any product, through age, misapplication, or any
oneof many possible problems, the card may require repair.
The T-3 product has a one year parts and labor warranty according to the limits
specifiedin the warranty. Replacementand/or returns shouldbe directed tothe distribu-
toror Original Equipment Manufacturerfrom whom the productwas purchased. If you
need to return the card for repair, it is first necessary to obtain an RMAnumber from
ProSoftTechnology. Please call the factory for this number and display the number
prominently on the outside of the shipping carton used to return the card.

18
LIMITEDWARRANTY
T-3
SCOPEOFWARRANTY:
Raypak, Inc. (“Raypak”) warrants to the original owner the T-3 to be free from defects in materials and workmanship under normal
use and service for the applicable warranty period. In accordance with the terms of this Limited Warranty, RAYPAK will furnish a
replacement or repair, at our option, any defective part which fails in normal use and service during the applicable warranty period. The
replacement or repair will be warranted for only the unexpired portion of the original Warranty Period.
APPLICABLEWARRANTYPERIOD
The effective date of warranty coverage is the date of original installation, of the Control System, by a qualified electrician or by a
RAYPAK authorized service technician. The Applicable Warranty Period is one (1) year from the effective date.
WARRANTYEXCLUSIONS
This Limited Warranty does not apply:
1. if the control system is not properly installed by a qualified technician in accordance with manufacturer’s installation instructions,
applicable codes, ordinances and good trade practices,
2. to damage or malfunctions resulting from failure to properly install, operate or maintain the system in accordance with the
manufacturer’s instructions;
3. if the rating plate’(s) or serial number(s) are altered, defaced or removed;
4. if the System is modified in any way or used with any non-factory authorized accessories or components;
5. to damage or failure from abuse, accident, act of nature, fire, flood, freezing or the like;
6. to accessories, rubber or plastic parts, light bulbs or glass parts;
7. if the System is moved from its original installation site; or if the original owner no longer owns the site or the System.
LABORANDSHIPPINGCOSTS
This Limited Warranty does not cover labor costs for service, removal or reinstallation of any part nor shipping charges to or from
RAYPAK’S designated repair center or to or from the installation site. All such costs are your responsibility.
HOWTOMAKEAWARRANTYCLAIM
To make a warranty claim, promptly ship (postage prepaid) or carry the defective part to a designated RAYPAK Service Dealer or
Service Station in the United States, supplying proof of purchase and date of purchase and date of installation and the model and serial
numbers. If you cannot locate a dealer, contact RAYPAK’S Service Department at the address/telephone listed below. Raypak reserves
the right at all times to inspect the claimed defect and verify warranty coverage at its factory.
EXCLUSIVEWARRANTY-LIMITATIONOF LIABILITY
This is the only warranty given by RAYPAK. No one is authorized to make any other warranties on Raypak’s behalf. ANY IMPLIED
WARRANTIES,INCLUDINGMERCHANTABILITYORFITNESSFORAPARTICULARPURPOSE, SHALLNOTEXTENDBEYONDTHEAPPLI-
CABLEWARRANTYPERIODSPECIFIEDABOVE. RAYPAK’SSOLELIABILITYWITH RESPECTTOANYDEFECTSHALLBEASSETFORTH
INTHISLIMITED WARRANTY.ANYCLAIMSFOR INCIDENTALORCONSEQUENTIALDAMAGES(INCLUDING DAMAGEFROM WATER
LEAKAGE)ARE EXCLUDED. Some states do not allow limitations on how long an implied warranty lasts, or for the exclusion of incidental
or consequential damages, so the above limitation or exclusion may not apply to you.
THISLIMITEDWARRANTYGIVESYOUSPECIFICLEGALRIGHTS,ANDYOUMAYALSOHAVE OTHERRIGHTS WHICHVARYFROM
STATETOSTATE.
We suggest you immediately complete the information below and retain this Limited Warranty Certificate in case warranty service is
needed.
RAYPAK,INC.SERVICEDEPARTMENT
2151 Eastman Avenue, Oxnard, CA 93030
(805) 278-5300 FAX (805) 278-5489
The following information must be provided when you write or call:
Original Owner DaytimeTelephoneNumber
Complete MailingAddress
City State Zip Code InstallationSite
ModelNumber Contractor/Installater
Date of Installation SerialNumber
Raypak, Inc., 2151 EastmanAvenue, Oxnard, CA 93030 (805) 278-5300 FAX (805) 278-5489 Litho in U.S.A.

19
APPENDIX A
Modbus Register Map
A-1

20
A-2
Raypak Modbus Register Assignments
Function FunctionFunction
Type 2 4 3,6 Description
R/W 30001 40001 Setpoint Day Setpoint (Desired water temp @70F)
R/W 30002 40002 Nitesetback Night Setback (Desired water temp @ 70F)
R/W 30003 40003 Ratio Out 1-200 = 0.1 - 20.0 in 0.1 increments
R/W 30004 40004 Throttling DeltaT of all boilersin system (Normally 20/ # boilers)
R/W 30005 40005 Modulating Step (%) min 5% steps
R/W 30006 40006 Wait State Time (Sec)
R/W 30007 40007 Outdoor Cut off Temperature (O/C)
R/W 30008 40008 Control Band (degrees F Tolerance from TAR) (C/B)
R/W 30009 40009 Lead Boiler Number (1 to Number of Boilers)
R/W 30010 40010 Number of Boilers
R/W 30011 40011 TP - Boiler Pump Delay (Min) Boiler #1
R/W 30012 40012 TP - Boiler Pump Delay (Min) Boiler #2
R/W 30013 40013 TP- Boiler Pump Delay (Min) Boiler #3
R/W 30014 40014 TP- Boiler Pump Delay (Min) Boiler #4
R/W 30015 40015 TP- Boiler Pump Delay (Min) Boiler #5
R/W 30016 40016 TP- Boiler Pump Delay (Min) Boiler #6
R/W 30017 40017 TP- Boiler Pump Delay (Min) Boiler #7
R/W 30018 40018 TP- Boiler Pump Delay (Min) Boiler #8
R/W 30019 40019 TS - Ignition Time (Sec) Boiler #1
R/W 30020 40020 TS - Ignition Time (Sec) Boiler #2
R/W 30021 40021 TS - Ignition Time (Sec) Boiler #3
R/W 30022 40022 TS - Ignition Time (Sec) Boiler #4
R/W 30023 40023 TS - Ignition Time (Sec) Boiler #5
R/W 30024 40024 TS - Ignition Time (Sec) Boiler #6
R/W 30025 40025 TS - Ignition Time (Sec) Boiler #7
R/W 30026 40026 TS - Ignition Time (Sec) Boiler #8
R/W 30027 40027 Time - Hrs
R/W 30028 40028 Time - Min
R/W 30029 40029 Time - DWK
R/W 30030 40030 Lead Change Hours
R 10001 30031 40031 Bit 0 = Night Setback on Night Setback
R 10017 30032 40032 Bit 0 = Fault Status )1=system fault) Controller LED Status
R 10018 Bit 1 = Call Out Request (1 = Yes) Controller LED Status
R 30033 40033 Outdoor Temperature + 35
R 30034 40034 Water Temperature + 35
R 30035 40035 Target Temperature (TAR)
R 30036 40036 Valve Position (0-100%) - Boiler #1
R 30037 40037 Valve Position (0-100%) - Boiler #2
R 30038 40038 Valve Position (0-100%) - Boiler #3
R 30039 40039 Valve Position (0-100%) - Boiler #4
R 30040 40040 Valve Position (0-100%) - Boiler #5
R 30041 40041 Valve Position (0-100%) - Boiler #6
R 30042 40042 Valve Position (0-100%) - Boiler #7
R 30043 40043 Valve Position (0-100%) - Boiler #8
30044 40044 Boiler #1 Status Word Boiler #1
bit
R 10209 0Boiler Not On Line (0 = Normal, 1 = Alarm)
R 10210 1Boiler Operation (0 = Firing, 1 = Ready)
R 10211 2Low Water Cutoff (0 = Normal, 1 = Alarm)
R 10212 3Low Pressure Water (0 = Normal, 1 = Alarm)
R 10213 4Low Pressure Gas (0 = Normal, 1 = Alarm)
R 10214 5High Pressure Gas (0 = Normal, 1 = Alarm)
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