Related Manuals for Kohler Modbus MPAC 1000
Summary of Contents for Kohler Modbus MPAC 1000
- Page 1 Protocol Operation Modbusr Communications Protocol for Automatic Transfer Switches Models: MPAC 1000t Transfer Switch Controller TP-6208 4/03a...
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Page 3: Table Of Contents
Table of Contents Safety Precautions and Instructions ............Introduction . -
Page 5: Safety Precautions And Instructions
Safety Precautions and Instructions IMPORTANT SAFETY Accidental Starting DANGER INSTRUCTIONS. Electromechanical equipment, including generator sets, WARNING transfer switches, switchgear, and accessories, can cause bodily harm and pose life-threatening danger when Hazardous voltage. improperly installed, operated, or Will cause severe injury or death. maintained. - Page 6 Servicing transfer switch. Notice WARNING Hazardous voltage cause severe injury or death. Deenergize all NOTICE power sources before servicing. Open Hardware damage. The engine and the main circuit breakers of all transfer generator set may use both American switch power sources and disable all Standard and metric hardware.
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Page 7: Introduction
MPAC 1000t controller. Modbusr register documentation Information in this publication represents data available at the time of print. Kohler Co. reserves the right to Related Materials change this literature and the products represented without notice and without any obligation or liability The protocol covered in this manual is part of a total whatsoever. -
Page 8: Service Assistance
Visit the Kohler Power Systems website at Phone: (86) 21 6288 0500 KohlerPowerSystems.com Fax: (86) 21 6288 0550 Look at the labels and stickers on your Kohler product India, Bangladesh, Sri Lanka or review the appropriate literature or documents India Regional Office included with the product... -
Page 9: Section 1 Controller Connection And Setup
Section 1 Controller Connection and Setup 1.1 Specifications 1.3 Hardware Connections The controller’s Modbusr communication capability: DANGER Supports industry-standard Modbusr RTU protocol. Connects to a Modbusr master singly or over an RS-485 network. Hazardous voltage. Uses standard baud rates of 9600 or 19200. Will cause severe injury or death. - Page 10 TRANSFER PRE-SIGNAL 10A@30VDC/250VAC PROGRAMMABLE OUTPUT 2A@30VDC/250VAC PROGRAMMABLE INPUT 1 PROGRAMMABLE INPUT 2 GM21079 MODBUS RS485 1. Hinges B (+) 2. Latch A (--) Figure 1-2 ATS Controller Housing MODBUS RS485 B (+) A (--) GM22366 Customer connections Figure 1-4 Terminal Strip TB1 Connections GM21364 1.
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Page 11: Controller Setup
1.4 Controller Setup Choose a unique network address for each device in the network. Type in the address or use the up and down Use a personal computer (PC) running the ATS arrows. Choose the baud rate from the drop-down list. Controller Setup Program to set the address and baud Allowable baud rates are 9600 and 19200 baud. - Page 12 Notes Section 1 Controller Connection and Setup TP-6208 4/03...
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Page 13: Section 2 Modbus Registers
Section 2 Modbus Registers 2.1 Introduction In the following tables all word (16-bit) expressions are integers unless otherwise noted and are shown in This section describes supported Modbusr functions decimal notation unless otherwise noted. Hexadecimal and lists Modbusr registers and message codes. expressions begin with 0x. - Page 14 WORD [0:15]. Represents a 16-bit word that may be Bit 0 Bit 15 divided to contain several items. Bits 0 through 15 are arranged right-to-left, with bit 0 on the right. 0 0 0 Example: Refer to register number 41320, the System Start Date.
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Page 15: Modbus Registers
2.4 Modbus Registers Data Type Register Data Description Access Range/Units 40001 System Overview Word[0:14] 0--1: Contactor Position (00 = Off; 01 = Normal; 10 = Emerg; 11 = Fault) 2: Preferred Source (0 = Source1; 1= Source2) 3--12: Top Event on Warning Stack 13: Preferred Source Available (0 = No, 1 = Yes) 14: Standby Source Available (0 = No, 1 = Yes) 40002... - Page 16 Data Type Register Data Description Access Range/Units 40043 InPhase Monitor Synch (ID 0x000C) Word 1--5999 sec 40044 Reserved for future use Return 0 40045 SourceA Over Volt Dropout Trip Point Word (105 -- 135) % of rated source voltage 40046 SourceA Over Volt Pickup Trip Point Word (95 -- 100)% of over voltage dropout point...
- Page 17 Data Type Register Data Description Access Range/Units 40097 I/O Module 3 Input 2 Word Event Code (see Section 2.5) 40098 I/O Module 4 Input 1 Word Event Code (see Section 2.5) 40099 I/O Module 4 Input 2 Word Event Code (see Section 2.5) 40150 Events 0 -- 19 Word*100...
- Page 18 Data Type Register Data Description Access Range/Units 40750 Before Transfer to Source 1 Mtr Load Discon. Word 0--3600 Sec Output 40751 Before Transfer Source 1 Delay #1 Word 0--3600 Sec 40752 Before Transfer Source 1 Delay #2 Word 0--3600 Sec 40753 Before Transfer Source 1 Delay #3 Word...
- Page 19 Data Type Register Data Description Access Range/Units 40906 Start Time Next Cal. Event Word Minutes since midnight 40907 Start Date Next Cal. Event Word[0:15] 0--4: Day of Month 5--8: Month of Year 9--15: Year + 2000 (2000--2127) 40908 Run Time Next Cal. Event Word 1--5999 Minutes 40910...
- Page 20 Data Type Register Data Description Access Range/Units 41300-- Minutes not in Preferred Total Word * 2 minutes (most significant word first) 41301 41302-- Minutes not in Preferred since Reset Word * 2 minutes (most significant word first) 41303 41304-- Minutes in Standby Total Word * 2 minutes (most significant word first) 41305...
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Page 21: Event Codes
2.5 Event Codes Code Description Failure to Acquire Standby Failure to Transfer End Time Delay Button I/O Module Comms Lost Test Button I/O Module Not Found Exercise Button I/O Module Not Installed Lamp Test Button Aux. Switch Fault Service Required Reset Aux. - Page 22 Event Codes, continued 151--201 Reserved Transfer Mode Changed Partial Meter Read Default History Loaded 203--209 Reserved for future use Default Settings Loaded History Read from EEPROM Default Common Alarms Loaded DCA Read from EEPROM 219--222 Reserved for future use Exercise Time Updated Modbus Force Transfer to Off Network Settings Updated Modbus Peak Shave...
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Page 23: Appendix A Abbreviations
Appendix A Abbreviations The following list contains abbreviations that may appear in this publication. A, amp ampere coml commercial ABDC after bottom dead center Coml/Rec Commercial/Recreational alternating current conn. connection analog to digital cont. continued analog to digital converter CPVC chlorinated polyvinyl chloride adj. - Page 24 gen. generator line circuit breaker genset generator set liquid crystal display ground fault interrupter ld. shd. load shed light emitting diode GND, ground liters per hour gov. governor liters per minute gallons per hour low oil pressure gallons per minute liquefied petroleum grade, gross liquefied petroleum gas...
- Page 25 oversize, overspeed sil. silencer OSHA Occupational Safety and Health Administration serial number overvoltage SPDT single--pole, double--throw ounce SPST single--pole, single--throw p., pp. page, pages spec, specs specification(s) personal computer square printed circuit board sq. cm square centimeter picofarad sq. in. square inch power factor ph., ∅...
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Page 26: Appendix B Noise And Wiring Practices
Appendix B Noise and Wiring Practices Electrical noise is an unwanted electrical signal that can Loads on high-power distribution circuits are nearly cause errors in measurement, loss of control, immune to noise. malfunctions in microprocessor-based control systems, General Purpose Power Distribution. Circuits to errors in data transfer between systems over medium-power loads such as lighting, offices, light- communication... - Page 28 For the nearest sales/service outlet in the US and Canada, phone 1-800-544-2444 KohlerPowerSystems.com Kohler Power Systems Asia Pacific Headquarters TP-6208 4/03a 7 Jurong Pier Road Singapore 619159 E 2002, 2003 by Kohler Co. All rights reserved. Phone (65)264-6422, Fax (65)264-6455...