Tescom I-com Series Manuale utente

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i-com SERIES EXTERNAL

UPS – MODBUS (RS485)

COMMUNICATION ADAPTER

(MDX2)

INSTALLATION AND USER MANUAL

Thank you for selecting our product to protect your electrical equipment.

The Modbus adaptor has been designed with the utmost care. We recommend that you take the time to read this

manual to take full advantage of the many features of your new equipment.

Environment

Our staff pays great attention to the environmental impact of its products during the design and manufacture

stages, through to the end of its life cycle.

 This product complies with the most strict regulations.

 It does not contain CFCs or HCFCs

Recycling of packing materials

Packing materials were selected to facilitate recycling. Please make sure they are correctly recycled in

compliance with all applicable regulations.

Special precautions

 If the adaptor must be stored prior to installation, storage must be in a dry place

 The admissible storage temperature range is -10 C to +70 C.

MODBUS Adaptor Models

 MDX2-EX ...... External UPS-MODBUS Adaptor

 MDX2-INT ..... Internal UPS-MODBUS Adaptor

CONTENTS

1. Introduction ..................................................................................................... 1

1.1 Unpacking and Checking Contents ........................................................... 1

1.2 Overview .................................................................................................. 1

1.3 Functions .................................................................................................. 1

1.4 Technical Specifications ........................................................................... 1

2. Installation ....................................................................................................... 2

2.1 Configuration Of The Modbus Communication Parameters ...................... 2

2.2 RS232 Connection to UPS ....................................................................... 2

2.3 RS485 Connection ................................................................................... 3

2.4 Installation ................................................................................................ 4

3. Operation ........................................................................................................ 4

3.1 MC114 PROTOCOL HOLDING REGISTER MAP (for 3 phase UPS) ....... 4

3.2 Indicator Lamp.......................................................................................... 7

4. Troubleshooting .............................................................................................. 7

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1. Introduction

1.1 Unpacking and Checking Contents

EXTERNAL MODBUS ADAPTOR

5 volts DC power supply

RS232 UPS-ADAPTOR cable (CC05)

Utility CD

Installation and user manual

1.2 Overview

1.3 Functions

MODBUS adaptor provides data communication between a UPS and a far terminal like a computer system.

The system provides a communication channel between RS485(PC side) and RS232(UPS side) interface

Note:

 The MODBUS adaptor can be used with UPS models supporting TX301, TX300, and TX100 protocoles.

 2 wires RS485 link is available

1.4 Technical Specifications

Function Parameters Default values

Modbus Baud rate 9600 bauds

Modbus Parity No parity

Modbus Device number 1-255

Modbus connection 2 wires

RS232 Baud rate 2400 bauds

RS232 Parity No parity

RS232 Stop bit 1 stop bit

RS232 Connection to UPS RX,TX,Gnd

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2. Installation

2.1 Configuration Of The Modbus Communication Parameters

The device takes the device number during power on please select device number from 1 to 255 by setting

device number dip switches

Where Dn is the nth dip switch. For example, if we need to set the device’s address to 183 then we need

to set 7th, 5th, 4th, 2nd, 1st, and 0th dip switch pins. The address is calculated using above equation as

follows:

2.2 RS232 Connection to UPS

Connect CC05 RS232 cable from serial port connector of the MODBUS adapter to the serial port of the

UPS.

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CC05 RS232 Data Cable

Max. Length = 25 meters.

parts

pcs

9 pins D type connector (male) 1

9 pins D type connector(female) 1

3 wired shielded cable Max 25 meters

2.3 RS485 Connection

Connect RS485 terminals of the MODBUS

adaptor to RS485 link

The internal MODBUS RS485 port

connection of the adaptor

0volt and +5 volt outputs are dedicated for

polarity resistors do not use this supply for other

purposes.

About Polarity

Normally the master of the network sets the polarity of the line (RP resistor 330 ohm ½ watt)

About termination

The two ends of the line must be terminated (RT resistor 150 ohm ½ watt)

UPS

connector

Pin Nr

PC port

Pin Nr

6 3

7 5

9 2

MODBUS

Adaptor serial port

9 pins D type male

9 pins D type female

6 9

5 3

UPS

Com port

RS485 Connector

0V 5V+ -

+5volt

supply

0volt supply

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Diagram of a two wire RS485 connection

2.4 Installation

Check RS232-UPS, and RS485 connections. If connections are OKAY, connect the power cord of the

MODBUS adapter to mains power (The power of the adapter must be supplied from UPS output

otherwise during line failure the power of the MODBUS adapter shutdown)

3. Operation

Turn on the UPS

During power up the MODBUS adaptor will check the UPS communication version if it supports the

version it will run.

The MDX2 MODBUS adaptor supports TX100, TX300 and TX301 UPS communication protocols.

For Test Purpose download MODBUS tester program from the link http://www.modbus.pl/modbus.htm

4. Indicator Lamp

The indicator lamps on the MODBUS adaptor shows the status of communication.

Indicator lamp functions

Lamp status Description

RS232 led (green) Always on Adaptor power on and UPS RS232 connection is lost

False status

RS232 led Regular Blink Adaptor is communicating with UPS

RS232 led Irregular blinking Adaptor do not support some UPS commands

MODBUS led (yellow) Always on Adaptor power on and MODBUS connection is lost

False status

MODBUS led Regular Blink Adaptor is communicating with MODBUS Network

ALARM led Always off

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 TX300 PROTOCOL HOLDING REGISTER map (for 3 phase UPS)

MEASUREMENT GROUP (TX300 PROTOCOL)

Addr

Parameter Unit PROTOCOL Min-max

0 RECTIFIER INPUT VOLTAGE 1 phase-neutral ( * ) V P1 0-511

1 RECTIFIER INPUT VOLTAGE 2 phase-neutral ( * ) V P1 0-511

2 RECTIFIER INPUT VOLTAGE 3 phase-neutral ( * ) V P1 0-511

3 Not used

4 Not used

5 Not used

6 BYPASS INPUT VOLTAGE 1 phase-phase Not used

7 BYPASS INPUT VOLTAGE 2 phase-phase Not used

8 BYPASS INPUT VOLTAGE 3 phase-phase Not used

9 BYPASS INPUT VOLTAGE 1 phase-neutral V P2 0-511

10 BYPASS INPUT VOLTAGE 2 phase-neutral V P2 0-511

11 BYPASS INPUT VOLTAGE 3 phase-neutral V P2 0-511

12 INVERTER OUTPUT VOLTAGE 1 phase-phase Not used

13 INVERTER OUTPUT VOLTAGE 2 phase-phase Not used

14 INVERTER OUTPUT VOLTAGE 3 phase-phase Not used

15 INVERTER OUTPUT VOLTAGE 1 phase-neutral Not used

16 INVERTER OUTPUT VOLTAGE 2 phase-neutral Not used

17 INVERTER OUTPUT VOLTAGE 3 phase-neutral Not used

18 OUTPUT VOLTAGE 1 phase-phase Not used

19 OUTPUT VOLTAGE 2 phase-phase Not used

20 OUTPUT VOLTAGE 3 phase-phase Not used

21 OUTPUT VOLTAGE 1 phase-neutral (Bypass) V P2 0-255

22 OUTPUT VOLTAGE 2 phase-neutral (Bypass) V P2 0-255

23 OUTPUT VOLTAGE 3 phase-neutral (Bypass) V P2 0-255

24 RECTIFIER INPUT FREQUENCY Not used

25 BYPASS FREQUENCY Hz * 10 P1 0-999

26 INVERTER FREQUENCY Not used

27 OUTPUT FREQUENCY (Bypass Freq. if Bypass) Hz * 10 P1 0-999

28 INPUT CURRENT PHASE 1 (if option board is used) A P2 0-511

29 INPUT CURRENT PHASE 2 (if option board is used) A P2 0-511

30 INPUT CURRENT PHASE 3 (if option board is used) A P2 0-511

31 OUTPUT CURRENT 1 Not used

32 OUTPUT CURRENT 2 Not used

33 OUTPUT CURRENT 3 Not used

34 OUTPUT LOAD% 1 percentage % LOAD P2 0-255

35 OUTPUT LOAD% 2 percentage % LOAD P2 0-255

36 OUTPUT LOAD% 3 percentage % LOAD P2 0-255

37 TOTAL BATTERY VOLTAGE V P1 0-511

38 BATTERY CHARGE CURRENT Not used

39 BATTERY DISCHARGE CURRENT Not used

40 UPS INSIDE TEMPERATURE Deg*10 P1 (if sensor used) 0-255

41 DEVICE NOMINAL ACTIVE POWER W/100 F2 0-65535

42 DEVICE INPUT PHASES F2 1-3

43 DEVICE OUTPUT PHASES F2 1-3

44 DEVICE NOMINAL INPUT VOLTAGE V F2

45 DEVICE NOMINAL INPUT FREQUENCY Hz F2

46 NOMINAL BYPASS VOLTS V F2

47 NOMINAL BYPASS FREQUENCY Hz F2

48 NOMINAL OUTPUT VOLTAGE V F2

49 NOMINAL OUTPUT FREQUENCY Hz F2

( * ) : If split by-pass used, Rectifier Input Voltage indicates phase – phase.

50 NUMBER OF 12 VOLT BATTERIES F2 0-255

51 FAULT OR STATUS CODE P1 0-255

52 DEVICE CONFIGURATION F2 0-1

53 DEVICE TYPE F2 0-1

54 BYPASS CONFIGURATION F2 0-1

55 BATTERY CONFIGURATION F2 0-1

56 UPS PROTOCOL 0:TX100, 1:TX300, 2:MC114 (I/VVV) 0-255

57 MODBUS adaptor revision number 0-255

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ALARM AND STATUS GROUP BIT MEANING (TX300 PROTOCOL)

Addr Alarms BIT Description

100 inverter heatsink overtemp ( >85

C ) 7(128) 1=ALARM 0=NORMAL

100 inverter output voltage high ( >242V ) 6(64) 1=ALARM 0=NORMAL

100 inverter output voltage low ( <170V ) 5(32) 1=ALARM 0=NORMAL

100 output overload (>%150) 4(16) 1=ALARM 0=NORMAL

100 battery voltage high 3(8) 1=ALARM 0=NORMAL

100 IGBT overcurrent 2(4) 1=ALARM 0=NORMAL

100 Phase synchron bad 1(2) 0=SYNCHRON 1=FREE RUNNING

100 Bypass voltage bad ( 198V - 242V ) 0(1) 1=ALARM 0=NORMAL

101 General UPS alarm 7(128) 1=ALARM 0=NORMAL

101 Output off 6(64) 1=ALARM 0=NORMAL

101 fuse failure 5(32) 1=ALARM 0=NORMAL

101 battery cicuit breaker open (S5) 4(16) 1=ALARM 0=NORMAL

101 replace batteries 3(8) 1=ALARM 0=NORMAL

101 performing boost charge ( +432Vdc ) 2(4) 1=ALARM 0=NORMAL

101 rotate rectifier input phases 1(2) 1=ALARM 0=NORMAL

101 Emergency stop (Output OFF) 0(1) 1=ALARM 0=NORMAL

102 Maintenance bypass 7(128) 1=ALARM 0=NORMAL

102 Manual static bypass 6(64) 1=ALARM 0=NORMAL

102 Rectifier fault 5(32) 1=ALARM 0=NORMAL

102 mains failure on rectifier input 4(16) 1=ALARM 0=NORMAL

102 battery voltage low 3(8) 1=ALARM 0=NORMAL

102 load on bypass 2(4) 1=ON BYPASS 0=ON INVERTER

102 UPS fault 1(2) 1=ALARM 0=NORMAL

102 performing battery test 0(1) 1=PERFORMING TEST O=NORMAL

103 waiting shutdown or UPS shutdown 7(128) 1=ALARM 0=NORMAL

103 beeper off/on 6(64) 1=OFF 0=ON

103 Fan failure 5(32) Not used

103 End off backup time (Battery out end) 4(16) 1=ALARM 0=NORMAL

103 3(8) NU

103 2(4) NU

103 1(2) NU

103 0(1) NU

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