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Intelligent Technologies
Modbus toQCPort Adapter (D77D-EMA)
Modbus TCP
Serial Modbus RS485
Installation and User Manual
January 2006
Supercedes
November 2004
Intelligent Technologies Modbus to QCPort Adapter Manual
January 2006
MN05002002E (C) For more information visit www.eatonelectrical.com Page 2
Important Notice – Please Read
The product discussed in this literature is subject to terms and conditions outlined in appropriate
Eaton Electrical selling policies. The sole source governing the rights and remedies of any
purchaser of this equipment is the relevant Eaton Electrical selling policy.
NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF FITNESS FOR A
PARTICULAR PURPOSE OR MERCHANTABILITY, OR WARRANTIES ARISING FROM
COURSE OF DEALING OR USAGE OF TRADE, ARE MADE REGARDING THE INFORMATION,
RECOMMENDATIONS AND DESCRIPTIONS CONTAINED HEREIN. In no event will Eaton
Electrical be responsible to the purchaser or user in contract, in tort (including negligence), strict
liability or otherwise for any special, indirect, incidental or consequential damage or loss
whatsoever, including but not limited to damage or loss of use of equipment, plant or power
system, cost of capital, loss of power, additional expenses in the use of existing power facilities, or
claims against the purchaser or user by its customers resulting from the use of the information,
recommendations and descriptions contained herein.
Intelligent Technologies Modbus to QCPort Adapter Manual
January 2006
MN05002002E (C) For more information visit www.eatonelectrical.com Page 3
Table of Contents
PRODUCT OVERVIEW 6
D
ESCRIPTION
6
F
EATURES AND
B
ENEFITS
6
S
AFETY
7
E
NVIRONMENTAL
R
ATINGS
8
A
PPROVALS
/C
ERTIFICATIONS
8
M
ODBUS
S
PECIFICATIONS
9
C
ATALOG
N
UMBERING
S
YSTEM
9
PHYSICAL FEATURES 10
P
HYSICAL
D
ESCRIPTION
10
D
IMENSIONS
11
P
OWER
S
UPPLY
R
EQUIREMENTS
12
OPERATION 13
C
ONNECT TO
M
ODBUS
14
Ethernet 14
Ethernet Server Connections 14
Serial Modbus RS485 16
C
ONFIGURATION
U
SING
CH S
TUDIO
18
CH Studio Component Manager 18
General Tab 20
Configuration Tab 21
Monitor Tab 22
I/O Info Tab 23
Using Another Configuration Tool 23
A
UTO
C
ONFIGURATION
24
Overview 24
Preparation 24
Soft Configuration 25
Hard Configuration 26
S
CANNING
27
A
DDING OR
R
EMOVING
D
EVICES FROM
QCP
ORT
28
R
EPLACING AN
E
XISTING
D
EVICE ON
QCP
ORT
28
T
YPICAL
A
PPLICATION
29
Floating Point Mapping 31
Connection Timeout 31
M
ODBUS
R
EGISTER
M
APPING
32
Control Registers 32
Status Registers 34
IO Register Mapping 36
Sample Modbus IO Register Mapping 36
M
ODBUS
P
ASS
-T
HROUGH
39
Connect Modbus Slaves to Channel A or B 39
Pass-Through Setup 40
Pass-Through On Ethernet using port 2000 and 2001 41
Pass-Through using Registers 43
S
TATUS
LED
S
45
INSTALLATION 47
I
NSTALLATION ON A
DIN R
AIL
48
Install on a DIN Rail (No Backplane) 48
Install on DIN Rail With Backplane 50
R
EPLACE
E
XISTING
M
ODULE
52
C
ONNECT TO
D
EVICES
53
Intelligent Technologies Modbus to QCPort Adapter Manual
January 2006
MN05002002E (C) For more information visit www.eatonelectrical.com Page 4
Connections/Interconnects 53
TROUBLESHOOTING AND MAINTENANCE 55
R
ENEWAL
P
ARTS
55
T
ROUBLESHOOTING
56
APPENDIX A: SUPPORTED MODBUS FUNCTION CODES 57
P
ASS
T
HROUGH
0
X
41 (65) 58
R
ESET
S
ERVICES
0
X
42 (66) 58
APPENDIX B: MODBUS EXCEPTION RESPONSES 59
APPENDIX C: REGISTER MAPPING 61
APPENDIX D MODBUS ADAPTER FAULT LIST 69
TECHNICAL SUPPORT 73
Intelligent Technologies Modbus to QCPort Adapter Manual
January 2006
MN05002002E (C) For more information visit www.eatonelectrical.com Page 5
Table of Figures
Figure 1 Ethernet Cabling..............................................................................................................14
Intelligent Technologies Modbus to QCPort Adapter Manual
January 2006
MN05002002E (C) For more information visit www.eatonelectrical.com Page 6
Product Overview
Description
Eaton Electrical Intelligent Technologies (IT) D77 Modbus Adapter (D77D-EMA) has
greatly increased the functionality of the IT communicating products, allowing monitoring
and control for IT IO and IT motor control devices. The Adapter subscans the devices
and then concentrates all their data into a single Modbus node.
To simplify the configuration of the Modbus Adapter, a simple button press will auto
configure the system for default operation. This feature automatically configures the IO
data into registers in a convenient scan table.
For more information on the IT family of products, visit our web site at:
www.eatonelectrical.com
Features and Benefits
The IT D77D-EMA includes the following significant features:
• Communications to both Modbus TCP and Serial Modbus RS485 within one
device.
• Provides for control of all IT communicating devices connected to the Adapter
• Innovative Pass-Through mode to control Serial Modbus RS485 devices from
Modbus TCP.
• Single button press auto configures the Adapter, setting up the system for default
operation
• Advanced configuration using CH Studio
• 10 Base T connection for Modbus TCP
• DB9 Connection for Serial Modbus RS485
• Two independent QCPort (communication) channels
• Both QCPort channels can be configured as a Serial Modbus master for Pass-
Through
• QCPort powers the Adapter; no need for an extra power supply
• Channel B QCPort Isolated
• Status LEDs
• Provides for configuration of QCPort devices from Ethernet
• Upgradeable firmware
• Small package size
• DIN rail mountable
Intelligent Technologies Modbus to QCPort Adapter Manual
January 2006
MN05002002E (C) For more information visit www.eatonelectrical.com Page 7
Safety
The following safety statements relate to the installation, setup, and operation of the
Eaton Electrical IT Modbus Adapter.
Notice
Make sure you read and understand the installation procedures in this manual
before you attempt to operate or setup the equipment.
Warning
This instruction manual should be used for proper installation, setup, and operation
of the IT Modbus Adapter. Improperly installing and maintaining this product can
result in serious personal injury or property damage. Before attempting installation,
setup or operation, read and understand this entire manual.
Warning
Only apply 24V DC to the Modbus Adapter connectors and terminals. Use of any
other voltage may result in personal injury, property damage, and damage to the IT
Modbus Adapter.
Warning
To provide continued protection against fire or shock hazard, the IT Modbus
Adapter must be replaced if it becomes inoperative.
Intelligent Technologies Modbus to QCPort Adapter Manual
January 2006
MN05002002E (C) For more information visit www.eatonelectrical.com Page 8
Environmental Ratings
Table 1: Environmental Ratings
Category Description Specification
Temperature -50°C to 80°C [-58°F to 176°F]Transportation
and Storage Humidity 5 – 95% non-condensing
Temperature -25°C to 65°C [-13°F to 149°F]
Humidity 5 – 95% non-condensing
Altitude Above 2000 meters [6600 feet] consult factory
Shock
IEC 68-2-27 15G any direction for 11 milliseconds
Operating
Vibration
IEC 68-2-6 5 – 150 Hz, 5G, 0.7 mm maximum peak-to-peak
Approvals/Certifications
Table 2: Approvals/Certifications
Standard Approval/Certification
Electrical/EMC
Electrical/EMC
ESD Immunity (IEC61000-4-2) +/- 8kV air, +/- 4kV contact
Radiated RF (IEC61000-4-3) 10V/m 80-1000 MHz, 80% amplitude
modulation @ 1kHz
Fast Transient (IEC61000-4-4) +/- 2kV supply and control
+/- 1kV communications
Surge (IEC61000-4-5) +/- 1kV line-to-line
+/- 2kV line-to-ground
RF Conducted (IEC61000-4-6) 10V, 0.15 – 80MHz
Magnetic Field (IEC61000-4-8) 30 A/m, 50Hz
Other Standards
Agency Certifications UL 508
CE (Low Voltage Directive)
CUL (CSA C22.2 No. 14)
Radiated and Conducted Emissions EN5011 Class A
Ingress Protection IP20
Modbus Certified
Intelligent Technologies Modbus to QCPort Adapter Manual
January 2006
MN05002002E (C) For more information visit www.eatonelectrical.com Page 9
Modbus Specifications
Table 3: Modbus Specifications
Modbus Connections
Register
IO Scan
10 Modbus TCP Connections (Sockets)
Pass-through Port 2000 and 2001
Max Modbus IO Size 1024 bytes input
1024 bytes output
Serial Modbus RS485 Baud Rate 1200, 2400, 4800, 9600, 19.2K, 38.4K, 57.6K,
115.2K
Modbus Ethernet Baud Rate 10Mb
QCPort Channels 2 Independent Channels
Module Current Draw
Channel A 50mA
Channel B 15 mA
Serial Modbus RS485 0 mA
Catalog Numbering System
There is only one catalog number for the IT D77 Modbus Adapter: D77D-EMA.
Intelligent Technologies Modbus to QCPort Adapter Manual
January 2006
MN05002002E (C) For more information visit www.eatonelectrical.com Page 10
Physical Features
Physical Description
The following figure illustrates the various features of the IT Modbus Adapter (D77D-
EMA).
Table 4: Modbus Adapter (D77D-EMA) Front Features
Table 5: Modbus Adapter (D77D-EMA) Back Features
Table 6: Modbus Adapter (D77D-EMA) Bottom Features
Backplane Connecto
r
CH
A
DIN Rail Latch
TCP LAN LED
A
dapter Status LED
Module Status
Modbus TCP Network Status
Serial Modbus Traffic Status
A
uto Configuration Button
CHA Status
CHB Status
Modbus TCP Connection
Modbus RS485 Port
Module Locking Tab
Serial Baud Rate and
Mode Select
Serial Address Select
CHA CHB CHB
Front
Indice
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