HORNER DeviceNet HE300DNT100 User manual

User’s Manual for the
HE300DNT100
DeviceNetOption
Board
Fourth Edition
December 5, 1997
MAN0016-04
REVISIONS ATTACHED AFTER PAGE 38.

PREFACE 12-5-1997 PAGE 2
PREFACE
This manual explains how to use the Horner APG Communications Option Cards for use with the GE
Drives AF-300E$ and IMO JaguarVX Variable Frequency Drives.
Copyright (C) 1997 Horner APG ,LLC., 640 North Sherman Drive, Indianapolis Indiana 46201-3899. All
rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a
retrieval system, or translated into any language or computer language, in any form by any means,
electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior agreement and
written permission of Horner APG, LLC.
All software described in this document or media is also copyrighted material subject to the terms and
conditions of the Horner Software License Agreement.
Information in this document is subject to change without notice and does not represent a commitment on
the part of Horner APG, LLC.
The safety precautions shown in Chapter 2 have been based on the safety precautions shown in Section
1 of the GE AF-300E$Instruction Manual.
AF-300E$is a trademark of the General Electric Company.
JaguarVX is a trademark of IMO
DeviceNetis a trademark of the Open DeviceNet Vendor Association (OVDA), Inc.

PAGE 3 12-5-97 PREFACE
LIMITED WARRANTY AND LIMITATION OF LIABILITY
Horner APG, LLC. ("HE-APG") warrants to the original purchaser that the Option Card manufactured by
HE-APG is free from defects in material and workmanship under normal use and service. The obligation
of HE-APG under this warranty shall be limited to the repair or exchange of any part or parts which may
prove defective under normal use and service within two (2) years from the date of manufacture or
eighteen (18) months from the date of installation by the original purchaser whichever occurs first, such
defect to be disclosed to the satisfaction of HE-APG after examination by HE-APG of the allegedly
defective part or parts. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES
EXPRESSED OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR USE AND OF ALL OTHER OBLIGATIONS OR LIABILITIES AND HE-APG NEITHER ASSUMES,
NOR AUTHORIZES ANY OTHER PERSON TO ASSUME FOR HE-APG, ANY OTHER LIABILITY IN
CONNECTION WITH THE SALE OF THIS OPTION CARD. THIS WARRANTY SHALL NOT APPLY TO
THIS OPTION CARD OR ANY PART THEREOF WHICH HAS BEEN SUBJECT TO ACCIDENT,
NEGLIGENCE, ALTERATION, ABUSE, OR MISUSE. HE-APG MAKES NO WARRANTY
WHATSOEVER IN RESPECT TO ACCESSORIES OR PARTS NOT SUPPLIED BY HE-APG. THE
TERM "ORIGINAL PURCHASER", AS USED IN THIS WARRANTY, SHALL BE DEEMED TO MEAN
THAT PERSON FOR WHOM THE OPTION CARD IS ORIGINALLY INSTALLED. THIS WARRANTY
SHALL APPLY ONLY WITHIN THE BOUNDARIES OF THE CONTINENTAL UNITED STATES.
In no event, whether as a result of breach of contract, warranty, tort (including negligence) or otherwise,
shall HE-APG or its suppliers be liable of any special, consequential, incidental or penal damages
including, but not limited to, loss of profit or revenues, loss of use of the products or any associated
equipment, damage to associated equipment, cost of capital, cost of substitute products, facilities,
services or replacement power, down time costs, or claims of original purchaser's customers for such
damages.
To obtain warranty service, return the product to your distributor with a description of the
problem, proof of purchase, post paid, insured and in a suitable package.
ABOUT PROGRAMMING EXAMPLES
Any example programs and program segments in this manual or provided on accompanying diskettes are
included solely for illustrative purposes. Due to the many variables and requirements associated with any
particular installation, Horner APG, LLC. cannot assume responsibility or liability for actual use based on
the examples and diagrams. It is the sole responsibility of the system designer utilizing the Option Card
to appropriately design the end system, to appropriately integrate the Option Card and to make safety
provisions for the end equipment as is usual and customary in industrial applications as defined in any
codes or standards which apply.
Note: The programming examples shown in this manual are for
illustrative purposes only. Proper machine operation is the sole
responsibility of the system integrator.

PREFACE 12-5-1997 PAGE 4
TABLE OF CONTENTS
PREFACE Page 2
CHAPTER 1: INTRODUCTION
Overview......Page 6
Additional Information .....Page 6
Mechanical Description .....Page 6
ElectricalDescription.....Page 6
DeviceNetDescription.....Page 6
Network Power Consumption Page 7
Response Time Page 7
Connection Page 7
Configuration Page 7
Introduction to DeviceNet....Page 7
CHAPTER 2: INSTALLATION
InstallationHardware.....Page 8
Installation Procedure For Drives Under 40 H.P. . . Page 8
Installation Procedure For Drives 40 H.P. or More . Page 11
SafetyPrecautions.....Page 13
DeviceNetCable .....Page 16
Manual Override Connection ....Page 17
CHAPTER 3: OPERATION
Power-up......Page 18
Function Codes......Page 18
Manual/Automatic Mode.....Page 19
DeviceNetControl .....Page 20
I/OAssemblyFormat.....Page 20
Loss of Network Page 23
Lockout State Page 24
CHAPTER 4: CONFIGURATION
SettingtheDriveOptionParameters...Page 25
Option Function Codes (DeviceNetConfiguration) . Page 26
Inverter Function Codes (Drive Configuration) . . Page 27
Electronic Data Sheet (EDS) File ...Page 27
CHAPTER 5: FAULTS/DIAGNOSTICS
OptionCardFaults(ER5)....Page 28
DeviceNetMessage Errors ....Page 28
APPENDIX A: DRIVE PARAMETERS
DriveParameters.....Page 30
DataFormats......Page 34

PAGE 5 12-5-97 PREFACE
PAGE INTENTIONALLY LEFT BLANK

CHAPTER 1: INTRODUCTION 12-5-97 PAGE 6
CHAPTER 1: INTRODUCTION
1.1 Overview
1.1.1 The HE300DNT100 is a plug-in Option card to the GE AF300E$or IMO JaguarVX Inverter
which allows remote control of a drive through the DeviceNetnetwork. This Option card allows network
access to the Inverter’s configuration, control and status parameters. Configuration parameters may be
accessed either remotely over the network or through the local keypad. Similarly, control and status
parameters may be accessed through the high-speed DeviceNet“Polled” logical connection or through
the local terminal and keypad. Manual override contacts are provided on the Option card, which allow
real-time selection of either remote or local control.
1.1.2 The supported DeviceNetservice is a Group-2-server-only with a single Poll Data I/O
connection with fragmentation. This is a predefined master/slave protocol supported by almost all
DeviceNetscanners. A DeviceNetPolled connection watchdog timer is provided such that a loss of
communications will shut down the drive. Network configuration and connection error diagnostic
information is available in an “option” function code, which is accessible through the Inverter’s keypad.
2.1 Additional Information
2.1.1 Inverter wiring, configuration and operation are included with the manuals supplied with the
Inverter.
3.1 Mechanical Description
3.1.1 The HE300DNT100 Option Board is a printed circuit assembly that mounts inside the housing of
the Inverter. It connects to the Inverter through a multiple-pin connector, which is located under the front
cover and next to the keypad connector. It also has a Phoenix-type 6-pin I/O vertical receptacle
connector (Horner APG, LLC. provides the matching 6-pin screw terminal connector) which is used to
connect a DeviceNetcable (dual twisted pairs with shield). In addition, a Phoenix-type 2-pin screw
terminal, which is used to connect an optional remote override switch, is provided.
4.1 Electrical Description
4.1.1 The Option Board contains its own microprocessor and memory. It communicates with the
Inverter through a provided serial communications channel. This serial communications channel provides
access to the drive’s control, status and configuration parameters. An internal watchdog timer and
network diagnostics are provided. Connectors are provided for the DeviceNetand manual override
connections.
5.1 DeviceNet Description
5.1.1 DeviceNetCommunication Compliance:
•Conforms to DeviceNetstandard Volume I Rel 1.3 and Volume II Rel. 1.2,
•Group 2 Server Only - Supporting Explicit and Polled I/O connections,Generic Profile,
•Node Isolation consuming bus power only for communications isolation,
•Pluggable bus connector
•Keypad configurable Mac Id (no default can be established),
•Keypad configurable Baud rate (no default can be established)

PAGE 7 12-5-97 CHAPTER 1: INTRODUCTION
6.1 Network Power Consumption
6.1.1 Each option card requires a maximum of 95mA @ 11VDC of DeviceNetnetwork power for the
transceiver circuit. Input voltage range is from 11VDC to 24VDC
7.1 Response times (@500K baud):
Poll response < 1mS (consume 4 byte/produce 12 byte)
Explicit response
Typical < 500uS
Maximum < 400mS (Inverter parameter access)
8.1 Connections: Produced Consumed
Explicit message: 20 bytes (maximum) 24 bytes (maximum)
Poll message: 12 bytes (expandable to 14) 4 bytes (expandable to 8)
9.1 Configuration:
9.1.1 The Card is configurable locally through the drive keypad or remotely through the network.The
EDS file is provided for DeviceNetconfiguration programs such as DeviceNetManager.
10.1 Introduction to DeviceNet
10.1.1 DeviceNet™ is a high-speed twisted pair + power pair + Shield network primarily used to
retrieve low level I/O data. In addition to accessing I/O, the network can be used to configure and modify
operation of a remote node. By conforming to the DeviceNetspecification, low-level devices from
multiple venders can co-exist on the same network and be accessed from the same high- level device.
10.1.2 A DeviceNetnetwork can support up to 64 nodes on a single network. Baud rates of 125, 250
and 500kbaud can be selected, based on the total span of the network. The network is typically
configured in a Trunkline-dropline, which allows node removal without terminating the network.
10.1.3 Typical DeviceNetinstallations require a high-level device or master to access the data from
low-level devices. Low-level devices, which simply control local hardware, are usually Group-2-Only
Server devices. A Group-2-Only-Server device provides the protocol services of the Predefined
Master/Slave Connection Set. While DeviceNetprovides many connections and services, the
Predefined Master/Slave Connection Set provides a limited and known subset of services which are
sufficient and simple to access through most DeviceNetScanners. The Master is high-level device,
which is used to establish communication, initiate communication and transfer data with the low-level
slave devices. A scanner is a type of master which is used to access data from a slave device in real-
time. However, other masters may also exist such as a device which is used as a low-level device
configuration tool (i.e. DeviceNetManager). A low-
level device which supports Group-2-Only-Server services can only be connected to one master at a time.
10.1.4 The typical connections provided by a Group-2-Server-Only devices are Explicit, Polled and
Strobed. An Explicit connection is typically considered a low priority connection, which provides access
to all the device’s parameters accessible over the network. An Explicit connection is also required to start
both the Polled and Bit-Strobed connections. A Polled connection is a higher priority and high-speed
connection that moves small amounts of I/O data on a consistent basis. A Bit-Strobed connection is a
higher priority connection that broadcasts control information in one packet for all low-level devices on the
network. The HE300DNT100 only supports the Explicit and Polled connections.

CHAPTER 2: INSTALLATION 12-5-97 PAGE 8
CHAPTER 2: INSTALLATION
2.1 Installation Hardware
a) The option card.
b) One HE300KIT399 (consisting of one 0.5 inch plastic standoff, one M3 x 5
screw and one lock washer) for drives under 40 hp.
c) One HE300KIT401 (consisting of one 0.63 inch metal standoff, one metal
bracket, two plastic fasteners, four M3 x 5 screws and four lock washers) for
drives 40 hp and larger.
d) This document (User’s Manual for the HE300DNT100).
2.2 Installation Procedure for Drives Under 40 H.P.
2.2.1 The Communications Option Cards have been designed to integrate seamlessly with
the Inverter. The option card is installed within the inverter cover, so that the NEMA rating of the
inverter is maintained after installation of the option card.
1. Power down the inverter.
2. Remove the cover the inverter as shown in the diagram below.
Figure 2-1. Drive Front Cover Removal Procedure

PAGE 9 12-5-97 CHAPTER 2: INSTALLATION
3. Install the supplied plastic 1/2" standoff (A') in hole (A).
Figure 2-2. Drive Mounting Holes and Connectors (left), Mounting Hardware (center, not to
scale), and Option Card Location (right).
Drive shown above is 1/2HP, viewed from the front.
4. Install the HE300 option board. Use the plastic guides (B) to properly align the bottom of
the option board. Snap the option board into the standoff (A') and option connector (C).
5. Install the supplied M3 x 5 screw (D') with washer in hole D to secure the option board.
6. Verify that jumper JP4 is in place.
7. After inserting the Phoenix-type connector into the proper receptacle (P1), completing
field wiring to the terminal strip(s) and installing the manual override connection wires and
capacitor, replace the front cover.
8. Power up the drive as needed.

CHAPTER 2: INSTALLATION 12-5-97 PAGE 10
Figure 2-3. Installing the Option Board (Side View of 1/2HP drive shown.)

PAGE 11 12-5-97 CHAPTER 2: INSTALLATION
2.3 Installation Procedure for Drives 40 H.P. or More
2.3.1 The Communications Option Cards have been designed to integrate seamlessly with
the inverter. The option card is installed within the drive cover, so that the NEMA rating of the
drive is maintained after installation of the option card.
1. Power down the drive.
2. Remove the cover from the inverter using the 11 screws on the front panel.
3. Remove the keypad and the keypad mounting plastic (4 screws) shown below.
Figure 2-4. Drive Keypad, Keypad Mounting Plastic and Option Card Location.
Drive shown above is 40HP, viewed from the front.
4. Install corner brackets (A') on bottom corners of interface board (A).
Keypad
Keypad
Mounting
Plastic
Option Card located under
Keypad mounting plastic

CHAPTER 2: INSTALLATION 12-5-97 PAGE 12
5. Install corner brackets (A') on metal bracket (B') using the supplied M3 x 5 screws and
lock washers in the corner bracket mounting holes (C).
Figure 2-5. Option Card Assembly front (above) and side view (right).
E
A’
A
C
A
B’
E
E
123456
V-
C-
SHD
C+
V+

PAGE 13 12-5-97 CHAPTER 2: INSTALLATION
7. Install the assembled board into the drive using the M3 x 5 screws and lock washers in
the mounting holes (E). If you used the plastic standoff in the upper right hand corner of
the board you may need to use one of the M3 x 5 screws from the HE300KIT399.
8. Verify that jumper JP4 is installed.
9. Replace the keypad mounting plastic and the keypad.
10. After inserting the Phoenix-type connector into the proper receptacle (P1), completing
field wiring to the terminal strip(s) and installing the manual override connection wires and
capacitor, replace the front cover.
11. Power up the drive as needed.
Note: The metal standoff included with the HE300KIT401 can be used in place of the plastic
standoff that comes with the drive. The plastic standoff is the preferred method of installation, but
if the metal standoff is to be used, the steps below should be followed.
1. Once the keypad and keypad mounting plastic is removed, remove the plastic standoff in
the upper right corner of the drive board by holding the screw under the standoff with
your finger, while unscrewing the plastic standoff.
2. Once the standoff is removed, screw on the metal standoff that is supplied with the
HE300KIT401.
3. Do not remove the DC-to-DC converter as stated in step 6. Instead press the interface
board down onto the metal standoff until it snaps into place.
4. To remove the board you may need to use a pair of fine tipped pliers to squeeze the tip of
the metal standoff together in order for the board to snap off of the standoff. To get to the
tip of the standoff you may need to remove the DC-to-DC converter as stated in step 6.
2.4 Safety Precautions
2.4.1 WARNING – MECHANICAL MOTION HAZARD: Drive systems cause
mechanical motion. It is the responsibility of the user to insure that any such motion does
not result in an unsafe condition. Factory provided interlocks and operating limits should
not be bypassed or modified.
2.4.2 WARNING – ELECTRICAL SHOCK AND BURN HAZARD: When using
instruments such as oscilloscopes to work on live equipment, the oscilloscope’s chassis
should be grounded and the differential amplifier input should be used. Care should be
used in the selection of probes and leads and in the adjustment of the oscilloscope so that
accurate readings may be made. See instruments manufacturer’s instruction book for
proper operation and adjustments to the instrument.
2.4.3 WARNING – FIRE AND EXPLOSION HAZARD: Fires or explosions might
result from mounting Drives in hazardous areas such as locations where flammable or
combustible vapors or dusts are present. Drives should be installed away from hazardous
areas, even if used with motors suitable for use in these locations.

CHAPTER 2: INSTALLATION 12-5-97 PAGE 14
2.4.4 WARNING – STRAIN HAZARD: Improper lifting practices can cause
serious or fatal injury. Lift only with adequate equipment and trained personnel.
2.4.5 WARNING – ELECTRICAL SHOCK HAZARD: All motor bases and
equipment enclosure housings should be grounded in accordance with the National
Electric Code or equivalent.
2.4.6 WARNING – MOTOR OVERSPEED HAZARD: With 400 Hz Drive output
possible, the Drive will allow the motor to run up to 6-7 times its base speed. Never
operate the motor above its top mechanical speed or a catastrophic failure may occur.
2.4.7 WARNING – Before disassembling, disconnect and lock out power from the
Drive. Failure to disconnect power may result in death or serious injury. A bus charge
light provides visual indication that bus voltage is present; verify the bus voltage level by
measuring the voltage between power terminals P(+) and N(-) using an analog meter. Do
not attempt to service the Drive until the charge indicator has extinguished and the bus
voltage has discharged to zero volts.
2.4.8 WARNING – Replace all covers before applying power to the Drive. Failure to
do so may result in death or serious injury.
2.4.9 CAUTION: Do not connect power supply voltage that exceeds the standard
specification voltage fluctuation permissible. If excessive voltage is applied to the Drive,
damage to the internal components will result.
2.4.10 CAUTION: Do not connect power supply to the output terminals (U,V,W).
Connect power supply only to the power terminals (L1, L2, L3).
2.4.11 CAUTION: Do not connect a power supply to the control circuit terminals
(except 30A, B, C, maximum rating 250 volts, 0.3A ac/dc).
2.4.12 CAUTION: For RUN and STOP, use the FWD-CM (forward) and REV-CM
(reverse) terminals. Do not use a contactor (ON/OFF) installed on the line side of the Drive
for RUN and STOP.
2.4.13 CAUTION: Do not use a switch on the output side of the Drive for ON/OFF
operation.
2.4.14 CAUTION: Do not connect filter capacitors on the output side of the Drive.
2.4.15 CAUTION: Do not operate the Drive without the ground wire connected. The
motor chassis should be grounded to earth through a ground lead separate from all other
equipment ground leads to prevent noise coupling. The grounding connector shall be
sized in accordance with the NEC or Canadian Electrical Code. The connection shall be
made by a UL listed or CSA certified closed-loop terminal connector sized for the wire
gauge involved. The connector is to be fixed using the crimp tool specified by the
connector manufacturer.
2.4.16 CAUTION: Do not perform a megger test between the Drive terminals or on the
control circuit terminals.

PAGE 15 12-5-97 CHAPTER 2: INSTALLATION
2.4.17 CAUTION: The drive develops an adjustable frequency via pulse width
modulation, with the pulse rise time of 0.1 microseconds. While this does not present a
problem on 200-230VaC applications, it may on 380-460Vac applications. When using the
drives on 380-460, where the distance between the motor and the Drive exceeds 60 feet,
get the motor manufacturer’s approval that his insulation system can withstand the
voltage spikes (up to twice the dc bus voltage 2 x 621Vdc for a 460Vac power source) of
the Drive, in conjunction with the long motor cable lengths. If the insulation system does
not meet this limit, utilize a filter to increase the Drive’s pulse rise time to 1.0
microseconds.
When using the drives on 575Vac, get the motor manufacturer’s approval that their
insulation system can withstand the voltage spikes (up to twice the dc bus voltage 2 x
813Vdc for a 575Vac power source) of the Drive, in conjunction with the motor cable
lengths.
2.4.18 CAUTION: Because the ambient temperature greatly affects Drive life and
reliability, do not install the Drive in any location that exceeds the allowable temperatures.
Leave the ventilation cover attached for temperatures of between 40 (104°F) and 50 (122°
F) degrees C (30 HP and lower). If the cover needs to be removed, another type of
enclosure may be required for safety purposes.
2.4.19 CAUTION: If the Drive’s Fault Alarm is activated, consult the
TROUBLESHOOTING section of the AF-300$GE Drive Instruction Book, and after
correcting the problem, resume operation. Do not reset the alarm automatically by
external sequence, etc.
2.4.20 CAUTION: Be sure to remove the desicant dryer packet(s) when unpacking the
Drive. (If not removed these packets may become lodged in the fan or air passages and
cause the Drive to overheat.)
2.4.21 CAUTION: AC induction motors require that they be sized based on the
applications speed range and associated torque requirements for the motor-Drive system.
This is to avoid excessive motor heating. Observe motor manufacturers
recommendations when operating any ac induction motor with the Drive. Also observe
motor manufacturer’s recommended voltage/torque boost at lower operating frequencies.
2.4.22 CAUTION: The available power source connected to the Drive is not to exceed
500KVA. If the ac power source is greater than 500KVA and the Driver’s rating (HP) is less
than 10% of the power source’s KVA; ac line reactors will have to be installed in L1, L2 &
L3 power leads of the Drive.
2.4.23 CAUTION: The Drive must be mounted on a wall that is constructed of heat
resistant material. While the Drive is operating, the temperature of the Drive’s cooling fins
can rise to a temperature of 90°C (194°F).

CHAPTER 2: INSTALLATION 12-5-97 PAGE 16
2.5 DeviceNetCable
The DeviceNetcable to be used in conjunction with the HE300DNT100 should be a dual
twisted pair with shield. The printed circuit assembly contains a Phoenix-type 6-pin I/O vertical
receptacle connector. Also included with the printed circuit assembly is a Phoenix-type 6-pin
screw terminal connector. Shown below are diagrams of these connectors, which indicate the
proper pin-outs.
Figure 2-6. Phoenix 6-pin I/O vertical Receptacle (located on
printed circuit assembly) and 6-pin screw terminal connector.
Figure 2-7. Example DeviceNetnetwork connection with three slaves (DNT100’s)
and 1 master (DNT250). Note: Terminating resistors exist on each end of the
network.
123456
V-
C-
SHD
C+
V+
V+
C+
Shield
C-
V-
GND
connector
120120
DNT250
(
Master
)
DNT100
(
Slave
)
DNT100
(
Slave
)
DNT100
(
Slave
)
Terminating
Resistor
Terminating
Resistor
Shield
Power Supply Positive Voltage
Power Supply Ground
C +
C -

PAGE 17 12-5-97 CHAPTER 2: INSTALLATION
2.6 Manual Override Connections
2.6.1 Two modes of operation are provided (manual/automatic) which are controllable by a set
of contacts on the Option card. Automatic mode allows control of the Inverter over the network.
Manual mode provides local control of the Inverter through the terminal board and keypad. The
contacts provided on the printed circuit assembly come in the form of a 2-screw terminal block
(P2), which is shown below. When the contacts are open, the HE300DNT100 is in manual mode.
When the contacts are closed, the HE300DNT100 is in automatic mode. Horner APG, LLC.
recommends using a twisted pair with shield for the contact wires. The ground included
with the twisted pair may be connected to earth ground. As an added precaution against noise
and faulty operation, Horner APG, LLC. recommends using a capacitor directly across the
screw terminals to reduce noise. A capacitor in the range of 0.1uF should be sufficient.
Figure 2-8. Location of Manual Override connection location.
123456
V-
C-
SHD
C+
V+
2-screw
terminal block
(P2)

CHAPTER 3: OPERATION 12-5-97 PAGE 18
CHAPTER 3: OPERATION
3.1 Power Up
3.1.1 At power-up, the HE300DNT100 Option card examines the keypad “option” function codes
(P0x) associated with the DeviceNetconfiguration. This is a basic check only to determine if the
parameters are within range for valid network operation. The following checks are made:
P01: Station Id < 64
P02: Baud Rate < 3
P03: 1’s position: I/O Assembly length selection < 3
10’s position: Loss-of-Network selection < 3
P04-P06: Option parameters within acceptable range (if enabled)
3.1.2 Should any of these tests fail, the Option card will immediately Er5 with the appropriate error
response placed in P00 (if enabled). Furthermore, the drive cannot be started regardless of the state of
the manual override until these parameters are corrected. If there are DeviceNetparameters that are
out of bounds, the user should re-configure using the configuration sequence described below.
3.1.3 Once the option function parameters are verified, the Option card will initialize the DeviceNet
port with the associated “option” function codes, and then it will examine the state of the manual override
contacts. If the contacts are open, the option card will toggle to manual mode and the Inverter will
assume the state as defined by the keypad and the local terminal contacts, regardless of any network
errors.
3.1.4 If the contacts are closed, the option card will toggle to automatic mode and will hold the
Inverter at ‘STOP’ for a short delay until the network becomes active. Once active, the network provides
the parameters that control the drive. Should the network not become active within the delay period, a
predefined action specified by the Loss-of-Network parameter will take effect (fault drive, nothing or
switch to terminal control).
3.2 Function Codes (Inverter and DeviceNetConfiguration Parameters)
3.2.1 Before a drive can be started, the Inverter’s function codes must be initialized. These function
codes define the Inverter’s operation and are defined in the Inverter’s Instruction Manual. Inverter
function codes are stored in EEPROM and may be configured either with the keypad or over DeviceNet
with a configuration tool such as DeviceNetManager. If configured over DeviceNet, the function code
being modified must be Application Object Attribute number. If using DeviceNet Manager, the supplied
EDS file will perform this translation automatically. If using an alternate method, a translation will be
required using the configuration information contained in Appendix A. Before using either configuration
method, the DeviceNet“option” function codes must be first configured by keypad to enable the
network.
3.2.2 When an option card such as the HE300DNT100 is installed in the Inverter, an extra set of
function codes not defined in the Inverter’s instruction manual will appear at the end of the function code
list when examined with the keypad. These codes are referred to as “option” function codes and will be
prefixed with a “P”. These option function codes are used to store and display configuration parameters,
which are dedicated to the installed option card. The HE300DNT100 uses only the first 8 of the option
parameters. These parameters are also stored in the Inverter’s EEPROM and will be “remembered” even
if the option card is changed out.
3.2.3 The first option function code (P00) is used as a DeviceNeterror indicator when an Er5
occurs. The user can then use the keypad to examine that code to determine the nature of the error.
WARNING: Since EEPROMs have a limited write life (in the order of
100,000 writes), continuous writing to the P00 Option function code can
cause premature failure of the configuration memory.

PAGE 19 12-5-97 CHAPTER 3: OPERATION
3.2.4 The Option card writes to the “option” function code P00 to indicate the specific error whenever
a network fault occurs. If network faults occur frequently as part of normal operation, this feature should
be disabled to save the Inverter’s EEPROM memory. To disable this feature, temporarily set the Option
card to manual mode and set the value in P00 to 255 with the keypad. Should a network error occur later
with this code disabled, it can be re-enabled to display the error as long as the network error condition still
exists. To re-enable, temporarily set the mode to manual and use the keypad to set P00 to zero. Next,
set the mode back to automatic to re-generate the error code which will appear in the P00 function code
value.
3.3 Manual/Automatic Mode
3.3.1 Two modes of operation are provided (manual/automatic) by the HE300DNT100, which are
controllable by a set of contacts on the Option card. Automatic mode allows control of the Inverter over
the network and Manual mode provides local control of the Inverter through the terminal board and
keypad.
3.3.2 The mode can be changed during normal operation; however, precautions should be observed
to prevent adverse motor changes. Both the Option board and the Inverter maintain a separate set
of control parameters. The set that is selected is dependent on the current mode. Additionally, if
the selected mode is such that a set of control parameters may be not directly controlling the Inverter,
they may still be changed and stored in memory. For example, DeviceNetPoll message bytes 0 and 1
are written to a pseudo-terminal block word, which in effect emulates contact closures on the Inverter’s
terminal when the unit is in automatic mode. In manual mode, the pseudo-terminal contact word can still
be changed with a DeviceNetPoll message. It will be maintained and take effect once switched back to
manual (assuming Poll connection is maintained).
3.3.3 While the Inverter’s function parameters are always readable from either the keypad or the
DeviceNetPoll message, the current mode affects which has write access. Table 3.1 summarizes
access to the control and function parameter in the two modes:
Table 3-1. Mode selection parameter access.
Manual Automatic
Terminal Board Active Inactive
Network Pseudo Terminal* Inactive (memory) Active
Local Freq. Control** Active Inactive (memory)
Network Freq. Control Inactive(memory) Active
Keypad Parameter Access Read + Write Read Only
Network Parameter Access Read Only Read + Write
* Keypad “Start” button can be assigned for final start control even under network control.
The Keypad “Stop” button functions as an emergency stop even under network control.
** Local frequency control can be assigned to either the keypad or terminal analog input.
3.3.4 Both the local frequency display and the Poll message response (Bytes 2,3) will contain the
current drive frequency regardless of the mode.
3.3.5 While in automatic mode, the Option card monitors the state of the DeviceNetPoll connection.
Should the connection fail (lost communications with the master), the Option card will take the action as
specified by the Loss-of-Network parameter which is described later in this chapter. Should
communications be lost with the Option card, the card can be placed in manual mode to gain local control
of the drive.

CHAPTER 3: OPERATION 12-5-97 PAGE 20
3.4 DeviceNetControl
3.4.1 DeviceNetmaster (such as a scanner) can gain control of an Inverter by establishing a
Predefined Master/Slave “Polled” connection with the Option card. The master must be capable of
generating a Polled connection with fragmentation frames. During the connection, a master must also
establish an Expected Packet Rate (EPR) at which Polled messages are expected to arrive at the Option
card. Note: This timer is critical because it establishes a time delay before the Option card
assumes that communications has been lost and causes an action as defined by the Loss-of-
Network parameter.
3.4.2 Once a Poll connection has been established and the Option card is in automatic mode, Poll
data will be used to control the drive operation.
3.4.3 DeviceNetrefers to the data format passed in the Polled connection as an I/O Assembly. This
is simply multiple control parameters grouped together in a defined pattern. Two I/O Assemblies are
actually used. The first is the requesting data passed from the master to slave which contains control
data. The second is the response data returned from the slave back to the master which contains the
status. Both Assemblies are passed in a single request and response sequence. Since these formats
are set at the slave, the master must be configured to pass and receive data in the data format defined in
the Assemblies. If the Poll request issued by the master does not contain the exact number of
bytes defined by the request data assembly, a response will not be returned, and the data will not
be processed by the option card.
3.4.4 To start the drive, the master would send a Poll connection with I/O assembly values, which
would have a direction bit and a frequency value set. Thereafter, the master must either maintain these
values with re-occurring Poll messages or change them appropriately. The master can also retrieve
status information in the returned I/O assembly. Since the Option card interface to the Inverter is
somewhat slower than the network capabilities, the Option card maintains an intermediate table of values,
which are immediately available to the network. Note: Be aware that the status values returned in the
I/O assembly may be up to 750mS old.
3.4.5 When each Poll message is received, an Option card timer will be reset. The reset value of this
timer is 4 times the established EPR (Expected Packet Rate). Should that timer expire, the Option card
will take action as specified by the Loss-of-Network parameter. If the action specified is FAULT, and if
P00 status is enabled, a value indicating an EPR_TIMEOUT will be loaded.
3.5 I/O Assembly Format
3.5.1 This defines the I/O Assemblies or formats of the data passed in the Poll messages. The Input
(in terms of the master) assembly returns the status data and the Output assembly loads the Drive control
parameters. The actual size of each Assembly is dependent on the assembly length value which must be
configured in “option” function code P03 (one’s position).
Table 3-2. Assembly word length based on
Assembly length mode.
Length mode(P03) 0 1 2
Output 6 7 7
Input 2 3 4
3.5.2 Setting the assembly length mode to a value greater than zero will slightly extend the number of
data items passed in each I/O assembly. This will allow a user to pass additional configuration, status or
control items. Note: An increase in parameter numbers will add an additional fragment packet and
increase network response time.