Woodward RP-3000 User manual

37413E
Installation
Software Version: 1.xxxx
Part Numbers: 8446-1014 / 8446-1018 / 8446-1019 / 8446-1042
Manual 37413E
RP-3000
Remote Panel

Manual 37413E RP-3000 Installation - Remote Panel
Page 2/48 © Woodward
WARNING
Read this entire manual and all other publications pertaining to the work to be performed before instal-
ling, operating, or servicing this equipment. Practice all plant and safety instructions and precautions.
Failure to follow instructions can cause personal injury and/or property damage.
The engine, turbine, or other type of prime mover should be equipped with an overspeed (overtempera-
ture, or overpressure, where applicable) shutdown device(s), that operates totally independently of the
prime mover control device(s) to protect against runaway or damage to the engine, turbine, or other
type of prime mover with possible personal injury or loss of life should the mechanical-hydraulic gov-
ernor(s) or electric control(s), the actuator(s), fuel control(s), the driving mechanism(s), the linkage(s),
or the controlled device(s) fail.
Any unauthorized modifications to or use of this equipment outside its specified mechanical, electrical,
or other operating limits may cause personal injury and/or property damage, including damage to the
equipment. Any such unauthorized modifications: (i) constitute "misuse" and/or "negligence" within
the meaning of the product warranty thereby excluding warranty coverage for any resulting damage,
and (ii) invalidate product certifications or listings.
CAUTION
To prevent damage to a control system that uses an alternator or battery-charging device, make sure
the charging device is turned off before disconnecting the battery from the system.
Electronic controls contain static-sensitive parts. Observe the following precautions to prevent dam-
age to these parts.
•
Discharge body static before handling the control (with power to the control turned off, contact a
grounded surface and maintain contact while handling the control).
•
Avoid all plastic, vinyl, and Styrofoam (except antistatic versions) around printed circuit boards.
•
Do not touch the components or conductors on a printed circuit board with your hands or with
conductive devices.
OUT-OF-DATE PUBLICATION
This publication may have been revised or updated since this copy was produced. To verify that you
have the latest revision, be sure to check the Woodward website:
http://www.woodward.com/pubs/current.pdf
The revision level is shown at the bottom of the front cover after the publication number. The latest
version of most publications is available at:
http://www.woodward.com/publications
If your publication is not there, please contact your customer service representative to get the latest
copy.
Important definitions
WARNING
Indicates a potentially hazardous situation that, if not avoided, could result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation that, if not avoided, could result in damage to equipment.
NOTE
Provides other helpful information that does not fall under the warning or caution categories.
Woodward reserves the right to update any portion of this publication at any time. Information provided by Woodward is believed to be
correct and reliable. However, Woodward assumes no responsibility unless otherwise expressly undertaken.
© Woodward
All Rights Reserved.

Manual 37413E RP-3000 Installation - Remote Panel
© Woodward Page 3/48
Revision History
Rev.
Date
Editor
Changes
NEW
09-03-06
TE
Release
A
09-05-04
TE
Minor corrections
B
10-05-05
TE
Minor corrections
C
10-05-10
TE
Minor corrections
D
11-03-01
TE
Release reflects support for easYgen-3400/3500 devices
E
11-09-14
TE
Minor corrections
Content
CHAPTER 1. GENERAL INFORMATION ....................................................................................... 6
Document Overview................................................................................................................................. 6
Technical Requirements .......................................................................................................................... 6
Constraints compared to easYgen-3200/3500 ........................................................................................ 7
CHAPTER 2. ELECTROSTATIC DISCHARGE AWARENESS ............................................................ 8
CHAPTER 3. MARINE USAGE.................................................................................................... 9
Application................................................................................................................................................ 9
CHAPTER 4. HOUSING ........................................................................................................... 10
Panel Cutout .......................................................................................................................................... 10
Dimensions............................................................................................................................................. 11
Clamp Fastener Installation ................................................................................................................... 12
Screw Kit Installation.............................................................................................................................. 13
Terminal Arrangement ........................................................................................................................... 14
CHAPTER 5. WIRING DIAGRAMS ............................................................................................. 15
CHAPTER 6. CONNECTIONS ................................................................................................... 16
Power Supply ......................................................................................................................................... 17
Relay Outputs ........................................................................................................................................ 18
Interfaces................................................................................................................................................ 19
RS-232 Serial Interface................................................................................................................ 19
CAN Bus Interface (FlexCAN) ..................................................................................................... 19
Bus Shielding ............................................................................................................................... 21
CHAPTER 7. APPLICATION ..................................................................................................... 22
Connection via CAN 2............................................................................................................................ 23
Connection via CAN 1............................................................................................................................ 23
CHAPTER 8. OPERATION........................................................................................................ 24
CHAPTER 9. CONFIGURATION CAN ........................................................................................ 25
Connection via CAN 2 (recommended) .................................................................................................25
Setup parameters in Remote Panel RP-3000 ............................................................................. 25
Setup parameters in easYgen-3200/3500 ................................................................................... 27
Setup parameters via Toolkit ....................................................................................................... 29
Connection via CAN 1............................................................................................................................ 30
Setup parameters in Remote Panel RP-3000 ............................................................................. 30
Setup parameters in easYgen-3200/3500 ................................................................................... 32
Setup parameters via Toolkit ....................................................................................................... 35

Manual 37413E RP-3000 Installation - Remote Panel
Page 4/48 © Woodward
CHAPTER 10. CONFIGURATION............................................................................................... 37
Change parameters of the easYgen-3000 Series via RP-3000 ............................................................ 37
Enter password............................................................................................................................ 37
System Management RP-3000 ............................................................................................................. 38
Languages ............................................................................................................................................. 38
Version................................................................................................................................................... 39
CHAPTER 11. TECHNICAL DATA ............................................................................................. 40
CHAPTER 12. ENVIRONMENTAL DATA..................................................................................... 42
APPENDIX A. USEFUL INFORMATION....................................................................................... 43
Suitable D-SUB Connector Housings.................................................................................................... 43
CAN Bus Pin Assignments of Third-Party Units .................................................................................... 43
D-SUB DE9 Connector................................................................................................................ 43
RJ45/8P8C Connector ................................................................................................................ 44
IDC / Header Connector .............................................................................................................. 44
Connecting 24 V Relays ........................................................................................................................ 45
APPENDIX B. P/N 8446-1014 ................................................................................................ 46
Power Supply (P/N 8446-1014) ............................................................................................................. 46
Technical Data (P/N 8446-1014) ........................................................................................................... 47

Manual 37413E RP-3000 Installation - Remote Panel
© Woodward Page 5/48
Figures and Tables
Figures
Figure 4-1: Housing - panel-board cutout ................................................................................................................................. 10
Figure 4-2: Housing RP-3000 - dimensions.............................................................................................................................. 11
Figure 4-3: Housing - drill plan ................................................................................................................................................ 13
Figure 4-4: RP-3000 - terminal arrangement - rear view .......................................................................................................... 14
Figure 5-1: Wiring diagram – overview.................................................................................................................................... 15
Figure 6-1: Power supply.......................................................................................................................................................... 17
Figure 6-2: Power supply - crank waveform at maximum load ................................................................................................ 17
Figure 6-3: Relay outputs.......................................................................................................................................................... 18
Figure 6-4: RS-232 interface - overview................................................................................................................................... 19
Figure 6-5: CAN bus #1 - overview.......................................................................................................................................... 19
Figure 6-6: Interfaces - CAN bus - termination ........................................................................................................................ 20
Figure 6-7: Interfaces - shielding .............................................................................................................................................. 21
Figure 7-1: Application – Overview ......................................................................................................................................... 22
Figure 7-2: Application – Connection via CAN 2..................................................................................................................... 23
Figure 7-3: Application – Connection via CAN 1..................................................................................................................... 23
Figure 12-1: CAN bus pin assignment - D-SUB DE9 connector .............................................................................................. 43
Figure 12-2: CAN bus pin assignment - RJ45/8P8C connector ................................................................................................ 44
Figure 12-3: CAN bus pin assignment - IDC / Header ............................................................................................................. 44
Figure 12-4: Interference suppressing circuit - connection ....................................................................................................... 45
Figure 12-5: Power supply........................................................................................................................................................ 46
Figure 12-6: Power supply - crank waveform at maximum load .............................................................................................. 46
Tables
Table 1-1: Manual - overview..................................................................................................................................................... 6
Table 4-1: Housing - panel cutout............................................................................................................................................. 10
Table 6-1: Conversion chart - wire size .................................................................................................................................... 16
Table 6-2: Power supply - terminal assignment ........................................................................................................................ 17
Table 6-3: Relay outputs - terminal assignment........................................................................................................................ 18
Table 6-4: RS-232 interface - pin assignment........................................................................................................................... 19
Table 6-5: CAN bus #1 - pin assignment .................................................................................................................................. 19
Table 6-6: Maximum CAN bus length...................................................................................................................................... 20
Table 12-1: CAN bus pin assignment - D-SUB DE9 connector ............................................................................................... 43
Table 12-2: CAN bus pin assignment - RJ45/8P8C connector ................................................................................................. 44
Table 12-3: CAN bus pin assignment - IDC / Header............................................................................................................... 44
Table 12-4: Interference suppressing circuit for relays ............................................................................................................. 45
Table 12-5: Power supply - terminal assignment ...................................................................................................................... 46

Manual 37413E RP-3000 Installation - Remote Panel
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Chapter 1.
General Information
Document Overview
≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡
Type
English
German
easYgen-3100/3200
easYgen-3100/3200 - Installation
37468
DE37468
easYgen-3100/3200 - Configuration
37469
DE37469
easYgen-3100/3200 - Operation
37470
DE37470
easYgen-3100/3200 - Application
37471
-
easYgen-3100/3200 - Interfaces
37472
-
easYgen-3100/3200 - Parameter List
37473
DE37473
easYgen-3200 - Brief Operation Information
37399
GR37399
easYgen-3100 - Brief Operation Information
37474
-
easYgen-3400/3500
easYgen-3400/3500 - Manual
37528
-
RP-3000
RP-3000 Remote Panel
this manual 
37413
-
Table 1-1: Manual - overview
Intended Use The unit must only be operated in the manner described by this manual. The prerequisite for a
proper and safe operation of the product is correct transportation, storage, and installation as well as careful oper-
ation and maintenance.
NOTE
This manual has been developed for a unit fitted with all available options. Inputs/outputs, functions,
configuration screens, and other details described, which do not exist on your unit, may be ignored.
The present manual has been prepared to enable the installation and commissioning of the unit. Due to
the large variety of parameter settings, it is not possible to cover every combination. The manual is
therefore only a guide.
Technical Requirements
≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡
RP-3000
Supported Devices
Supported Devices
Supported Devices
easYgen-3100/3200
(Package P2 only)
easYgen-3100/3200
(Package P1 & P2)
easYgen-3400/3500
(Package P1)
Software Version
Software Version
Software Version
1.13xx
1.15xx
1.17xx or higher
NOTE
The Remote Panel RP-3000 can be used in conjunction with Woodward genset control easYgen-3200 or
easYgen-3100 with software version V1.15xx and easYgen-3500 or easYgen-3400 of the easYgen-3000
Series with software version V1.17xx or higher. If your easYgen-3000 Series device is equipped with
software version V1.13xx, only Package P2 devices are supported.

Manual 37413E RP-3000 Installation - Remote Panel
© Woodward Page 7/48
NOTE
If you are using a RP-3000 with part number 8446-1014 you must consider Appendix B on page 46, be-
cause the chapters Power Supply and Technical Data are different compared to the standard ones.
Constraints compared to easYgen-3200/3500
≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡
CAUTION
The stop button function reacts in some screens not as fast as the stop button of the easYgen-
3200/3500. Therefore it can be necessary to install an external emergency stop button
The Remote Panel RP-3000 is connected via a serial interface to the genset control. Please keep in mind that the
involved refreshing times of the displayed data are slower on the RP-3000 compared to the easYgen-3200/3500.
The RP-3000 has following constraints compared to the easYgen-3200/3500
General
•The page reproduction takes a bit longer when you change or scroll pages.
•During page reproduction no buttons are accepted.
•As long as an hour glass is displayed no buttons are accepted.
Alarm list
•The alarms in the active alarm list are displayed about one second delayed.
Event History
•Is the event history page directly accessed after switching on the supply voltage, it can last a couple of
minutes until the events are displayed. During this time the acceptance of the STOP button and also
leaving the event page is delayed for a couple of seconds.
Display J1939
•At the access of the analog values J1939 firstly a hour glass is displayed. During this time no buttons are
accepted.
Set Points
•The acceleration levels for changing the active power set points with up/down buttons is a bit delayed
compared to easYgen-3200/3500.
Display of free configurable text
•Every time you switch on the supply voltage of the RP-3000 all free configurable texts are initially
shown as default text. In the background starts an automatic import process – replacing the default text
by the free configurable text (loaded from the connected easYgen). This process lasts up to 20 seconds
(software version V1.15xx or higher) or two hours (software version V1.13xx) depending on the soft-
ware version. In operation the text changes also will be taken over in between 20 seconds (software ver-
sion V1.15xx or higher) or two hours (software version V1.13xx), also constrained on the software ver-
sion.

Manual 37413E RP-3000 Installation - Remote Panel
Page 8/48 © Woodward
Chapter 2.
Electrostatic Discharge Awareness
All electronic equipment is static-sensitive, some components more than others. To protect these components
from static damage, you must take special precautions to minimize or eliminate electrostatic discharges.
Follow these precautions when working with or near the control.
1. Before doing maintenance on the electronic control, discharge the static electricity on your body to ground
by touching and holding a grounded metal object (pipes, cabinets, equipment, etc.).
2. Avoid the build-up of static electricity on your body by not wearing clothing made of synthetic materials.
Wear cotton or cotton-blend materials as much as possible because these do not store static electric
charges as easily as synthetics.
3. Keep plastic, vinyl, and Styrofoam materials (such as plastic or Styrofoam cups, cigarette packages, cello-
phane wrappers, vinyl books or folders, plastic bottles, etc.) away from the control, modules, and work
area as much as possible.
4. Opening the control cover may void the unit warranty.
Do not remove the printed circuit board (PCB) from the control cabinet unless absolutely necessary. If you
must remove the PCB from the control cabinet, follow these precautions:
•Ensure that the device is completely voltage-free (all connectors have to be disconnected).
•Do not touch any part of the PCB except the edges.
•Do not touch the electrical conductors, connectors, or components with conductive devices or with
bare hands.
•When replacing a PCB, keep the new PCB in the plastic antistatic protective bag it comes in until you
are ready to install it. Immediately after removing the old PCB from the control cabinet, place it in the
antistatic protective bag.
CAUTION
To prevent damage to electronic components caused by improper handling, read and observe the pre-
cautions in Woodward manual 82715, Guide for Handling and Protection of Electronic Controls, Printed
Circuit Boards, and Modules.
NOTE
The unit is capable to withstand an electrostatic powder coating process with a voltage of up to 85 kV
and a current of up to 40 µA.

Manual 37413E RP-3000 Installation - Remote Panel
© Woodward Page 9/48
Chapter 3.
Marine Usage
CAUTION
The following notes are very important for marine usage of the RP-3000 Remote Panel and have to be
followed.
NOTE
They are only valid for plastic housing units, if they are installed using the screw kit (refer to Screw Kit
Installation on page 13). In this case, all 12 screws must be used and tightened accordingly.
Application
≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡
The RP-3000 has an internally isolated power supply.
If the RP-3000 is to be used on bridge and deck zones, an EMI filter (i.e. TIMONTA FSS2-65-4/3) must be used for
the power supply inputs.
Some additional, independent safety and protection devices are necessary to meet safety requirements of Rules
and Regulations of marine Classification Societies.
The RP-3000 is type approved by LR Lloyd's Register.
Please consider for final functional arrangements to comply with appropriate Lloyd's Register Rules as subject of
the Plan Approval process.

Manual 37413E RP-3000 Installation - Remote Panel
Page 10/48 © Woodward
Chapter 4.
Housing
Panel Cutout
≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡
Figure 4-1: Housing - panel-board cutout
Measure
Description
Tolerance
H
Height
Total
217 mm
---
h
Panel cutout
183 mm
+ 1.0 mm
h'
Housing dimension
181 mm
B
Width
Total
282 mm
---
b
Panel cutout
249 mm
+ 1.1 mm
b'
Housing dimension
247 mm
Depth
Total
67 mm
---
Table 4-1: Housing - panel cutout
The maximum permissible corner radius is 4 mm.
Refer to Figure 4-3 on page 13 for a cutout drawing.
h' hH
b
B
b'

Manual 37413E RP-3000 Installation - Remote Panel
© Woodward Page 11/48
Dimensions
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Figure 4-2: Housing RP-3000 - dimensions
282 mm
247 mm
55 mm
67 mm
282 mm
217 mm 181 mm

Manual 37413E RP-3000 Installation - Remote Panel
Page 12/48 © Woodward
Clamp Fastener Installation
≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡
For installation into a door panel with the fastening clamps, proceed as follows:
1.
Panel cutout
Cut out the panel according to the dimensions in Table 4-1.
Note:
Don't drill the holes if you want to use the clamp fasteners. If the holes are
drilled into the panel, the clamp fasteners cannot be used anymore!
2.
Remove terminals
Loosen the wire connection terminal screws on the back of the unit and
remove the wire connection terminal strip if required.
3.
Insert screws in clamps
Insert the four clamping screws into the clamp inserts from the shown
side (opposite of the nut insert) until they are almost flush. Do not com-
pletely insert the screws into the clamp inserts.
4.
Insert unit into cutout
Insert the unit into the panel cutout. Verify that the unit fits correctly in
the cutout. If the panel cutout is not big enough, enlarge it accordingly.
5.
Attach clamp inserts
Re-install the clamp inserts by tilting the insert to a 45° angle. (1) Insert
the nose of the insert into the slot on the side of the housing. (2) Raise the
clamp insert so that it is parallel to the control panel.
6.
Tighten clamping screws
Tighten the clamping screws (1) until the control unit is secured to the
control panel (2). Over tightening of these screws may result in the clamp
inserts or the housing breaking. Do not exceed the recommended tighten-
ing torque of 0.1 Nm.
7.
Reattach terminals
Reattach the wire connection terminal strip (1) and secure them with the
side screws.
cut-out
186,0
138,0
R 3,5
Rmax :
1
2
1
2

Manual 37413E RP-3000 Installation - Remote Panel
© Woodward Page 13/48
Screw Kit Installation
≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡
NOTE
Don't drill the holes if you want to use the clamp fasteners. If the holes are drilled into the panel, the
clamp fasteners cannot be used anymore!
NOTE
The housing is equipped with 12 nut inserts (refer to Figure 4-3 for their position), which must all be
tightened properly to achieve the required degree of protection.
Some versions of the plastic housing are not equipped with nut inserts and may not be fastened with
the screw kit.
In order to enhance the protection to IP 66, it is possible to fasten the unit with a screw kit instead of the clamp
fastener hardware.
Proceed as follows to install the unit using the screw kit:
1. Cut out the panel and drill the holes according to the dimensions in Figure 4-3 (dimensions shown in mm).
2. Insert the unit into the panel cutout. Verify that the unit fits correctly in the cutout. If the panel cutout is not
big enough, enlarge it accordingly.
3. Insert the screws and tighten to 0.6 Nm (5.3 pound inches) of torque. Tighten the screws with a crosswise
pattern to ensure even pressure distribution.
NOTE
If the thickness of the panel sheet exceeds 2.5 mm, be sure to use screws with a length of the panel
sheet thickness + 4 mm.
Figure 4-3: Housing - drill plan
Cut-out dimension:
249mm (+1, 1mm) x 183mm (+1,0mm)
249.0
183.0
5.0 254.0
24.5
124.5
224.5
21.5
91.5
161.5
194.4
259.0
5.7
ø 4.5
12 x
Rmax: R 4.0

Manual 37413E RP-3000 Installation - Remote Panel
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Terminal Arrangement
≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡
Figure 4-4: RP-3000 - terminal arrangement - rear view
616364
24 V +
24 V -
42 41
RS-232
Power supply Protective earth PE Relay Outputs
Relay R01
CAN bus

Manual 37413E RP-3000 Installation - Remote Panel
© Woodward Page 15/48
Chapter 5.
Wiring Diagrams
Figure 5-1: Wiring diagram – overview
FlexCAN
Subject to technical modifications.
(Remote Panel)
RP-3000
CAN bus
Guidance/system level (isolated)
9-pin male
submin-D-connector
RS-232 (isolated)
Serial
Power supply
isolated, 8 to 40 Vdc
Protective Earth PE
[R 01]
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
-
+
9-pin male
submin-D-connector
2: RxD
3: TxD
5: GND
7: RTS
8: CTS
2: CAN-L
3: GND
7: CAN-H
Relay 01:
Fixed to: Ready for operation
2009-02-12 | RP-3000 Wiring Diagram rp3000ww-0902-ap.SKF2009-03-26 | RP-3000 Wiring Diagram rp3000ww-0903-ap.SKF

Manual 37413E RP-3000 Installation - Remote Panel
Page 16/48 © Woodward
Chapter 6.
Connections
WARNING
All technical data and ratings indicated in this chapter are not definite! Only the values indicated in
Chapter 11: Technical Data on page 40 are valid!
The following chart may be used to convert square millimeters [mm²] to AWG and vice versa:
AWG
mm²
AWG
mm²
AWG
mm²
AWG
mm²
AWG
mm²
AWG
mm²
30
0.05
21
0.38
14
2.5
4
25
3/0
95
600MCM
300
28
0.08
20
0.5
12
4
2
35
4/0
120
750MCM
400
26
0.14
18
0.75
10
6
1
50
300MCM
150
1000MCM
500
24
0.25
17
1.0
8
10
1/0
55
350MCM
185
22
0.34
16
1.5
6
16
2/0
70
500MCM
240
Table 6-1: Conversion chart - wire size

Manual 37413E RP-3000 Installation - Remote Panel
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Power Supply
≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡
WARNING – Protective Earth
Protective Earth (PE) must be connected to the unit to avoid the risk of electric shock. The conductor
providing the connection must have a wire larger than or equal to 2.5 mm² (14 AWG). The connection
must be performed properly. This connection will be made using the screw-plug-terminal 61.
Figure 6-1: Power supply
Terminal
Description
Amax
61
PE (protective earth)
2.5 mm²
63
12/24Vdc (8 to 40.0 Vdc)
2.5 mm²
64
0 Vdc
2.5 mm²
Table 6-2: Power supply - terminal assignment
Figure 6-2: Power supply - crank waveform at maximum load
NOTE
Woodward recommends to use one of the following slow-acting protective devices in the supply line to
terminal 63:
•Fuse NEOZED D01 6A or equivalent
or
•
Miniature Circuit Breaker 6A / Type C (for example: ABB type: S271C6 or equivalent)
Power supply
63
64
0 Vdc
12/24Vdc (8 to 40.0 Vdc)
8 to 40.0 Vdc
61
PE

Manual 37413E RP-3000 Installation - Remote Panel
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Relay Outputs
≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡
Figure 6-3: Relay outputs
Terminal
Description
Amax
Term.
Com.
A
B
Form A, N.O. make contact
Type 
42 41 Relay output [R 01] {all} Ready for operation N.O. 2.5 mm²
{all}-all appliction modes
N.O.-normally open (make) contact
Table 6-3: Relay outputs - terminal assignment
CAUTION
The discrete output "Ready for operation OFF" can be wired in series with an emergency stop function.
In comparison to the easYgen-3200/3500 this relay is additional de-energized if the CAN bus has no
connection.
NOTE
Refer to Appendix A: Connecting 24 V Relays on page 45 for interference suppressing circuits when
connecting 24 V relays.
A
B
Relay output
external device
max. 250 Vac/
dc
N /
2A

Manual 37413E RP-3000 Installation - Remote Panel
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Interfaces
≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡
RS-232 Serial Interface
Figure 6-4: RS-232 interface - overview
Terminal
Description
Amax
1
not connected
N/A
2
RxD (receive data)
N/A
3
TxD (transmit data)
N/A
4
not connected
N/A
5
GND (system ground)
N/A
6
not connected
N/A
7
RTS (request to send)
N/A
8
CTS (clear to send)
N/A
9
not connected
N/A
Table 6-4: RS-232 interface - pin assignment
CAN Bus Interface (FlexCAN)
Figure 6-5: CAN bus #1 - overview
Terminal
Description
Amax
1
not connected
N/A
2
CAN-L
N/A
3
GND
N/A
4
not connected
N/A
5
not connected
N/A
6
not connected
N/A
7
CAN-H
N/A
8
not connected
N/A
9
not connected
N/A
Table 6-5: CAN bus #1 - pin assignment
NOTE
Refer to Appendix A: CAN Bus Pin Assignments of Third-Party Units on page 43 for general informa-
tion about CAN bus pin assignments.

Manual 37413E RP-3000 Installation - Remote Panel
Page 20/48 © Woodward
CAN Bus Topology
NOTE
Please note that the CAN bus must be terminated with a resistor, which corresponds to the impedance
of the cable (e.g. 120 Ohms, 1/4 W) at both ends. The termination resistor is connected between CAN-H
and CAN-L.
Figure 6-6: Interfaces - CAN bus - termination
Troubleshooting Possible CAN Bus Problems
If data is not transmitting on the CAN bus, check the following for common CAN bus communication problems:
•A T-structure bus is utilized
•CAN-L and CAN-H are interchanged
•Not all devices on the bus are using identical Baud rates
•Terminating resistor(s) are missing
•The configured baud rate is too high for wiring length
•The CAN bus cable is routed in close proximity with power cables
Woodward recommends the use of shielded, twisted-pair cables for the CAN bus (i.e.: Lappkabel Unitronic
LIYCY (TP) 2×2×0.25, UNITRONIC-Bus LD 2×2×0.22).
Maximum CAN Bus Length
The maximum length of the communication bus wiring is dependent on the configured Baud rate. Refer to Table
6-6 for the maximum bus length (Source: CANopen; Holger Zeltwanger (Hrsg.); 2001 VDE VERLAG GMBH,
Berlin und Offenbach; ISBN 3-8007-2448-0).
Baud rate
Max. length
1000 kbit/s
25 m
800 kbit/s
50 m
500 kbit/s
100 m
250 kbit/s
250 m
125 kbit/s
500 m
50 kbit/s
1000 m
20 kbit/s
2500 m
Table 6-6: Maximum CAN bus length
The maximum specified length for the communication bus wiring might not be achieved if poor quality wire is
utilized, there is high contact resistance, or other conditions exist. Reducing the baud rate may overcome these is-
sues.