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Smartcat
User Manual
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Rabbit Smartcat, BL2100 User Manual

Smartcat (BL2100)
C-Programmable Single-Board Computer with Ethernet
and Operator Interface
User’s Manual
019–0103_M
Part Number 019-0103 • Printed in U.S.A.
©2001–2010 Digi International Inc. • All right s reserved.
Digi International reserves the right to make changes and
improvements to its products without providing n ot ice.
Trademarks
Rabbit, RabbitCore, and Dynamic C are registered trademarks of Digi International Inc.
Rabbit 2000 is a trademark of Digi International Inc.
The latest revision of this manual is available on the Rabbit Web site, www.rabbit.com, for free, unregistered download.
Digi8 International Inc.
www .rabbi t.com
Smartcat (BL2100)

TABLE OF CONTENTS

Chapter 1. Introduction 1
1.1 BL2100 Description..............................................................................................................................1
1.2 BL2100 Features...................................................................................................................................1
1.2.1 Connector Options ........................................................................................................................2
1.3 Optional Add-Ons.................................................................................................................................3
1.4 Development and Evaluation Tools......................................................................................................4
1.4.1 Tool Kit.........................................................................................................................................4
1.4.2 Software........................................................................................................................................5
1.4.3 Online Documentation.............. ... .................................................................................................5
1.5 CE Compliance.....................................................................................................................................6
1.5.1 Design Guidelines.........................................................................................................................7
1.5.2 Interfacing the BL2100 to Other Devices.....................................................................................7
Chapter 2. Getting Started 9
2.1 BL2100 Connections ............................................................................................................................9
2.2 Installing Dynamic C.......................................................................................................................... 14
2.3 Starting Dynamic C ............................................................................................................................15
2.4 Run a Sample Program.......................................................................................................................15
2.4.1 Troubleshooting ..........................................................................................................................15
2.5 Where Do I Go From Here? ...............................................................................................................16
2.5.1 Technical Support.......................................................................................................................16
Chapter 3. Subsystems 17
3.1 BL2100 Pinouts ..................................................................................................................................18
3.1.1 Headers and Screw Terminals..................................................................................................... 19
3.2 Digital I/O...........................................................................................................................................20
3.2.1 Digital Inputs...............................................................................................................................20
3.2.2 Digital Outputs............................................................................................................................21
3.3 Serial Communication ........................................................................................................................23
3.3.1 RS-232 ........................................................................................................................................23
3.3.2 RS-485 ........................................................................................................................................23
3.3.3 Ethernet Port ...............................................................................................................................26
3.3.4 Programming Port.......................................................................................................................27
3.4 Programming Cable............................................................................................................................28
3.4.1 Changing Between Program Mode and Run Mode....................................................................28
3.5 A/D Converter Inputs..........................................................................................................................29
3.6 D/A Converter Outputs.......................................................................................................................30
3.7 Analog Reference Voltage Circuit......................................................................................................31
3.8 Memory...............................................................................................................................................32
3.8.1 SRAM .........................................................................................................................................32
3.8.2 Flash Memory.............................................................................................................................32
3.9 Other Hardware............................................... ....................................................................................33
3.9.1 External Interrupts............................................ ......................................................... ..................33
3.9.2 Clock Doubler.............................................................................................................................34
3.9.3 Spectrum Spreader.............. ........................................................................................................34
User’s Manual
Chapter 4. Software 35
4.1 Running Dynamic C........................................................................................................................... 35
4.1.1 Upgrading Dynamic C...................................................... .......................................................... 37
4.1.2 Extras..........................................................................................................................................37
4.2 Sample Programs................................................................................................................................38
4.2.1 Digital I/O...................................................................................................................................38
4.2.2 Serial Communication................................................................................................................ 38
4.2.3 A/D Converter Inputs.................................................................................................................39
4.2.4 D/A Converter Outputs...............................................................................................................39
4.2.5 Using Calibration Constants.......................................................................................................40
4.2.6 Real-Time Clock ......................................................................................................... ............... 40
4.2.7 TCP/IP Sample Programs...........................................................................................................40
4.2.8 LCD/Keypad Module Sample Programs.................................................................................... 40
4.3 BL2100 Libraries ............................................................................................................................... 41
4.4 BL2100 Function APIs.......................................................................................................................42
4.4.1 Board Initialization..................................................................................................................... 42
4.4.2 Digital I/O...................................................................................................................................43
4.4.3 Serial Communication................................................................................................................ 45
4.4.4 A/D Converter Inputs.................................................................................................................46
4.4.5 D/A Converter Outputs...............................................................................................................50
Chapter 5. Using the TCP/IP Features 55
5.1 TCP/IP Connections...........................................................................................................................55
5.2 TCP/IP Sample Programs...................................................................................................................57
5.2.1 How to Set IP Addresses in the Sample Programs..................................................................... 57
5.2.2 How to Set Up Your Computer for Direct Connect................................................................... 58
5.2.3 Run the
5.2.4 Running More Demo Programs With a Direct Connection ....................................................... 60
5.3 Where Do I Go From Here?............................................................................................................... 60
PINGME.C Demo......................................................................................................59
Appendix A. Specifications 61
A.1 Electrical and Mechanical Specifications..........................................................................................62
A.1.1 Exclusion Zone.......................................................................................................................... 64
A.1.2 Headers...................................................................................................................................... 65
A.2 Conformal Coating............................................................................................................................ 66
A.3 Jumper Configurations ........................... ........................................................... ................................67
A.4 Use of Rabbit 2000 Parallel Ports .....................................................................................................69
A.5 I/O Address Assignments.................................................................................................................. 71
Appendix B. Power Supply 73
B.1 Power Supplies.............................................................................. ....................................................73
B.1.1 Power for Analog Circuits.........................................................................................................73
B.2 Batteries and External Battery Connections......................................................................................74
B.2.1 Replacing the Backup Battery ....................................... ............................................................ 75
B.2.2 Battery-Backup Circuit.............................................................................................................. 75
B.2.3 Power to VRAM Switch............................................................................................................ 76
B.2.4 Reset Generator..........................................................................................................................76
B.3 Chip Select Circuit.............................................................................................................................77
Appendix C. LCD/Keypad Module 79
C.1 Specifications.......................................... ...........................................................................................79
C.2 Contrast Adjustments for All Boards ............................................ ....................................................81
C.3 Keypad Labeling................................................................................................................................82
C.4 Header Pinouts...................................................................................................................................83
C.4.1 I/O Address Assignments .......................................................................................................... 83
C.5 Mounting LCD/Keypad Module on the BL2100 ..............................................................................84
C.5.1 Programming Cable Tips........................................................................................................... 85
C.6 Bezel-Mount Installation...................................................................................................................87
C.6.1 Connect the LCD/Keypad Module to Your BL2100................................................................. 89
Smartcat (BL2100)
C.7 Sample Programs ...............................................................................................................................90
C.8 LCD/Keypad Module Function Calls ........................................... .....................................................92
C.8.1 LEDs...........................................................................................................................................92
C.8.2 LCD Display...............................................................................................................................93
C.8.3 Keypad......................................... .............................................................................................109
Appendix D. Plastic Enclosure 113
D.1 Assembly Instructions........................................................ ..............................................................114
D.2 Dimensions ......................................................................................................................................116
Appendix E. Demonstration Board 119
E.1 Connecting Demonstration Board....................................................................................................119
Index 123
Schematics 127
User’s Manual
Smartcat (BL2100)

1. INTRODUCTION

The BL2100 is a high-performance, C-programmable single­board computer that offers built-in digital and analog I/O com­bined with Ethernet connectivity in a compact form factor. A
Rabbit fast data processing. An optional plastic enclosure and LCD/keypad module are available, and may be wall-mounted.

1.1 BL2100 Description

The BL2100 is an advanced single-board computer that incorporates the powerful Rabbit 2000 microprocessor, flash memory, static RAM, digital I/O ports, A/D converter inputs, D/A converter outputs, RS-232/RS-485 serial ports, and a 10Base-T Ethernet port.

1.2 BL2100 Features

• Rabbit® 2000 microprocessor operating at 22.1 MHz.
®
2000 microprocessor operating at 22.1 MHz provides
• 128K static RAM and 256K flash memory standard, may be increased to 512K SRAM and 512K flash memory.
• 40 digital I/O: 24 protected digital inputs and 16 high-current digital outputs provide sinking and sourcing outputs.
• 15 analog channels: eleven 12-bit A/D converter inputs, four 12-bit D/A converter 0–10 V outputs (selected models).
• One RJ-45 Ethernet port compliant with IEEE 802.3 standard for 10Base-T Ethernet protocol (selec t e d models).
• Two Ethernet status LEDs (selected models).
• Four serial ports (2 RS-232 or 1 RS-232 with RTS/CTS, 1 RS-485, and 1 CMOS-com-
patible programming port).
• Battery-backed real-time clock.
• Watchdog supervisor.
• Optional backlit 122 × 32 graphic display/keypad module.
• Remote program downloading and debugging capability via RabbitLink.
• Boards with the CE mark on their RabbitCore module are CE-compliant.
User’s Manual 1
Four BL2100 models are available. Their standard features are summarized in Table 1.
Table 1. BL2100 Models
Feature BL2100 BL2110 BL2120 BL2130
Microprocessor Rabbit 2000 running at 22.1 MHz Static RAM 128K Flash Memory 256K RJ-45 Ethernet Connector,
Filter Capacitors, and LEDs A/D Converter Inputs
(-10 V to + 10 V) D/A Converter Outputs
(0 V to +10 V) RabbitCore Module Used RCM2200
Yes No Yes No
Yes No Yes No
Yes No
RCM2300
Additional 512K flash/512K SRAM memory options are available for custom orders involving nominal lead times. Contact your Rabbit sales representative or authorized distributor for more information.
Appendix A provides detailed specifications.

1.2.1 Connector Options

In addition to the standard screw-terminal connectors supplied on BL2100 boards, IDC headers, bottom-mount sockets, and polarized friction-lock terminals may be factory­installed instead. Visit our Web site at www.rabbit.com or contact your Rabbit sales representative or authorized distributor for further information.
Standard screw terminals, accept
2
up to 14 AWG (1.5 mm
IDC headers, 0.1" pitch
2 Smartcat (BL2100)
) wire
Bottom-mount socket, 0.1" pitch
Polarized friction-lock terminals,
0.1" pitch

1.3 Optional Add-Ons

• Plastic enclosure (can be wall-mounted or panel-mounted) with LCD/keypad module that comprises a 122 × 32 LCD graphic display, 7­key keypad, and seven LEDs. The plastic enclosure consists of a base and a cover for an assembly made up of the BL2100 with the LCD/keypad module plugged in.
• Plastic enclosure base.
• LCD/keypad module.
One enclosure base is included with the Tool Kit. Further details on these add-ons are provided in
Appendix C and in Appendix D.
Visit our Web site for up-to-date information about additional add-ons and features as they become available. The Web site also has the latest revision of this user’s manual.
User’s Manual 3

1.4 Development and Evaluation Tools

1.4.1 Tool Kit

A T ool Kit contains the hardware essentials you will need to use your own BL2100 single­board computer. The items in the Tool Kit and their use are as follows.
• BL2100 Getting Started instructions.
• Dynamic C CD-ROM, with complete product documentation on disk.
• Programming cable, used to connect your PC serial port to the BL2100.
• Universal AC adapter, 12 V DC, 1 A (includes Canada/Japan/U.S., Australia/N.Z., U.K.,
and European style plugs).
• Demonstration Board with pushbutton switches and LEDs. The Demonstration Board can be hooked up to the BL2100 to demonstrate the I/O.
• Wire assembly to connect Demonstration Board to BL2100.
• Plastic enclosure base with mounting screws.
• Screwdriver.
• Rabbit 2000 Processor Easy Reference poster.
• Registration card.
Figure 1. BL2100 Tool Kit
4 Smartcat (BL2100)

1.4.2 Software

The BL2100 is programmed using version 7.06 or later of Rabbit’s Dynamic C. A compatible
version is included on the Tool Kit CD-ROM
. Dynamic C v . 9.60 includes the popular µC/OS­II real-time operating system, point-to-point protocol (PPP), FAT file system, RabbitWeb, and other select libraries that were previously sold as individual Dynamic C modules.
Rabbit also offers for purchase the Rabbit Embedded Security Pack featuring the Secure Sockets Layer (SSL) and a specific Advanced Encryption Standard (AES) library. In addi­tion to the Web-based technical support included at no extra charge, a one-year telephone­based technical support subscription is also available for purchase. Visit our Web site at
www.rabbit.com for further information and complete documentation, or contact your
Rabbit sales representative or authorized distributor.

1.4.3 Online Documentation

The online documentation is installed along with Dynamic C, and an icon for the docu­mentation menu is placed on the workstation’ s desktop. Double-click this icon to reach the menu. If the icon is missing, use your browser to find and load default.htm in the docs folder, found in the Dynamic C installation folder.
The latest versions of all documents are always available for free, unregistered download from our Web sites as well.
User’s Manual 5

1.5 CE Compliance

Equipment is generally divided into two classes.
CLASS A CLASS B
Digital equipment meant for light industrial use Digital equipment meant for home use Less restrictive emissions requirement:
less than 40 dB µV/m at 10 m (40 dB relative to 1 µV/m) or 300 µV/m
More restrictive emissions requirement: 30 dB µV/m at 10 m or 100 µV/m
These limits apply over the range of 30–230 MHz. The limits are 7 dB higher for frequencies above 230 MHz. Although the test range goes to 1 GHz, the emissions from Rabbit-based systems at frequencies above 300 MHz are generally well below background noise levels.
The BL2100 single-board computer has been tested and was found to be in conformity with the following applicable immunity and emission standards. The BL2110, BL2120, and BL2130 single-board computers are also CE qualified as they are sub-versions of the BL2100 single­board computer. Boards that are CE-compliant have the CE mark.
Immunity
The BL2100 series of single-board computers meets the following EN55024/1998 immu­nity standards.
• EN61000-4-3 (Radiated Immunity)
• EN61000-4-4 (EFT)
• EN61000-4-6 (Conducted Immunity)
Additional shielding or filtering may be required for a heavy industrial environment.
Emissions
The BL2100 series of single-board computers meets the following emission standards with the Rabbit 2000 spectrum spreader turned on and set to the normal mode. The spectrum spreader is only available with Rev. C or higher of the Rabbit 2000 microprocessor. This microprocessor is used in all BL2100 series boards that carry the CE mark.
• EN55022:1998 Class A
• FCC Part 15 Class A
NOTE: The BL2100 satisfied the Class A limits but not the Class B limits. Such equip-
ment need not be restricted in its sale, but the following warning must be included in the instructions for its use.
Warning
This is a Class A product. In a domestic environment this product may cause radio interference, in which case the user may be required to take adequate measures.
Additional shielding or filtering may be needed to meet Class B emissions standards.
6 Smartcat (BL2100)

1.5.1 Design Guidelines

Note the following requirements for incorporating a BL2100 series single-board computer into your application to comply with CE requirements.
General
• The power supply provided with the T ool Kit is for development purposes only. It is the
customer’s responsibility to provide a CE-compliant power supply for the end-product application.
• When connecting the BL2100 single-board computer to outdoor cables, the customer is
responsible for providing CE-approved surge/lighting protection.
• Rabbit recommends placing digital I/O or analog cables that are 3 m or longer in a
metal conduit to assist in maintaining CE compliance and to conform to good cable design practices.
• When installing or servicing the BL2100, it is the responsibility of the end-user to use
proper ESD precautions to prevent ESD damage to the BL2100.
Safety
• All inputs and outputs to and from the BL2100 single-board computer must not be con-
nected to voltages exceeding SELV levels (42.4 V AC peak, or 60 V DC).
• The lithium backup battery circuit on the BL2100 single-board computer has been
designed to protect the battery from hazardous conditions such as reverse charging and excessive current flows. Do not disable the safety features of the design.

1.5.2 Interfacing the BL2100 to Other Devices

There are two versions of the LCD/keypad module that may be used with the BL2100: a plug-in version (Part No. 101-0465), and a remote panel-mounted version with bezel (Part No. 101-0502). The BL2100 with the LCD/keypad module plugged in may be regarded as a “maintenance unit” that conforms to the same CE standards as does the BL2100 alone, where the entire assembly is mounted inside an enclosure, and the enclosure is only opened to “tune up” the system. In addition, the cable for a panel-mounted LCD/keypad module should be less than 30 cm (12") to maintain CE compliance. Appendix C provides complete information for mounting and using the LCD/keypad module.
Since the BL2100 single-board computers are designed to be connected to other devices, good EMC practices should be followed to ensure compliance. CE compliance is ulti­mately the responsibility of the integrator. Additional information, tips, and technical assistance are available from your authorized Rabbit distributor, and are also available on our Web site at www.rabbit.com.
User’s Manual 7
8 Smartcat (BL2100)

2. GETTING STARTED

TVS1
L1
D1
C5
D3
C8
C9
R160
C101
RP9
U16 U17
R151
C95
R158
R159
C100
C25
C21
C22
R187
R134
TP4
R135
C86
U13
BT1
C48
C52
C46
C44
C43
C13
RP4
RP3
RP15
RP14
C87
C89
R140
U12
R133
C85
R132
C88
R139
C51
C50
C49
C24
C92
C90
R148R143
C93
C94
C98
C99
C103
C104
R174
C111 R172
C106
R165
R161
R156
R154
R149
R147
C102
C97
C96
R152
C91
U18
DI08 DI09 DI10 DI11 DI12 DI13 DI14 DI15 RS485 RS485 PE5-INT GND DIO23 DIO22 DIO21 DIO20 DIO19 DIO18 DIO17 DIO16 DIO15 DIO14 DIO13 DIO12 DIO11 DIO10
Q26
D14
C74
R103
R99
C72
Q55
Q43
Q47
Q51
R95
R138
JP1
U7
R82
C61
Q30
Q34
R90
R136
R106
R81
C17
R96
Q52
Q48
J17
D18
C82
RP7
Q44
Q56
C75
D15
Q71
R104
R100
C69
Q67
Q63
Q59
Q4
Q5
RP5
RP6
U4
C14
J16
R11
R9
R10
R119
R186
R142
R8
R7
JP6
J14
Q78
J22
J20
J4
D6
Q23
RP11
C58
R78
Q11
R74
Q15
C54
Q19
R70
C15
U5 U10
C118
Q21
Q17
R72
C56
Q32
Q36
R84
C63
R88
R92
Q28
Q40
C67
D11
C60
D8
Q25
Q13
R80
R76
D9
C65
R86
Q38
U20
C113
C110
C27
R175
C114
R179
R178
R177
C115
R180
R173
C112
R181
Q74
Q75
R176
C12
C6
C7
C11
U1
J21
U2
J7
+K2 +K1 DO09 DO08 DO07 DO06 DO05 DO04 DO03 DO02 DO01 DO00 GND +RAW 232CR 232CT 232DR 232DT DIO0 DIO1 DIO2 DIO3 DIO4 DIO5 DIO6 DIO7
ADCIN10 ADCIN9 ADCIN8 ADCIN7 ADCIN6 ADCIN5 DAC03 DAC02 AGND DAC01 DAC02 ADCIN4 ADCIN3 ADCIN2 ADCIN1 ADCIN0
J1
J11
R162
R155
R153
R145
R146
C26
Battery
J1
R2
C3
D2
R7
C27
R8
R36
RT1
R41
R37
R38
D1
R39
Y2
C2
C1
U8
U7
U3
U6
C7
GND
GND
EGND
DS2
LNK
ACT
DS1
R19
Q3
Q4
Q5
Q2
R1
Y1
C4
C17
C8
R9
R13
R11
U1
BT1
R15
C12
R17
R20
C13
Y3
R16
R22
R21
C14
R18
C25
C28
D3
J2
JP4
JP3
JP1
JP6
C30
JP2
JP5
C29
U2
Flash
EPROM
RCM2200/RCM2300 Module
BL2100 Main Board
Chapter 2 explains how to connect the programming cable and power supply to the BL2100.

2.1 BL2100 Connections

1. Remove the RabbitCore module from the BL2100 main board, and set the module
aside. The module is removed to allow access to the mounting holes on the main BL2100 board, and will be plugged back in to the main board later.
NOTE: If you are working with more than one BL2100 at a time, take care to keep the
BL2100 main boards and their corresponding RabbitCore modules paired since the Rab­bitCore modules store calibration constants specific to the BL2100 main board to which they are plugged in.
User’s Manual 9
Figure 2. Remove RabbitCore Module
from BL2100 Main Board
2. Attach the BL2100 main board to the plastic enclosure base.
TVS1
L1
D1
C5
D3
C8
C9
R160C101
RP9
U16 U17
R
151
C95
R
158
R159
C100
C25
C21
C22
R187
R134
TP4
R
135
C86
U13
BT1
C48
C52
C46
C44
C43
C13
RP4
RP3
RP15
RP14
C87
C89
R140
U12
R133
C
85
R
132
C88
R139
C51
C50
C49
C24
C92
C90
R148R143
C93
C94
C98
C99
C103
C104
R174
C111 R172
C106
R165
R161
R156
R154
R149
R147
C 102
C 97
C96
R 152
C91
U18
DI08 DI09 DI10 DI11 DI12 DI13 DI14 DI15 RS485 RS485 PE5-INT GND DIO23 DIO22 DIO21 DIO20 DIO19 DIO18 DIO17 DIO16 DIO15 DIO14 DIO13 DIO12 DIO11 DIO10
Q26
D 14
C 74
R 103
R
99
C72
Q
55
Q 43
Q
47
Q 51
R
95
R138
JP1
U7
R82
C61
Q 30
Q 34
R90
R136
R106
R81
C17
R 96
Q52
Q48
J17
D18
C82
RP7
Q44
Q
56
C
75
D
15
Q
71
R
104
R
100
C
69
Q
67 Q63
Q59
Q4
Q5
RP5
RP6
U4
C14
J16
R11
R9
R
10
R119
R
186
R
142
R8
R7
JP6
J14
Q
78
J22
J20
J4
D 6
Q
23
RP11
C58
R 78
Q
11
R74
Q
15
C54
Q19
R70
C15
U5 U10
C118
Q 21Q
17
R
72
C 56
Q
32
Q
36
R84
C
63
R88
R
92
Q
28
Q
40
C67
D11
C60
D
8
Q
25
Q
13
R80
R76
D9
C65
R86
Q38
U
20
C113
C110
C27
R175
C114
R179
R 178
R177
C115
R180
R173
C112
R
181
Q74
Q75
R176
C
12
C6
C7
C 11
U1
J21
U2
J7
+K2 +K1 DO09 DO08 DO07 DO06 DO05 DO04 DO03 DO02 DO01 DO00 GND +RAW 232CR 232CT 232DR 232DT DIO0 DIO1 DIO2 DIO3 DIO4 DIO5 DIO6 DIO7
ADCIN10 ADCIN9 ADCIN8 AD
CIN7 AD
CIN6 ADCIN5
DAC
03 DAC02 AG
ND DAC01
DAC
02
ADCIN4 ADCIN3 ADCIN2 ADCIN1 ADCIN
0
J1
J11
R 162
R 155
R153
R 145 R
146
C26
Battery
Position the BL2100 main board over the plastic enclosure base as shown below in Figure 3. Attach the BL2100 to the base using the four 4-40 × ¼ screws supplied with the enclosure base.
Figure 3. Attach BL2100 Main Board to Plastic Enclosure Base
The plastic enclosure base facilitates handling the BL2100 during development, and pro­vides an attractive mounting alternative. Alternatively, you may wish to use standoffs to protect the components on the other side of the board. The plastic enclosure base is offered as a separate option when individual BL2100 boards are purchased.
NOTE: Appendix D, “Plastic Enclosure,” provides additional information and specifications
for the plastic enclosure.
10 Smartcat (BL2100)
3. Reconnect the RabbitCore module to headers J16 and J17 on the BL2100 main board it
TVS1
L1
D1
C5
D3
C8
C9
R160
C101
RP9
U16 U17
R151
C95
R158
R159
C100
C25
C21
C22
R187
R134
TP4
R135
C86
U13
BT1
C48
C52
C46
C44
C43
C13
RP4
RP3
RP15
RP14
C87
C89
R140
U12
R133
C85
R132
C88
R139
C51
C50
C49
C24
C92
C90
R148R143
C93
C94
C98
C99
C103
C104
R174
C111 R172
C106
R165
R161
R156
R154
R149
R147
C102
C97
C96
R152
C91
U18
DI08 DI09 DI10 DI11 DI12 DI13 DI14 DI15 RS485 RS485 PE5-INT GND DIO23 DIO22 DIO21 DIO20 DIO19 DIO18 DIO17 DIO16 DIO15 DIO14 DIO13 DIO12 DIO11 DIO10
Q26
D14
C74
R103
R99
C72
Q55
Q43
Q47
Q51
R95
R138
JP1
U7
R82
C61
Q30
Q34
R90
R136
R106
R81
C17
R96
Q52
Q48
J17
D18
C82
RP7
Q44
Q56
C75
D15
Q71
R104
R100
C69
Q67
Q63
Q59
Q4
Q5
RP5
RP6
U4
C14
J16
R11
R9
R10
R119
R186
R142
R8
R7
JP6
J14
Q78
J22
J20
J4
D6
Q23
RP11
C58
R78
Q11
R74
Q15
C54
Q19
R70
C15
U5 U10
C118
Q21
Q17
R72
C56
Q32
Q36
R84
C63
R88
R92
Q28
Q40
C67
D11
C60
D8
Q25
Q13
R80
R76
D9
C65
R86
Q38
U20
C113
C110
C27
R175
C114
R179
R178
R177
C115
R180
R173
C112
R181
Q74
Q75
R176
C12
C6
C7
C11
U1
J21
U2
J7
+K2 +K1 DO09 DO08 DO07 DO06 DO05 DO04 DO03 DO02 DO01 DO00 GND +RAW 232CR 232CT 232DR 232DT DIO0 DIO1 DIO2 DIO3 DIO4 DIO5 DIO6 DIO7
ADCIN10 ADCIN9 ADCIN8 ADCIN7 ADCIN6 ADCIN5 DAC03 DAC02 AGND DAC01 DAC02 ADCIN4 ADCIN3 ADCIN2 ADCIN1 ADCIN0
J1
J11
R162
R155
R153
R145
R146
C26
Battery
J1
R2
C3
D2
R7
C27
R8
R36
RT1
R41
R37
R38
D1
R39
Y2
C2
C1
U8
U7
U3
U6
C7
GND
GND
EGND
DS2
LNK
ACT
DS1
R19
Q3
Q4
Q5
Q2
R1
Y1
C4
C17
C8
R9
R13
R11
U1
BT1
R15
C12
R17
R20
C13
Y3
R16
R22
R21
C14
R18
C25
C28
D3
J2
JP4
JP3
JP1
JP6
C30
JP2
JP5
C29
U2
Flash
EPROM
J16
J17
was removed from earlier as shown in Figure 4. Be careful to align the pins over the headers, and do not bend them as you press down to mate the module with the BL2100 main board.
NOTE: If you are working with more than one BL2100 at a time, take care to keep the
BL2100 main boards and their corresponding RabbitCore modules paired since the Rab­bitCore modules store calibration constants specific to the BL2100 main board to which they are plugged in.
User’s Manual 11
Figure 4. Reconnect RabbitCore Module
to BL2100 Main Board
4. Connect the programming cable to download programs from your PC and to program
TVS1
L1
D1
C5
D3
C8
C9
R160
C101
RP9
U16 U17
R151
C95
R158
R159
C100
C25
C21
C22
R187
R134
TP4
R135
C86
U13
BT1
C48
C52
C46
C44
C43
C13
RP4
RP3
RP15
RP14
C87
C89
R140
U12
R133
C85
R132
C88
R139
C51
C50
C49
C24
C92
C90
R148R143
C93
C94
C98
C99
C103
C104
R174
C111 R172
C106
R165
R161
R156
R154
R149
R147
C102
C97
C96
R152
C91
U18
DI08 DI09 DI10 DI11 DI12 DI13 DI14 DI15 RS485 RS485 PE5-INT GND DIO23 DIO22 DIO21 DIO20 DIO19 DIO18 DIO17 DIO16 DIO15 DIO14 DIO13 DIO12 DIO11 DIO10
Q26
D14
C74
R103
R99
C72
Q55
Q43
Q47
Q51
R95
R138
JP1
U7
R82
C61
Q30
Q34
R90
R136
R106
R81
C17
R96
Q52
Q48
J17
D18
C82
RP7
Q44
Q56
C75
D15
Q71
R104
R100
C69
Q67 Q63
Q59
Q4
Q5
RP5
RP6
U4
C14
J16
R11
R9
R10
R119
R186
R142
R8
R7
JP6
J14
Q78
J22
J20
J4
D6
Q23
RP11
C58
R78
Q11
R74
Q15
C54
Q19
R70
C15
U5 U10
C118
Q21
Q17
R72
C56
Q32
Q36
R84
C63
R88
R92
Q28
Q40
C67
D11
C60
D8
Q25
Q13
R80
R76
D9
C65
R86
Q38
U20
C113
C110
C27
R175
C114
R179
R178
R177
C115
R180
R173
C112
R181
Q74
Q75
R176
C12
C6
C7
C11
U1
J21
U2
J7
+K2 +K1 DO09 DO08 DO07 DO06 DO05 DO04 DO03 DO02 DO01 DO00 GND +RAW 232CR 232CT 232DR 232DT DIO0 DIO1 DIO2 DIO3 DIO4 DIO5 DIO6 DIO7
ADCIN10 ADCIN9 ADCIN8 ADCIN7 ADCIN6 ADCIN5 DAC03 DAC02 AGND DAC01 DAC02 ADCIN4 ADCIN3 ADCIN2 ADCIN1 ADCIN0
J1
J11
R162
R155
R153
R145
R146
C26
Battery
J1
R2
C3
D2
R7
C27
R8
R36
RT1
R41
R37
R38
D1
R39
Y2
C2
C1
U8
U7
U3
U6
C7
GND
GND
EGND
DS2
LNK
ACT
DS1
R19
Q3
Q4
Q5
Q2
R1
Y1
C4
C17
C8
R9
R13
R11
U1
BT1
R15
C12
R17
R20
C13
Y3
R16
R22
R21
C14
R18
C25
C28
D3
J2
JP4
JP3
JP1
JP6
C30
JP2
JP5
C29
U2
Flash
EPROM
PROG
J1
Colored edge
To PC COM port
Programming Cable
DIAG
PROG
Red
shrink wrap
and debug the BL2100.
Connect the 10-pin PROG connector of the programming cable to header J1 on the BL2100 RabbitCore module. Ensure that the colored edge lines up with pin 1 as shown. (Do not use
DIAG connector, which is used for a nonprogramming serial connection.) Connect the
the other end of the programming cable to a COM port on your PC. Make a note of the port to which you connect the cable, as Dynamic C will need to have this parameter configured. Note that COM1 on the PC is the default COM port used by Dynamic C.
Figure 5. Programming Cable Connections
NOTE: Never disconnect the programming cable by pulling on the ribbon cable. Carefully
pull on the connector to remove it from the header.
NOTE: Some PCs now come equipped only with a USB port. It may be possible to use an
12 Smartcat (BL2100)
RS-232/USB converter with the programming cable supplied with the Tool Kit. An RS­232/USB converter (part number 20-151-0178) is available through the Web store. Note that not all RS-232/USB converters work with Dynamic C.
5. Connect the power supply. First, prepare the AC adapter for the country where it will be used by selecting the plug.
The BL2100 Tool Kit presently includes Canada/Japan/U.S., Australia/N.Z., U.K., and European style plugs. Snap in the top of the plug assembly into the slot at the top of the AC adapter as shown in Figure 5, then press down on the spring-loaded clip below the plug assembly to allow the plug assembly to click into place.
Connect the bare ends of the power supply to the +RAW and GND positions on screw­terminal header J5 (IDC header J4) as shown in Figure 6.
Figure 6. Power Supply Connections
6. Apply power. Plug in the AC adapter. If you are using your own power supply, it must provide 9 to
36 V DC (13 to 36 V DC if you intend to use the full range of the D/A converter outputs)—voltages outside this range could damage the BL2100.
CAUTION: Unplug the power supply while you make or otherwise work with the connections
to the headers. This will protect your BL2100 from inadvertent shorts or power spikes.
NOTE: A hardware RESET is done by unplugging the AC adapter, then plugging it back in.
User’s Manual 13

2.2 Installing Dynamic C

If you have not yet installed Dynamic C version 7.06 (or a later version), do so now by inserting the Dynamic C CD in your PC’ s CD-ROM drive. The CD will auto-install unless you have disabled auto-install on your PC.
If the CD does not auto-install, click Start > Run from the Windows Start button and browse for the Dynamic C setup.exe file on your CD drive. Click OK to begin the installation once you have selected the setup.exe file.
The installation program will guide you through the installation process. Most steps of the process are self-explanatory.
Dynamic C uses a COM (serial) port to communicate with the target development system. The installation allows you to choose the COM port that will be used. The default selec­tion is COM1. You may select any available port for Dynamic C’s use. If you are not cer­tain which port is available, select COM1. This selection can be changed later within Dynamic C.
Once your installation is complete, you will have up to three icons on your PC desktop. One icon is for Dynamic C, one opens the documentation menu, and the third is for the Rabbit Field Utility, a tool used to download precompiled software to a target system.
If you have purchased the optional Dynamic C Rabbit Embedded Security Pack, install it after installing Dynamic C. You must install the Rabbit Embedded Security Pack in the same directory where Dynamic C was installed.
The Dynamic C User’s Manual provides detailed instructions for the installation of Dynamic C and any future upgrades.
NOTE: If you have an earlier version of Dynamic C already installed, the default installation
of the later version will be in a different folder, and a separate icon will appear on your desk­top.
14 Smartcat (BL2100)

2.3 Starting Dynamic C

Once the BL2100 is connected to your PC and to a power source, start Dynamic C by double-
clicking on the Dynamic C
icon on your desktop or in your Start menu.
If you are using a USB port to connect your computer to the BL2100, choose Options >
Project Options
and select “Use USB to Serial Converter” under the Communications
tab. Click OK.

2.4 Run a Sample Program

Use the File menu to open the sample program PONG.C, which is in the Dynamic C
SAMPLES folder. Press function key F9 to compile and run the program. The STDIO
window will open on your PC and will display a small square bouncing around in a box. This program shows that the CPU is working. The sample program described in
Section 5.2.3, “Run the PINGME.C Demo,” tests the TCP/IP portion of the board.

2.4.1 Troubleshooting

If Dynamic C cannot find the target system (error message "No Rabbit Processor
Detected."
• Check that the BL2100 is powered correctly — the AC adapter should be plugged in to the
+RAW and GND positions on screw-terminal header J5 (IDC header J4).
):
• Check both ends of the programming cable to ensure that they are firmly plugged into
the PC and the PROG connector, not the DIAG connector, is plugged in to the program­ming port on the RabbitCore module with the marked (colored) edge of the program­ming cable towards pin 1 of the programming header.
• Ensure that the RabbitCore module is firmly and correctly installed in its connectors on
the BL2100 main board.
• Dynamic C uses the COM port specified during installation. Select a different COM
port within Dynamic C. From the
Communications. Select another COM port from the list, then click OK. Press <Ctrl-Y> to force Dynamic C to recompile the BIOS. If Dynamic C still reports it is
Options menu, select Project Options, then select
unable to locate the target system, repeat the above steps until you locate the COM port used by the programming cable.
If Dynamic C appears to compile the BIOS successfully, but you then receive a communi­cation error message when you compile and load a sample program, it is possible that your PC cannot handle the higher program-loading baud rate. Try changing the maximum download rate to a slower baud rate as follows.
• Locate the
Serial Options dialog in the Dynamic C Options > Communications
menu. Select a slower Max download baud rate.
User’s Manual 15
If a program compiles and loads, but then loses target communication before you can begin debugging, it is possible that your PC cannot handle the default debugging baud rate. Try lowering the debugging baud rate as follows.
• Locate the Serial Options dialog in the Dynamic C Options > Communications menu. Choose a lower debug baud rate.

2.5 Where Do I Go From Here?

If the sample program ran fine, you are now ready to go on to other sample programs and to develop your own applications. The source code for the sample programs
you to modify them for your own use. The BL2100 User’s Manual also provides complete
hardware reference information and describes the software function calls for the BL2100 and the optional LCD/keypad module.
For advanced development topics, refer to the Dynamic C User’s Manual and the Dynamic C TCP/IP User’s Manual, also in the online documentation set.

2.5.1 Technical Support

NOTE: If you purchased your BL2100 through a distributor or Rabbit partner, contact the
distributor or partner first for technical support.
If there are any problems at this point:
is provided to allow
• Use the Dynamic C Help menu to get further assistance with Dynamic C.
• Check the Rabbit Technical Bulletin Board and forums at www.rabbit.com/support/bb/
and at www.rabbit.com/forums/.
• Use the Technical Support e-mail form at www.rabbit.com/support/.
If the sample program ran fine, you are now ready to go on to explore other BL2100 fea­tures and develop your own applications.
Chapter 3, “Subsystems,” provides a description of the BL2100’s features, Chapter 4, “Software,” describes the Dynamic C software libraries and introduces some sample pro­grams, and Chapter 5, “Using the TCP/IP Features,” explains the TCP/IP features.
16 Smartcat (BL2100)

3. SUBSYSTEMS

Ethernet
SRAM
Flash
11 MHz
osc
32 kHz
osc
RabbitCore Module
Decoder
Control
Interface
to
LCD/Keypad
Module
RABBIT
2000
RS-232
RS-485
Data
Register
Data
Register
A/D
Converter
D/A
Converter
Digital
Input
Digital
Output
Chapter 3 describes the principal subsystems for the BL2100.
•Digital I/O
•Serial Communication
•A/D Converter Inputs
•D/A Converter Outputs
•Analog Reference Voltage Circuit
•Memory
•External Interrupts
Figure 7 shows these Rabbit-based subsystems designed into the BL2100.
User’s Manual 17
Figure 7. BL2100 Subsystems

3.1 BL2100 Pinouts

J2
12
11
10
9
8
7
6
5
4
3
2
1
J10
14
13
12
11
10
9
8
7
6
5
4
3
2
1
J5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
J8
J1
R2
C3
D2
R7
C27
R8
R36
RT1
R41
R37
R38
D1
R39
Y2
C2
C1
U8
U7
U3
U6
C7
GND
GND
EGND
DS2
LNK
ACT
DS1
R19
Q3
Q4
Q5
Q2
R1
Y1
C4 C17
C8
R9
R13
R11
U1
BT1
R15
C12
R17
R20
C13
Y3
R16
R22
R21
C14
R18
C25
C28
D3
J2
JP4
JP3
JP1
JP6
C30
JP2
JP5
C29
U2
Flash
EPROM
J2
J14
Digital
Outputs
Digital Inputs
RS-232
Power
Supply
K
Digital Inputs
Digital
Outputs
RS-485
Digital Inputs
Analog
Inputs
Analog
Inputs
Analog
Ground
Analog
Outputs
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
IN07
IN06
IN05
IN04
IN03
IN02
IN01
IN00
TXB
RXB
TXC/RTS
RXC/CTS
+RAW
GND
OUT00
OUT01
OUT02
OUT03
OUT04
OUT05
OUT06
OUT07
OUT08
OUT09
+K1
+K2
IN08
IN09
IN10
IN11
IN12
IN13
IN14
IN15
RS-485+
RS-485
PE5INT
GND
IN23
IN22
IN21
IN20
IN19
IN18
IN17
IN16
OUT15
OUT14
OUT13
OUT12
OUT11
OUT10
ADC00 ADC01 ADC02 ADC03 ADC04 DAC0 DAC1 AGND DAC2 DAC3 ADC05 ADC06 ADC07 ADC08 ADC09 ADC10
Battery
The BL2100 pinouts are shown in Figure 8(a) and Figure 8(b).
NOTE: Screw-terminal header J2 and the associated analog I/O are not available on the
BL2110 and the BL2130.
Figure 8(a). BL2100 Pinouts (screw-terminal headers)
18 Smartcat (BL2100)

3.1.1 Headers and Screw Terminals

J2
J10
J4
J7
IN07 IN06
IN05 IN04
IN03 IN02
IN01 IN00
TXB RXB
TXC/RTS RXC/CTS
+RAW GND
OUT00 OUT01
OUT02 OUT03
OUT04 OUT05
OUT06 OUT07
OUT08 OUT09
+K1 +K2
39 37 35 33 31 29 27 25 23 21 19 17 15 13 11
9 7 5 3 1
33 31 29 27 25 23 21 19 17 15 13 11
9 7 5 3 1
IN08 IN09
IN10 IN11
IN12 IN13
IN14 IN15
RS-485+ RS-485
PE5INT
GND
IN23 IN22
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39
ADC00
ADC01
ADC02
ADC03
ADC04
DAC0
DAC1
AGND
DAC2
DAC3
ADC05
ADC06
ADC07
ADC08
ADC09
ADC10
49 47 45 43 41 39 37 35 33 31 29 27 25 23 21 19 17 15 13 11 9 7 5 3 1
IN21 IN20
IN19 IN18
IN17 IN16
OUT15 OUT14
OUT13 OUT12
OUT11 OUT10
J1
R2
C3
D2
R7
C27
R8
R36
RT1
R41
R37
R38
D1
R39
Y2
C2
C1
U8
U7
U3
U6
C7
GND
GND
EGND
DS2
LNK
ACT
DS1
R19
Q3
Q4
Q5
Q2
R1
Y1
C4 C17
C8
R9
R13
R11
U1
BT1
R15
C12
R17
R20
C13
Y3
R16
R22
R21
C14
R18
C25
C28
D3
J2
JP4
JP3
JP1
JP6
C30
JP2
JP5
C29
U2
Flash
EPROM
J1
J13
Digital
Outputs
Digital Inputs
RS-232
Power
Supply
K
Digital Inputs
Digital
Outputs
RS-485
Digital Inputs
Analog
Inputs
Analog
Inputs
Analog
Ground
Analog
Outputs
Battery
Standard BL2100 models are equipped with two 1 × 12 screw-terminal strips (J8 and J14), and two 1 × 14 screw-terminal strips (J5 and J11). The BL2100 and BL2110 also have the RJ-45 Ethernet jack and one 1 × 16 screw-terminal strip (J2).
There is provision on the circuit board to accommodate one of the following types of connectors instead of the screw-terminal strips.
• 2 × 17, 2 × 20, and 2 × 25 IDC headers with a pitch of 0.1".
• 1 × 17, 1 × 20, and 1 × 25 friction-lock connectors with a pitch of 0.1". The holes used
by the friction-lock connectors are on the “outside” edges of the connector locations.
• 1 × 17, 1 × 20, and 1 × 25 bottom-mount sockets with a pitch of 0.1". The holes for the bottom-mount sockets are on the “outside” edges of the connector locations
The pinouts for these connectors are shown in Figure 8(b).
User’s Manual 19
NOTE: Header J1 and the associated analog I/O are not available on the BL2110 and the
BL2130.
Figure 8(b). BL2100 Pinouts (other 0.1" connectors)

3.2 Digital I/O

1 nF
100 kW
27 kW
Rabbit 2000
Microprocessor
Factory Default
Vcc
GND
+K2
0 W
+40 V
+36 V
+3.3 V
40 V
Normal Switching
Levels
Spikes
Digital Input Voltage
Spikes
Spikes

3.2.1 Digital Inputs

The BL2100 has 24 digital inputs, IN00–IN23, each of which is protected over a range of –36 V to +36 V. The inputs are factory-configured to be pulled up to +5 V, but they can also be pulled up to +K2 or down to 0 V in banks of eight by changing a surface-mounted 0 resistor as shown in Figure 9.
Figure 9. BL2100 Digital Inputs [Pulled Up—Factory Default]
NOTE: If the inputs are pulled up to +K2, the voltage range over which the digital inputs
are protected changes to K2 – 36 V to +36 V.
The actual switching threshold is approximately 2.40 V. Anything below this value is a logic 0, and anything above is a logic 1.
The digital inputs are each fully protected over a range of -36 V to +36 V, and can handle short spikes of ±40 V.
Figure 10. BL2100 Digital Input
20 Smartcat (BL2100)
Protected Range

3.2.2 Digital Outputs

K1 or K2
D-REF
DCNTL_[015]
K1 or K2
D-REF
DCNTL_[015]
SINKING OUTPUT
SOURCING OUTPUT
The BL2100 has 16 digital outputs, OUT00–OUT15, which can each sink or source up to 200 mA. Figure 11 shows a wiring diagram for using the digital outputs in a sinking or a souring configuration.
All the digital outputs sink and source actively. They can be used as high-side drivers, low-side drivers, or as an H-bridge driver. When the BL2100 is first powered up or reset, all the outputs are disabled, that is, at a high-impedance status, until the digoutConfig software function call is made. The digoutConfig call sets the initial state of each digi­tal output according to the configuration specified by the user, and enables the digital out­puts to their initial status.
OUT00–OUT07 are powered by to +K1, and OUT08–OUT15 are powered by +K2. K1 and K2 can each be up to 36 V. They don't have to be same.
All the sinking current, which could be up to 3.2 A, is returned through the GND pins. Be sure to use a suitably sized GND and keep the distance to the power supply as short as possible. Since there are two GND terminals (header J5/J4, and header J11/J10), it is
Figure 11. BL2100 Digital Outputs
User’s Manual 21
highly recommend that you split the GND returns according to the two banks of digital
+K
+K
LOAD
A
A
B
B
outputs.
For the H bridge, which is shown in Figure 12, K1 and K2 should be the same if two digital out­puts used for the H bridge are on different banks.
Figure 12. H Bridge
22 Smartcat (BL2100)

3.3 Serial Communication

The BL2100 has two RS-232 serial ports, which can be configured as one RS-232 serial channel (with R TS/CTS) or as two RS-232 (3-wire) channels using the serMode software function call. Table 2 summarizes the options.
Table 2. Serial Communication Configurations
Serial Port
Mode
B C D
0 RS-232, 3-wire RS-232, 3-wire RS-485 1 RS-232, 5-wire CTS/R TS RS-485
The BL2100 also has one RS-485 serial channel and one CMOS serial channel that serves as the programming port.
All four serial ports operate in an asynchronous mode. An asynchronous port can handle 7 or 8 data bits. A 9th bit address scheme, where an additional bit is sent to mark the first byte of a message, is also supported. Serial Port A, the programming port, can be operated alternately in the clocked serial mode. In this mode, a clock line synchronously clocks the data in or out. Either of the two communicating devices can supply the clock. The BL2100 boards typically use all four ports in the asynchronous serial mode. Serial Ports B and C are used for RS-232 communication, and Serial Port D is used for RS-485 communica­tion. The BL2100 uses an 11.0592 MHz crystal, which is doubled to 22.1 184 MHz. At this frequency, the BL2100 supports standard asynchronous baud rates up to a maximum of 230,400 bps.

3.3.1 RS-232

The BL2100 RS-232 serial communication is supported by an RS-232 transceiver. This transceiver provides the voltage output, slew rate, and input voltage immunity required to meet the RS-232 serial communication protocol. Basically, the chip translates the Rabbit 2000’ s CMOS/TTL signals to RS-232 signal levels. Note that the polarity is reversed in an RS-232 circuit so that a +5 V output becomes approximately -10 V and 0 V is output as +10 V. The RS-232 transceiver also provides the proper line loading for reliable commu­nication.
RS-232 can be used effectively at the BL2100’s maximum baud rate for distances of up to 15 m.

3.3.2 RS-485

The BL2100 has one RS-485 serial channel, which is connected to the Rabbit 2000 Serial Port D through an RS-485 transceiver. The half-duplex communication uses the Rabbit 2000’s PB6 pin to control the transmit enable on the communication line.
User’s Manual 23
The BL2100 can be used in an RS-485 multidrop network. Connect the 485+ to 485+ and
C48
C52
C46
C44
C43
C13
RP4
RP3
RP15
RP14
C87
C89
R140
R133
C85
R132
C88
R139
C51
C50
C49
DI08 DI09 DI10 DI11 DI12 DI13 DI14 DI15 RS485 RS485 PE5-INT GND DIO23 DIO22 DIO21 DIO20 DIO19 DIO18 DIO17 DIO16 DIO15 DIO14 DIO13 DIO12 DIO11 DIO10
D18
C82
RP7
JP6
J14
ADCIN1 ADCIN0
J11
C48
C52
C46
C44
C43
C13
RP4
RP3
RP15
RP14
C87
C89
R140
R133
C85
R132
C88
R139
C51
C50
C49
DI08 DI09 DI10 DI11 DI12 DI13 DI14 DI15 RS485 RS485 PE5-INT GND DIO23 DIO22 DIO21 DIO20 DIO19 DIO18 DIO17 DIO16 DIO15 DIO14 DIO13 DIO12 DIO11 DIO10
D18
C82
RP7
JP6
J14
ADCIN1 ADCIN0
J11
C48
C52
C46
C44
C43
C13
RP4
RP3
RP15
RP14
C87
C89
R140
R133
C85
R132
C88
R139
C51
C50
C49
DI08 DI09 DI10 DI11 DI12 DI13 DI14 DI15 RS485 RS485 PE5-INT GND DIO23 DIO22 DIO21 DIO20 DIO19 DIO18 DIO17 DIO16 DIO15 DIO14 DIO13 DIO12 DIO11 DIO10
D18
C82
RP7
JP6
J14
ADCIN1 ADCIN0
J11
IN2
GND
PE5-INT
485
485+
IN15
IN14
IN1
J11
12
11
10
9
8
7
Ground recommended
485– to 485– using single twisted-pair wires (nonstranded, tinned) as shown in Figure 13. Note that a common ground is recommended.
24 Smartcat (BL2100)
Figure 13. BL2100 Multidrop Network
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