ICP DAS USA I-2533CS Series User manual

I-2533CS series
User Manual
Version 1.0.0, Sep. 2013
I-2533CS series CAN to Single Mode Fiber Bridge User Manual (version 1.0.0)
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Service and usage information for
I‐2533CS/I‐2533CS‐60/I‐2533CS‐A/I‐2533CS‐B
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I-2533CS series CAN to Single Mode Fiber Bridge User Manual (version 1.0.0)
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Warranty
All products manufactured by ICP DAS are under warranty regarding defective
materials for a period of one year, beginning from the date of delivery to the
original purchaser.
Warning
ICP DAS assumes no liability for any damage resulting from the use of this
product.ICP DAS reserves the right to change this manual at any time without
notice. The information furnished by ICP DAS is believed to be accurate and
reliable. However, no responsibility is assumed by ICP DAS for its use, not for any
infringements of patents or other rights of third parties resulting from its use.
Copyright
Copyright @ 2013 by ICP DAS Co., Ltd. All rights are reserved.
Trademark
The names used for identification only may be registered trademarks of their
respective companies.
Contact us
If you have any problem, please feel free to contact us.
You can count on us for quick response.
Email: [email protected]
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I-2533CS series CAN to Single Mode Fiber Bridge User Manual (version 1.0.0)
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TableofContents
1. Introduction..................................................................................................... 4
1.1. Specifications ............................................................................................ 6
1.2. Features..................................................................................................... 8
2. Technical data.................................................................................................. 9
2.1. Block Diagram.......................................................................................... 9
2.2. Appearance ............................................................................................. 10
2.3. Pin Assignment ........................................................................................11
2.4. Rotary Switch ......................................................................................... 12
2.5. LED Indicator......................................................................................... 13
2.6. Terminator Resistor Setup..................................................................... 14
2.7. Module Group ID................................................................................... 16
2.8. Wire Connection..................................................................................... 18
3. Network Deployment..................................................................................... 19
3.1. Driving Capability.................................................................................. 19
3.2. Fiber Selection & Fiber Length............................................................. 20
4. Setup the I-2533CS series ............................................................................. 21
4.1. Install the I-2533CS Utility.................................................................... 21
4.2. Setting up the I-2533CS series............................................................... 24
4.2.1. User-defined CAN Baud Rate Configuration ................................ 25
4.2.2. CAN Filter Configuration................................................................ 26
4.2.2.1. Configure a CAN Filter to the I-2533CS................................... 27
4.2.2.2. Download Existent CAN Filter File to the I-2533CS................ 32
4.2.2.3. Read the I-2533CS CAN Filter Configuration.......................... 33
5. Firmware Upgrade ........................................................................................ 34
6. Dimension...................................................................................................... 37
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1. Introduction

The I-2533CS series (I-2533CS, I-2533CS-60, I-2533CS-A and I-2533CS-B) is a
local CAN bridge used to establish a connection between two CAN bus system via
single mode fiber optic transmission medium. In order to solve the problem between
CAN and fiber transmission medium, The I-2533CS series is specially designed for
converting the electrical CAN bus signal to fiber optic cables. Besides, I-2533CS series
has three more important features.
First, the transmission distance limitation of the CAN bus system will not affected
due to the different CAN baud rate. It means that the total CAN bus working distance
can be extended. Second, the bus error on one CAN network will not affect the
operation of another CAN network. Finally, the two CAN network can communication
with each other by using different CAN baud rate for highly flexibility.
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I-2533CS series CAN to Single Mode Fiber Bridge User Manual (version 1.0.0)
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The mainly difference between I-2533 and I-2533CS series are fiber connectors
and transmission distance. The I-2533CS series is designed for single mode fiber, and
allow to extern CAN bus to maximum 30 km. Besides, I-2533CS provides the group
function, which is the basic message router. Users can decide the CAN message flows
between several CAN bus systems. I-2533CS series also provides the utility tool for
user-defined baud rate and filter configuration. By using this tool, it is allowed to have
user-defined baud rate and CAN message filter. When users use the I-2533CS series
on two CAN network with different CAN baud rate, it may be useful to reduce the bus
loading of the network which has low baud rate.
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I-2533CS series CAN to Single Mode Fiber Bridge User Manual (version 1.0.0)
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
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I-2533CS series CAN to Single Mode Fiber Bridge User Manual (version 1.0.0)
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1.1. Specifications
Model Name I-2533CS I-2533CS-60 I-2533CS-A /
I-2533CS-B
CAN Interface
Connector Screwed terminal block (CAN_GND, CAN_L, CAN_H)
Baud Rate (bps) 10 k ~ 1 M
Transmission Distance
(m) Depend on baud rate
Terminator Resistor Switch for 120Ωterminator resistor
Isolation 3000 VDC for DC-to-DC, 2500 Vrms for photo-couple
Specification ISO 11898-2, CAN 2.0A and CAN 2.0B
Fiber Interface
Type SC type ; Single mode ; 100 Base-FX
Wave Length (nm) 1310
TX: 1310, RX: 1550 for
I-2533CS-A
TX: 1550, RX: 1310 for
I-2533CS-B
Fiber Cable (μm) 8.3/125, 8.7/125, 9/125 or 10/125
Transmission Distance
(km) 30 (indicative only) 60 (indicative only) 15 (indicative only), (9/125 μm recommended)
Min. TX Output (dBm) -15 -5 -8
Max. TX Output (dBm) -8 0 -14
Max. RX Sensitivity
(dBm) -34 -35 -31
Max. RX Overload
(dBm) -5 0
Budget (dBm) 19 30 23
UART Interface
COM1 RS-232 (configuration only)
COM1 Connector Screwed terminal block (RXD, TXD, GND)
LED
Round LED PWR, FB_Ack, FB_Err, CAN_Err, CAN_Tx and CAN_Rx LEDs
Power
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
Note:
The I-2533CS-A and I-2533CS-B is a couple. Users must use pair in the applications.
Due to this characteristic, the Group ID of the I-2533CS-A and I-2533CS-B is useless.

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I-2533CS series CAN to Single Mode Fiber Bridge User Manual (version 1.0.0)
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Power supply Unregulated +10 ~ +30 VDC
Protection Power reverse polarity protection, Over-voltage brown-out protection
Power Consumption 0.125 @ 24VDC
Mechanism
Installation DIN-Rail
Dimensions 33.0 mm x 126 mm x 101 mm (W x L x H)
Environment
Operating Temp. -25 ~ 75 ℃
Storage Temp. -30 ~ 80 ℃
Humidity 10 ~ 90% RH, non-condensing
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I-2533CS series CAN to Single Mode Fiber Bridge User Manual (version 1.0.0)
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1.2. Features
¾Fiber Type: SC ; Single mode ; 100 Base-FX
¾Maximum transmission distance up to 30 km (60km for I-2533CS-60, 15km for
I-2533CS-A and I-2533CS-B) at any CAN baud rate
¾NXP TJA1042 CAN transceiver
¾2500 Vrms isolation on the CAN side
¾Supports both CAN 2.0A and CAN 2.0B
¾Fully compatible with the ISO 11898-2 standard
¾Rotary switch for CAN baud rate configuration
¾Build-in switch for 120 Ωterminator resistor
¾Removable terminal block, Mount easily on DIN-Rail
¾Allows user-defined CAN baud rate
¾Fiber broken line detection
¾Utility tool for CAN message filter configuration
¾The CAN port with the same Group ID can communicate with each other
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2. Technical data

2.1. Block Diagram
The following figure is the block diagram illustrating the functions of the I-2533CS
series.

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I-2533CS series CAN to Single Mode Fiber Bridge User Manual (version 1.0.0)
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Figure 2-1 Block Diagram of I-2533CS series
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2.2. Appearance

Figure 2-2 Appearance of I-2533CS and I-2533CS-60
Figure 2-3 Appearance of I-2533CS-A and I-2533CS-B
I-2533CS series CAN to Single Mode Fiber Bridge User Manual (version 1.0.0)
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I-2533CS series CAN to Single Mode Fiber Bridge User Manual (version 1.0.0)
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2.3. Pin Assignment
The pin assignments of COM port, CAN port, fiber port and power connector of
I-2533 series are shown in the following tables.
Table 2-1 Pin Assignment
Port Name Description
COM TXD TXD pin of RS-232 port.
RXD RXD pin of RS-232 port.
GND SG (or GND) pin of RS-232 port.
CAN CAN_L CAN_Low, signal line of CAN port.
CAN_H CAN_High, signal line of CAN port.
CAN_GND CAN_Ground, ground voltage level of CAN port.
Fiber TxD Transmit optic data.
RxD Receive optic data.
Power +VS Voltage Source Input. +10VDC ~ +30VDC.
GND Power Ground.
F.G. Frame Ground.

Sometimes, the CAN_GND voltage level of different CAN devices on a CAN bus
system are not equal. In this case, it could cause some problems and derogate the
system stability. There is one way to relieve this situation; users can connect the
CAN_GND of different CAN devices with each other to balance the voltage level of
CAN_GND.
Electronic circuits are always influenced by different levels of Electro-Static
Discharge (ESD), which become worse in a continental climate area. F.G. provides a
path for conducting the ESD to the earth ground. Therefore, connecting the F.G
correctly can enhance the capability of the ESD protection and improve the module’s
reliability.
Wiring of CAN_GND and F.G. is not necessary; users can modify the configuration
of wiring according to real applications.

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2.4. Rotary Switch
When users would like to update the module’s firmware or set the CAN baud rate,
message filter of the I-2533CS series, use the rotary switch on the upper of the power
connector to achieve this purpose. Users can find it on the top of the power connector.
Figure 2-4 Location of Rotary Switch
There are 16 sections on the rotary switch. They are described on the following
table.
Table 2-2 Description of Rotary Switch
Switch Value Description
0 Set baud rate to 10 kbps
1 Set baud rate to 20 kbps
2 Set baud rate to 50 kbps
3 Set baud rate to 80 kbps
4 Set baud rate to 100 kbps
5 Set baud rate to 125 kbps
6 Set baud rate to 250 kbps
7 Set baud rate to 500 kbps
8 Set baud rate to 800 kbps
9 Set baud rate to 1 Mbps
A Set baud rate to user-defined baud rate which is configured
by I-2533CS utility.
B~D N/A
E Set I-2533CS into firmware update mode.
F Set I-2533CS into configuration mode.
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2.5. LED Indicator
There are 6 LEDs on the I-2533CS series. One for power indication, two for fiber
indication and three for CAN bus indication. The LED assignment and description are
shown as follows.
Figure 2-5 LED Assignment of I-2533CS
Table 2-3 LED Description
LED Name Color Description
PWR Red When power on the I-2533CS series, this LED is turned on.
FB_Ack Green
When the I-2533CS series sends/receives one message
to/from the fiber, this LED flashes once.
FB_Err Orange
If the I-2533CS series detects the RXD line of the fiber is off,
this LED is always on.
CAN_Err Red
1. If the I-2533CS series detects the bus-off status on the
CAN bus, this LED is always on.
2. If the CAN data buffer is full, this LED flashes once per
second.
3. If the I-2533CS series can’t send CAN messages
successfully because the bus connector is off or some
errors happen, this LED flashes five times per second.
CAN_Tx Green
When the I-2533CS series sends one CAN message to CAN
bus, this LED flashes once. Therefore, if bus loading is
heavy, the LED will be always on.
CAN_Rx Green
When the I-2533CS series receives one CAN message from
CAN bus, this LED flashes once. Therefore, if bus loading is
heavy, the LED will be always on.
NOTE:
In “Firmware Update Mode”, the CAN_Err, CAN_Tx, CAN_Rx and FB_Err LEDs will
flash per 500 milliseconds.
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In “Configuration Mode”, the CAN_Err, CAN_Tx, CAN_Rx and FB_Err LEDs will take
turns to flash per 500 milliseconds.
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2.6. Terminator Resistor Setup
In order to minimize the reflection effects on the CAN bus line, the CAN bus line has
to be terminated at both ends by two terminator resistors as in the following figure.
According to the ISO 11898-2 spec, each terminator resistor is 120Ω(or between
108Ω~132Ω). The bus topology and the positions of these terminator resistors are
shown as following figure.


Figure 2.6 CAN bus network topology

Each I-2533CS series includes one build-in 120Ωterminator resistor, users can
decide if it is enabled or not. The DIP switch for terminator resistor is under the power
connector.

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Figure 2-7 Location of Terminator Resistor DIP Switch
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The following DIP switch statuses present the condition if the terminator resistor is
active (default) or inactive.
Figure 2-8 Adjustment of Terminal Resistance
Generally, if your application is as follows, we recommend you to enable the
terminator resistor.
Figure 2-9 Application 1
If your application is like the structure as follows, the terminator resistor is not
needed.
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Figure 2-10 Application 1
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2.7. Module Group ID

The CAN port with the same “Group ID” setting can communicate with each other
via fiber optics. This setting is used for I-2533CS series to communicate with the others
modules on star topology application.


Each I-2533CS series includes one DIP switch for “Group ID”. Users can decide the
value from 0 to 3. The DIP switch for “Group ID” is under the power connector.

Figure 2-11 Location of Group ID DIP Switch
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The following DIP switch statuses present the “Module Group ID” value.

Table 2-4 Group ID Description
Dip switch statuses Group ID value
00
01
02
03
The following “Module Group ID” values of device A and B present these ID are in the
same group which can communicate with each other.

Table 2-5 Group of “Module Group ID”
Device A Group ID value Device B Group ID value
00 00
01 01 or 03
02 02 or 03
03 01 or 02 or 03
For example, there are three CAN networks, Network A, Network B and Network C, and
each of them uses one I-2533CS. The Group IDs of the I-2533CSs are 1, 2, and 3
respectively. The Network A can exchange the data with Network C because the Group
IDs of the I-2533CSs are in the same group (the second rule in the above table). The
Network B can exchange the data with Network C, which follows the third rule in the
above table. The Network A can’t connect with the Network B because these two
I-2533CSs are not in the same group.
Note:
The I-2533CS-A and I-2533CS-B don’t support the Group function. When using the
I-2533CS-A and I-2533CS-B, the Group ID of them must be the same.
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2.8. Wire Connection
The wire connection of the I-2533CS series is displayed below.

Figure 2-12 Wire Connection for I-2533CS and I-2533CS-60
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Figure 2-13 Wire Connection for I-2533CS-A and I-2533CS-B
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
3. Network Deployment

3.1. Driving Capability
Before introducing the driving capability of the I-2533CS series, some
characteristics of copper cable must be assumed. The AC parameters are 120Ω
impedance and 5ms/, line delay, and the DC parameter follows the table show below.
Table 3-1 Recommended DC parameter for CAN Bus Line
Wire Cross-Section [mm2] Resistance [Ω/km]
~0.25 (AWG23) < 90
~0.5 (AWG20) < 50
~0.8 (AWG18) < 33
~1.3 (AWG16) < 20

Under the condition described above, users can refer to the following table to know
the maximum node number in each segment following ISO 11898-2 and the maximum
segment length when using different type of wire.
Table 3-2 Driving Capability
The maximum segment length [m] under the case of
specific node number in this segment
Wire Cross-Section
[mm2] 16 Nodes 32 Nodes 64 Nodes 100 Nodes
~0.25 (AWG23) < 220 < 200 < 170 < 150
~0.5 (AWG20) < 390 < 360 < 310 < 270
~0.8 (AWG18) < 590 < 550 < 470 < 410
~1.3 (AWG16) < 980 < 900 < 780 < 670

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3.2. Fiber Selection & Fiber Length
The specification of fiber cable used to connect the I-2533CS series is shown as
following table.
Table 3-3 Specification of Fiber
Type Diameter [μm]
(Core/Cladding)
Operating
Wavelength [nm]
Single mode 8.3/125, 8.7/125,
9/125 or 10/125 1310

The I-2533CS series allows maximum 30km fiber length for each kind of CAN baud.
Although the maximum fiber length has no relationship with the CAN baud rate, but
some fiber attributions, such as attenuation, still influence it. Higher attenuation of fiber
will reduce the transmission distance. User can use following table to know the
relationship between those two.
Table 3-4 The relationship between CAN baud rate and indicative Fiber length
Module Name CAN Baud
Rate [bit/sec] Allowed Fiber length [km]
I-2533CS 30
I-2533CS-60 60
I-2533CS-A /
I-2533CS-B
1 M ~ 10 k
15

Table 3-5 Attenuation & Fiber Length
Module Name Attenuation
[dB/km] Allowed Fiber length [km]
0.4 30
I-2533CS > 0.4 < 30
0.4 60
I-2533CS-60 > 0.4 < 60
0.4 15I-2533CS-A /
I-2533CS-B > 0.4 < 15
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