ICP DAS USA HRT-227CS User manual

HRT-227CS, HART to Single Mode Fiber Converter (version 1.00) –2015/02/02 Page: 1
Copyright © 2015 ICP DAS Co., Ltd. All Rights Reserved. E-mail: [email protected]
HRT-227CS
(HART to Single Mode Fiber Converter)
User’s Manual
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Copyright © 2015 ICP DAS Co., Ltd. All Rights Reserved. E-mail: [email protected]
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 @ 2015 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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Table of Contents
1. Introduction ......................................................................................... 4
1.1. Specifications................................................................................. 5
1.2. Features.......................................................................................... 6
2. Hardware.............................................................................................. 7
2.1. Block Diagram................................................................................ 7
2.2. Appearance .................................................................................... 8
2.3. LED Indicator ................................................................................. 9
2.4. Pin Assignment............................................................................ 10
2.5. HART Loop Resistor.................................................................... 11
2.6. Dip Switch (Mode)........................................................................ 12
2.7. Module Group ID.......................................................................... 13
2.8. Wire Connection .......................................................................... 15
3. Cable Selection ................................................................................. 16
3.1. HART Cable Selection ................................................................. 16
3.2. Fiber Selection & Fiber Length................................................... 17
4. HC_Tool Utility................................................................................... 18
4.1. Set up HRT-227CS ....................................................................... 18
5. Firmware Update ............................................................................... 21
6. Dimension.......................................................................................... 23
7. History Version.................................................................................. 24
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HRT-227CS, HART to Single Mode Fiber Converter (version 1.00) –2015/02/02 Page: 4
Copyright © 2015 ICP DAS Co., Ltd. All Rights Reserved. E-mail: [email protected]
1. Introduction
The HRT-227CS is a HART to Fiber converter paired used to extend HART
communication distance via single mode fiber optic transmission medium. In order to
solve the problem between HART and fiber transmission medium, HRT-227CS is
specially designed for converting the HART signal to fiber optic cables. Built-in a HART
250 Ω loop resistor adjustable by dip switch. Therefore, users can make data collection
and processing of HART network easier and quicker by applying HRT-227CS. In
addition, we also provide the free HC_Tool utility for module configuration easily.
The following is the application structure of HRT-227CS.
Figure 1-1 HART to Fiber application
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1.1. Specifications
HART Interface
Channel
1
Connector
2-pin screwed terminal block (HART+, HART-)
Terminator Resistor
Selectable 250Ω loop resistor
HART Data
Only Digital Data
Isolation
UL1577 Spec.
Fiber Interface
Type
SC Duplex type ; Single mode ; 100 Base-FX
Wave Length (nm)
1310
Fiber Cable (μm)
8.3/125, 8.7/125, 9/125 or 10/125
Transmission Distance (km)
30 (indicative only)
Min./Max. TX Output (dBm)
-15 / -8
Max. RX Sensitivity (dBm)
-34
Max. RX Overload (dBm)
-5
Budget (dBm)
19
UART Interface
COM
RS-232 (TXD / RXD / GND) for configuration (1200, O, 8 ,1)
LED
Round LED
PWR, FB_Ack, FB_Err, HT_Err, HT_Tx and HT_Rx
Power
Power supply
Unregulated +10 ~ +30 VDC
Protection
Power reverse polarity / Over-voltage brown-out protection
Power Consumption
3W
Mechanism
Installation
DIN-Rail
Dimensions
33.0 mm x 126 mm x 101 mm (W x L x H)
Environment
Operating Temperature
-25 to 75 °C
Storage Temperature
-30 to 80 °C
Humidity
10 to 90% RH, non-condensing
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1.2. Features
Support HART Short/Long frame
Support HART Burst mode
Support point-to-point or multi-drop HART mode
Support connecting up to 15 HART slave devices
Allow two HART masters.
Provide HC_Tool for module configuration
Support firmware update via ComPort
Fiber Type:SC ; Single mode ; 100 Base-FX
Fiber maximum transmission distance up to 30 km
Adjustable 250Ωloop resistor by dip switch
Provide Fiber broken line detection
Provide PWR/Fiber/HART LED
Built-in Watchdog
The HART port can communicate with each other with the same Group ID
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2. Hardware
2.1. Block Diagram
The following figure is the block diagram of HRT-227CS.
Figure 2-1 HRT-227CS block diagram
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2.2. Appearance
Figure 2-2 Appearance of HRT-227CS
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2.3. LED Indicator
HRT-227CS provides 6 LED indicators.
(1) Power LED * 1 => PWR
(2) Fiber LED * 2 => FB_Ack / FB_Err
(3) HART LED * 3 => HT_Err / HT_Tx / HT_Rx
Figure 2-3 LED Indicator of HRT-227CS
Table 2-1 LED Description
LED Name
Color
Description
PWR
Red
When power on, the LED will be on.
FB_Ack
Green
When the fiber send/receive message, the LED will flash.
FB_Err
Orange
When detecting the fiber RXD line off, the LED will be on.
HT_Err
Red
When HART send/receive message failed, the LED will flash.
HT_Tx
Green
When HART send messages, the LED will flash.
HT_Rx
Green
When HART receive messages, the LED will flash.
[ NOTE ]
1. ”Firmware Update”mode: HT_Err / HT_Tx / HT_Rx LED will flash every 500ms.
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2.4. Pin Assignment
The below table is the pin assignment for Fiber / COM / HART port of HRT-227CS.
Table 2-2 Pin Assignment
Port
Name
Description
Fiber
RxD
Receive optic data
TxD
Transmit optic data
COM
TXD
TXD pin of RS-232 port
RXD
RXD pin of RS-232 port
GND
SG (or GND) pin of RS-232 port
HART
HART-
HART- signal line of HART port
HART+
HART+ signal line of HART port
Power
F.G.
Frame Ground
GND
Power Ground
+VS
Voltage Source Input. +10VDC ~ +30VDC
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2.5. HART Loop Resistor
HRT-227CS provides a built-in 250Ω (1/4W) HART loop resistor as figure 2-4 and
adjustable by DIP switch (Resistor). When setting to be „ON‟position, the loop resistor
will connect to HART network. The default position of the dip switch is „ON‟.
Figure 2-4 The DIP Switch (Resistor) Location
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2.6. Dip Switch (Mode)
The dip switch (Mode) is used to switch module firmware function (firmware
operation or firmware update) of HRT-227CS. (The detailed description for firmware
update refers to chapter 5)
Figure 2-5 The Dip Switch (Mode) Location
There are 4 values on the dip switch and described as the below table.
Table 2-3 Function Description of Dip Switch
Dip Switch State
Value
Function
00
Firmware Operation
01
Reserved
02
Reserved
03
Firmware Update
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2.7. Module Group ID
The HART port in HRT-227CS with the same module “Group ID”can communicate
with each other via fiber optics. When using on star topology application, it can be used
to distinguish the different HART networks connected together with fiber switch.
[ Example ]
(1) The above HART network 1 uses two HRT-227CS with Group ID=1.
(2) The below HART network 2 uses two HRT-227CS with Group ID=2.
(3) These two HART networks connected together via HRT-227CS with fiber switch.
The HART network 1 and network 2 can communicate simultaneously without any
interfere.
Figure 2-6 “Group ID”application
The “Group ID”value can be set by using rotary switch like Figure 2-7 and the range
is from 0 to F(15).
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Figure 2-7 The Rotary Switch (Group ID) Location
Table 2-4 Group ID Settings
Switch Value
Description
0x0~0xE
Group ID (by hardware)
(If changed, need to reboot for new setting)
0xF
Group ID (by software, range from 0~255, set by HC_Tool)
(If changed, the new setting will work immediately without
reboot)
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2.8. Wire Connection
The wire connection of the HRT-227CS is as below.
Figure 2-8 Wire Connection for HRT-227CS
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3. Cable Selection
3.1. HART Cable Selection
The HART bus is a balanced (differential) 2-wire interface running over a Shielded
Twisted Pair (STP), Un-shielded Twisted Pair (UTP), or Ribbon cable. In general, the
minimum conductor size is 0.51mm diameter (#24 AWG) for cable runs less than 1,500
meters (@ 5,000 ft.) and 0.81mm diameter (#20 AWG) for longer distances. However,
the electrical characteristics of the cable –primarily its capacitance –and the number of
connected devices can affect the maximum allowable cable length. The table below
shows the effect of cable capacitance and the number of network devices on cable
length.
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3.2. Fiber Selection & Fiber Length
The specification of fiber cable for HRT-227CS is shown as below table.
Table 3-1 Specification of Fiber
Fiber Type
Diameter [μm]
(Core/Cladding)
Operating
Wavelength [nm]
Single mode
8.3/125, 8.7/125, 9/125, 10/125
1310
The HRT-227CS allows the maximum 30km fiber length. The higher attenuation of
fiber will reduce the transmission distance. The below table is the relationship between
fiber attenuation and length.
Table 3-2 Attenuation & Fiber Length
Module Name
Attenuation
[dB/km]
Allowed Fiber length [km]
HRT-227CS
0.4
30
> 0.4
< 30
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4. HC_Tool Utility
HC_Tool utility is provided to configure ICP DAS HART converters (like I-7567 /
I-7570 / I-7547 / HRT-227CS) or transmit / receive HART frame for HART
communication easily and quickly. HC_Tool utility can be downloaded from the ICP DAS
web site : http://ftp.icpdas.com/pub/cd/fieldbus_cd/hart/converter/hrt-227CS/software/
4.1. Set up HRT-227CS
Please follow the below steps to set up HRT-227CS.
Step1:In the product box, the CA-0910 cable can be used to connect the com port
between PC and HRT-227CS together.
(1) Connect the TXD / RXD GND pins together between PC and HRT-227CS.
Figure 4-1 RS-232 wire connection between PC and HRT-227CS
Step 2:(1) Execute HC_Tool, like Figure 4-2.
If users can‟t run “HC_Tool”, please install .NET Framework 3.5 first.
(http://www.microsoft.com/downloads/details.aspx?familyid=333325FDAE5
2-4E35-B531-508D977D32A6&displaylang=en).
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Figure 4-2 HC_Tool Utility
(2) Serial port settings (“Settings”Item)
Please click “Settings” item to open setting window of serial port and choose
the com port number like Figure 4-3.
Figure 4-3 Serial Port No. Setting
Step 3:Click the ”ModCfg” item and choose the “For All”option. Then it will open
module configuration screen like Figure 4-4.
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Figure 4-4 “For All” Option - Configuration Screen
(1) “Get Module FW Version”:
=> Return the firmware version of HART converter module.
(2) “Reset Module”:
=> Reset HART converter module.
(3) “Get HART Send/Recv Count”:
=> Return the total count of the sending and receiving HART messages in HART
converter module.
(4) “Reset HART Send/Recv Count”:
=> Reset the total count of the sending and receiving HART messages in HART
converter module.
(5) “Set HART Channel”: (Only for I-7547)
=> Set the HART channel (Range:0 ~ 3) of I-7547 for HART communication by
using ”HART Ch”option.
(6) “Get HART Channel”: (Only for I-7547)
=> Return the current HART communication channel (Range:0 ~ 3) of I-7547.
(7) ”Set Group ID”:
=> Set Group ID (When the rotary switch value is „F‟, it will be enabled and the
range is from 0 to 255).
(8) ”Get Group ID”:
=> Return Group ID.
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