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SIU-SNM-01
User Manual
Revision 0.0
English
Modbus Master / SNMP Agent -
Converter
(Order Code: SIU-SNM-01)
Benefits and Main Features:
Very easy to configure
Electrical isolation
Temperature range: -40°C/85°C (-40°F/185°F)
Carlo Gavazzi Controls S.p.A. – 32100 – Belluno
INFO: www.carlogavazzi-automation.com
User Manual Modbus Master / SNMP Agent
Document code: SIU-SNM-01_ENG
Revision 1.0
2020-12-03
WARNING:
Carlo Gavazzi Controls SpA reserves the right to
change information in this manual about our product
without warning.
TRADEMARKS:
All trademarks mentioned in this document belong
to their respective owners.
Phone +39. 0437 355811
Page 1 / 25
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Summary of Contents for CARLO GAVAZZI SIU-SNM-01
- Page 1 Benefits and Main Features: Very easy to configure Electrical isolation Temperature range: -40°C/85°C (-40°F/185°F) WARNING: Carlo Gavazzi Controls SpA reserves the right to change information in this manual about our product without warning. TRADEMARKS: All trademarks mentioned in this document belong to their respective owners.
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Page 2: Security Alert
This symbol indicates that non-observance of the safety instructions is a danger for people that could lead to serious injury or death and / or the possibility of damage. EXAMPLE OF CONNECTION Carlo Gavazzi Controls S.p.A. – 32100 – Belluno INFO: www.carlogavazzi-automation.com Phone +39. 0437 355811... -
Page 3: Connection Scheme
Page 3 / 25 CONNECTION SCHEME CHARACTERISTICS The SIU-SNM-01 is a Modbus Master / SNMP Agent - Converter. It has the following characteristics: Up to 1024 bytes in reading and 1024 bytes in writing; Triple isolation between Serial - Power Supply, Serial - Ethernet, Power Supply - Ethernet. - Page 4 Define the parameters of Modbus line; Define the Modbus variables to read/write from/to the Modbus slaves; Define the SNMP OIDs; Create the MIB file; Update the device. Carlo Gavazzi Controls S.p.A. – 32100 – Belluno INFO: www.carlogavazzi-automation.com Phone +39. 0437 355811...
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Page 5: Power Supply
The devices can be powered at 8…24V AC and 12…35V DC. For more details see the two tables below. Vmin Vmax Vmin Vmax Consumption at 24V DC: Device Consumption [W/VA] SIU-SNM-01 Caution: Not reverse the polarity power Carlo Gavazzi Controls S.p.A. – 32100 – Belluno INFO: www.carlogavazzi-automation.com Phone +39. 0437 355811... -
Page 6: Function Modes
According to the functioning mode, the LEDs will have specifics functions, see ‘LEDS’ section. Warning: Dip1 of ‘Dip-Switch A’ must be at ON position for working even if the Ethernet cable isn’t inserted. Carlo Gavazzi Controls S.p.A. – 32100 – Belluno INFO: www.carlogavazzi-automation.com Phone +39. 0437 355811... - Page 7 ON: at least one configured Modbus Blinks quickly: Boot state 5: Modbus error request hasn’t correct reply Blinks very slowly (~0.5Hz): update (yellow) OFF: communication is working in progress Carlo Gavazzi Controls S.p.A. – 32100 – Belluno INFO: www.carlogavazzi-automation.com Phone +39. 0437 355811...
- Page 8 100 Mbps. To connect the device to a Hub/Switch is recommended the use of a straight cable, to connect the device to a PC/other is recommended the use of a cross cable. Carlo Gavazzi Controls S.p.A. – 32100 – Belluno INFO: www.carlogavazzi-automation.com...
- Page 9 Tasker: p/n C521 - 1x 24AWG twisted pair conductor + foil shield + braid shield; Tasker: p/n C522 - 2x 24AWG twisted pairs conductor + foil shield + braid shield. Carlo Gavazzi Controls S.p.A. – 32100 – Belluno INFO: www.carlogavazzi-automation.com...
- Page 10 When launching the software, the window below appears (Fig. 2). Use this link to download the SIU-SNM desktop software: www.productselection.net/Download/UK/SIU-SNM-01_software.zip Note: It is necessary to have installed .Net Framework 4. Carlo Gavazzi Controls S.p.A. – 32100 – Belluno INFO: www.carlogavazzi-automation.com Phone +39. 0437 355811...
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Page 11: New Configuration / Open Configuration
To clone a project in order to obtain a different version of the project, it is sufficient to duplicate the project folder with another name and open the new folder with the button “Open Configuration”. Carlo Gavazzi Controls S.p.A. – 32100 – Belluno INFO: www.carlogavazzi-automation.com Phone +39. 0437 355811... -
Page 12: Software Options
Checking the option “Check Software Update at Start of Program”, the software check automatically if there are updating when it is launched. Carlo Gavazzi Controls S.p.A. – 32100 – Belluno INFO: www.carlogavazzi-automation.com Phone +39. 0437 355811... -
Page 13: Set Communication
(ms)” define the maximum time that the device attends for the answer from the slave interrogated; In the field “Communication Idle Time (ms)” the minimum delay between two requests is defined. Carlo Gavazzi Controls S.p.A. – 32100 – Belluno INFO: www.carlogavazzi-automation.com Phone +39. 0437 355811... -
Page 14: Set Access
If the field “Swap Word” is checked, the words of the data read are swapped between them; In the field “Mnemonic” the description for the request is defined. Carlo Gavazzi Controls S.p.A. – 32100 – Belluno INFO: www.carlogavazzi-automation.com Phone +39. 0437 355811... - Page 15 Note: If the field “On change” is checked and the “Poll Time” is different from 0, the converter sends the writing request cyclically and also when the data is changed. Carlo Gavazzi Controls S.p.A. – 32100 – Belluno INFO: www.carlogavazzi-automation.com...
- Page 16 In the field “Type” the type of data of the OID is defined (Octet String or Integer); In the field “Position” the starting byte of the internal memory array where mapping the data is defined; Carlo Gavazzi Controls S.p.A. – 32100 – Belluno INFO: www.carlogavazzi-automation.com Phone +39. 0437 355811...
- Page 17 SNMP MIB (only if “Dynamic Map” is used) By pressing the “SNMP MIB” button it is possible to save the MIB file for the SNMP Manager. Carlo Gavazzi Controls S.p.A. – 32100 – Belluno INFO: www.carlogavazzi-automation.com Phone +39. 0437 355811...
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Page 18: Update Device
Turn OFF the Device; Put Dip1 of ‘Dip-Switch A’ in ON position; Turn ON the device Connect the Ethernet cable point to point between your PC and the SIU-SNM-01, by setting the Ethernet adapter in class 192.168.2.xxx; Insert the IP “192.168.2.205”;... - Page 19 Note: When you install a new version of the software, if it is the first time it is better you do the update of the Firmware in the SIU-SNM-01 device. Note: When you receive the device, for the first time, you also have to update the Firmware in the SIU-SNM-01 device.
- Page 20 Page 20 / 25 TRAP messages from SNMP: All the OIDs defined in the “Set SNMP Access -> SNMP Read” table can be sent as TRAP messages too. Carlo Gavazzi Controls S.p.A. – 32100 – Belluno INFO: www.carlogavazzi-automation.com Phone +39. 0437 355811...
- Page 21 SNMP Input and write the SNMP Output. Reading Modbus data from SNMP: In order to read the data from the SIU-SNM-01 it is necessary to use the “snmpget” command. The Input array is contained to this internal directory: 1.3.6.1.4.1.33118.1.1.1.4.x.0, where ‘x’ is the number of data block.
- Page 22 Example: you want to write information of the data block 3 with the data ‘0123456789’ (ASCII). The structure of the command to send is: snmpset –v1 –cprivate “IP Address of the converter” 1.3.6.1.4.1.33118.1.1.1.5.3.0 s “0123456789” Figure 8b: MIB Tree Output Carlo Gavazzi Controls S.p.A. – 32100 – Belluno INFO: www.carlogavazzi-automation.com Phone +39. 0437 355811...
- Page 23 It is possible to read an entire data block or only a specific byte/value (for the Data Block 1 to 8). It depends on the OID used: • 1.3.6.1.4.1.33118.1.1.1.4.x.0: entire data block • 1.3.6.1.4.1.33118.1.1.1.4.x.y: value of the data block/specific byte Carlo Gavazzi Controls S.p.A. – 32100 – Belluno INFO: www.carlogavazzi-automation.com Phone +39. 0437 355811...
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Page 24: Mechanical Dimensions
User Manual Modbus Master / SNMP Agent Document code: SIU-SNM-01_ENG Revision 1.0 2020-12-03 Page 24 / 25 MECHANICAL DIMENSIONS: Carlo Gavazzi Controls S.p.A. – 32100 – Belluno INFO: www.carlogavazzi-automation.com Phone +39. 0437 355811... -
Page 25: Other Regulations And Standards
The device respects the 2002/95/EC Directive on the restriction of the use of certain hazardous substances in electrical and electronic equipment (commonly referred to as Restriction of Hazardous Substances Directive or RoHS). Carlo Gavazzi Controls S.p.A. – 32100 – Belluno INFO: www.carlogavazzi-automation.com Phone +39. 0437 355811...
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