Emerson SolaHD SCM-E-MBUS User Manual
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Emerson SolaHD SCM-E-MBUS User Manual

Modbus tcp communications module, for use with solahd sdn-d power supplies
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Modbus TCP Communications Module
(SCM-E-MBUS)
SCM SolaHD Communication Module
For use with SolaHD™ SDN-D Power Supplies
User Guide
A272-389 Rev. 1.0
06/2024

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Summary of Contents for Emerson SolaHD SCM-E-MBUS

  • Page 1 User Guide A272-389 Rev. 1.0 06/2024 Modbus TCP Communications Module (SCM-E-MBUS) SCM SolaHD Communication Module For use with SolaHD™ SDN-D Power Supplies...

  • Page 2: Table Of Contents

    2.1.2 HMS IP CONFIG TOOL ......................21 3. MONITORING ..........................22 3.1 WEBSERVER MONITORING ......................22 3.1.1 PROCEDURE ......................... 22 3.1.2 MENU HIERARCHY ........................ 23 3.1.2.1 MONITORING TAB ......................23 3.1.2.2 SYSTEM TAB ......................... 29 3.1.2.3 NETWORK TAB ......................30 Page: 2 Emerson.com/SolaHD...
  • Page 3 4.3.6.1 EVENT CODE DEFINITION ..................... 58 4.3.6.2 EVENT START DEFINITION .................... 58 4.3.6.3 EVENT TIMESTAMP DEFINITION ..................58 4.4 INPUT STATUS (DISCRETE INPUTS) REGISTER PARAMETERS LIST ............ 58 5. TROUBLESHOOTING ........................61 5.1 TROUBLESHOOTING ........................61 TECHNICAL SUPPORT ........................63 WARRANTY .............................63 Emerson.com/SolaHD Page: 3...

  • Page 4: Revision History

    REVISION HISTORY User Guide 06/2024 A272-389 REVISION HISTORY Revision Code Revision Date Description Rev. 1.0 06/2024 Final Page: 4 Emerson.com/SolaHD...

  • Page 5: Preface

    A272-389 06/2024 PREFACE Thank you for purchasing SolaHD SCM-E-MBUS! This user manual defines how to use the communication functions of SCM-E-MBUS. It also contains important safety instructions that must be followed during the installation and operation of the communication module. Before attempting to install the product, please read all safety, installation, operational warnings and instructions thoroughly.

  • Page 6: Introduction

    SDN2024100D version xx 05 16 • The SCM-E-MBUS functions with a variety of any Modbus TCP client devices. The web server is compatible with most MS Windows-based Internet browsers, including Google Chrome, Microsoft Edge, and Mozilla Firefox. Page: 6 Emerson.com/SolaHD...

  • Page 7: Safety Instructions

    Risk of personal injury and explosion hazard when used in a Class I, Division 2/Class I, Zone 2 environment. Refer to the "Safety Instruction Sheet - SCM Communications Modules" provided with the product or located on our website at www.SolaHD.com. Be sure to adhere to all safety procedures provided in the sheet. Emerson.com/SolaHD Page: 7...

  • Page 8: Product Overview

    140 x 25.5 x 106.9 mm (5.51 x 1.00 x 4.20 in), with sliding arm H x W x D 123.3 x 25.5 x 106.9 mm (4.85 x 1.00 x 4.20 in), without sliding arm Net Weight 161g Page: 8 Emerson.com/SolaHD...

  • Page 9: Communication Specifications

    Maximum Transmission Distance 100 meters Maximum number of Clients Default IP Address DHCP enabled Server Port Endianness Little-Endian 02 – Discrete Input 03 – Holding Register Supports Function Codes 04 – Input Register 06 – Write Single Register Emerson.com/SolaHD Page: 9...

  • Page 10: Construction

    This LED indicator is used to indicate the status of the module. For full details on the status LEDs, refer to the Network and Module Status Indicators section. ETHERNET PORT This dual Ethernet port is used to connect the SCM-E-MBUS to the network. Page: 10 Emerson.com/SolaHD...

  • Page 11: Network And Module Status Indicators

    Flashing Red Connection timeout This means the device connection has timed out. SCM has detected that its IP address Steady Red Duplicate IP is already in use. Flashing Green / Red Self-test SCM is performing a self-test. Emerson.com/SolaHD Page: 11...

  • Page 12: Indicators At Power Up

    1. Remove input power from power supplies. 2. Perform equipment installation and removal while power is removed. 3. Connect communications and power wiring while equipment is de-energized. 4. Restore input power only after installation and wire connection are complete. Page: 12 Emerson.com/SolaHD...

  • Page 13: Solahd Power Supplies (Sdn-D Series)

    The sections below show the wiring of the SCM-E-MBUS to the SDN-D power supply. 1.5.3.1 WIRING: SCM-E-MBUS AND SDN-D 1:1 CONNECTION The set-up below shows typical connections of one SCM-E-MBUS to one SDN-D Power Supply. 1:1 Connection of SCM-E-MBUS to one SDN-10-24-100-D Power Supply Emerson.com/SolaHD Page: 13...

  • Page 14: Wiring: Scm-E-Mbus And Sdn-D 1:2 Connection

    1. PRODUCT OVERVIEW User Guide 06/2024 A272-389 1.5.3.2 WIRING: SCM-E-MBUS AND SDN-D 1:2 CONNECTION The set-up below shows typical connections of one SCM-E-MBUS to two SDN-D Power Supplies. 1:2 Connection of SCM-E-MBUS to Dual SDN-10-24-100-D Power Supplies Page: 14 Emerson.com/SolaHD...

  • Page 15: Wiring: Scm-E-Mbus And Sdn-D Ring Connection

    In effect, each Ethernet device has 2 RJ45 ports and an embedded single port switch, enabling continued communications under various adverse network conditions. The example below shows typical connections for 2 separate power supply subsystems operating on a ring network. Ring Connection of SCM-E-MBUS to two separate Power Supplies Emerson.com/SolaHD Page: 15...

  • Page 16: Wiring Topology With Modbus Tcp Client Plc

    1.5.4.1 WIRING: PLC-MODBUS TCP CLIENT STAR TOPOLOGY The set-up below shows the wiring of a SCM-E-MBUS - SDN-D Power Supply to a PLC which supports Modbus TCP client in star topology. Star Connection of SCM-E-MBUS to PLC and Client/PC Page: 16 Emerson.com/SolaHD...

  • Page 17: Wiring: Plc-Modbus Tcp Client Ring Topology

    1.5.4.2 WIRING: PLC-MODBUS TCP CLIENT RING TOPOLOGY The set-up below shows the wiring of a one SCM-E-MBUS and one SDN-D Power Supply to a PLC which support Modbus TCP client in ring topology. Ring Connection of SCM-E-MBUS to PLC and Client/PC Emerson.com/SolaHD Page: 17...

  • Page 18: Spacing

    Modbus TCP client in ring topology. Ring Connection of three separate power supplies 1.5.5 SPACING The setup below shows the spacing of the SCM-E-MBUS to the SDN-D Power Supplies. Please note that all devices are mounted on a standard DIN-rail. Page: 18 Emerson.com/SolaHD...

  • Page 19: Accuracy Parameters

    125°C. DC Status DC OK DC OK flag becomes active when output voltage > 22, and < 28.5 Vdc. DC Not OK flag becomes active when output voltage DC NOT OK < 21.5 or > 29 Vdc. Emerson.com/SolaHD Page: 19...

  • Page 20: Product Information And Default Comm. Configuration

    Gateway Address 0.0.0.0 None Read/Write Host Name Auto assigned Read/Write Domain name Auto assigned Read/Write DNS Server #1 0.0.0.0 None Read/Write DNS Server #2 0.0.0.0 None Read/Write Port 1 User Configurable Read/Write Port 2 User Configurable Read/Write Page: 20 Emerson.com/SolaHD...

  • Page 21: Network Configuration/ Ip Settings

    3. After the download is finished, upack the items in the zip file and run the installer. 4. Connect the SCM-E-MBUS to the PC where you installed the HMS IP Config tool, preferably using a direct connection. 5. Follow the HMS IPConfig User Guide. 6. Click Next until you reach the Registration process. Emerson.com/SolaHD Page: 21...

  • Page 22: Monitoring

    Enter. (This step can be skipped.) 4. Once the connection is established, open the desired browser and type the IP address (192.168.1.5) in the address bar. 5. The webserver should be loaded with the default tab opened (Overview tab). Page: 22 Emerson.com/SolaHD...

  • Page 23: Menu Hierarchy

    Under Parameters tab, the Live Parameters tab shows all the measurement data, event flags, user alarms and redundancy alarms of all devices (SDN-D Power supplies, etc.) connected to the communications module. Emerson.com/SolaHD Page: 23...
  • Page 24 Under Parameters tab, the Max Values tab shows all the maximum calculated data of the devices (SDN-D Power supplies, etc.). The Alarm tab allows the user to set threshold values to the device through the GUI. The threshold values are stored in a non-volatile memory in the SCM Device. Page: 24 Emerson.com/SolaHD...
  • Page 25 In the example below, the SDN-D 10A Internal PSU Temperature Alarm is set to 85 deg C. The alarm bit will be set to 1 when the temperature is greater than 85 deg C. The alarm bit will be set to 0 when the temperature is less than or equal to 83 deg C (hysteresis). Emerson.com/SolaHD Page: 25...
  • Page 26 SDN Temperature High (°F) +302 Deg F SDN Input Voltage High SDN Input Voltage Low SDN Average Output Current Change SCM Temperature High (°C) +150 Deg C SCM Temperature High (°F) +302 Deg F SCM Average Temperature Limit Page: 26 Emerson.com/SolaHD...
  • Page 27 ≤ Threshold ≤ Threshold 0x00000018 > Threshold > Threshold ≤ Threshold ≤ Threshold > Threshold 0x00000019 > Threshold > Threshold ≤ Threshold > Threshold ≤ Threshold 0x0000001A > Threshold > Threshold ≤ Threshold > Threshold > Threshold 0x0000001B Emerson.com/SolaHD Page: 27...
  • Page 28 0x0000 value in the alarm flag. The Events tab shows all flagged alarms, their corresponding code, and description. It also contains a download button to save the flagged events to a csv file. Page: 28 Emerson.com/SolaHD...

  • Page 29: System Tab

    3.1.2.2 SYSTEM TAB The Configuration tab allows the user to set system temperature unit to either Fahrenheit or Celsius to the device through the GUI. The unit set is stored in a non-volatile memory in the SCM Device. Emerson.com/SolaHD Page: 29...

  • Page 30: Network Tab

    DNS servers. By changing this configuration, the SCM Module will lose the existing connection. The DHCP configuration can also be changed in this tab. NOTE: A power cycle or Type 0 Reset is required for the changes in IP configuration to take effect. Page: 30 Emerson.com/SolaHD...

  • Page 31: Register Map

    Byte Byte Byte Byte Byte NOTES: Trans. ID, Protocol ID, Length, Unit ID it set by Master. All data in this table represented in • hex format. In response data bytes order is little endian system. • Emerson.com/SolaHD Page: 31...

  • Page 32: Read Int16 Data Format

    Address Reg. Reg. Function Unit ID Code Byte Byte Byte Byte Byte Byte Byte Byte Byte Byte Response Structure: Value of Register Function Code Number of Bytes Hi Byte Lo Byte Data = 0x0021 = 33°C (INT16) Page: 32 Emerson.com/SolaHD...

  • Page 33: Read Uint32 Data Format

    Data = 0x000016AB = 5803 Seconds (UINT32) Error Response Trans. ID Protocol ID Length Unit ID Function Code Exception Code Byte Byte Byte Byte Byte Byte *Refer to Section 4.2 for a list of possible exception codes. Emerson.com/SolaHD Page: 33...

  • Page 34: Read Float Data Format

    INT16 format, and Register address is 0xB1FD. Offset Address : 0x15BC • Function Code : 0x06 to write single register. • Data Value : 0x0032 (50°C), (Make sure this value is within specified range) • Page: 34 Emerson.com/SolaHD...

  • Page 35: Exception Codes

    0x02 Illegal data address area. If invalid or out of range, register address sends in Modbus query. The data in the request is illegal. It may be out of range of supported 0x03 Illegal data value datatype. Emerson.com/SolaHD Page: 35...

  • Page 36: Holding And Input Register Parameters List

    °C / Temp 2 °F 42079 A45F 30031 754F SCM|Average SINT16 °C / Temp 3 °F 42080 A460 30032 7550 SCM|Average SINT16 °C / Temp 4 °F 42081 A461 30033 7551 SCM|Average SINT16 °C / Temp 5 °F Page: 36 Emerson.com/SolaHD...
  • Page 37 7565 - Reserved 42148 A4A4 30100 7594 PS1 Parameters 42149 A4A5 30101 7595 PS1|Device Model UINT16 0 = No Model 8 = Reserved 9 = 10 Amp Model 10 = 20 Amp Model 11 = 40 Amp Model Emerson.com/SolaHD Page: 37...
  • Page 38 PS1|Count UINT16 0 to 65535 PowerIn 42200 A4D8 30152 75C8 PS1|Count OTP UINT16 0 to 65535 42201 A4D9 30153 75C9 PS1|Max Vout FLOAT 42203 A4DB 30155 75CB PS1|Max Iout FLOAT 42205 A4DD 30157 75CD PS1|Max Vin UINT16 Page: 38 Emerson.com/SolaHD...
  • Page 39 PS1|Average Iout FLOAT 42239 A4FF 30191 75EF PS1|Average Iout FLOAT 42241 A501 30193 75F1 PS1|Average Iout FLOAT 42243 A503 30195 75F3 PS1|Average Iout FLOAT 42245 A505 30197 75F5 PS1|Average Iout FLOAT 42247 A507 30199 75F7 PS1|Average Iout FLOAT Emerson.com/SolaHD Page: 39...
  • Page 40 PS2|Part Number UINT8 SDN10-24-100D SDN20-24-100D SDN40-24-100D 42357 A575 30309 7665 PS2|Serial UINT8 Number 42364 A57C 30316 766C PS2|Mfg. Info UINT8 42370 A582 30322 7672 PS2|Mfr. Name UINT8 42378 A58A 30330 767A PS2|Mfg. ID UINT32 e.g. 24180053 (YYWWXXXX) Page: 40 Emerson.com/SolaHD...
  • Page 41 769D PS2|Max Temp TS UINT32 0 to Maximum up to 4,294,967,295 136 years 42415 A5AF 30367 769F PS2|Average FLOAT Iout 0 42417 A5B1 30369 76A1 PS2|Average FLOAT Iout 1 42419 A5B3 30371 76A3 PS2|Average FLOAT Iout 2 Emerson.com/SolaHD Page: 41...
  • Page 42 76C9 PS2|Average Iout FLOAT 42459 A5DB 30411 76CB PS2|Average Iout FLOAT 42461 A5DD 30413 76CD PS2|Average Iout FLOAT 42463 A5DF 30415 76CF PS2|Average Iout FLOAT 42465 A5E1- 30417- 76D1 - Reserved -42548 A634 30500 7724 Alarms/Events Flags Page: 42 Emerson.com/SolaHD...
  • Page 43 UINT32 Bit-mapped b0 = Input 0 = False Voltage High 1= True b1 = Input Voltage Low b2 = Output Current High b3 = Internal Temperature High b4 = Average Current High b5 – b32 = Reserved Emerson.com/SolaHD Page: 43...

  • Page 44: User Configurable Alarms Limit Data Set Ponits List

    PS1|Current High FLOAT 0 to 200 45313 B101 PS1|Temp High SINT16 -50 to +150 °C / °F Unit will apply depending on Temperature unit configuration parameter. Refer to Section 3.1.2.2 45317 B105 PS1|Vin High UINT16 140 to 300 Page: 44 Emerson.com/SolaHD...
  • Page 45 Alarm 1 = Enable Alarm 45737 B2A9 RED|Enable Alarm UINT16 0 or 1 0 = Disable Alarm 1 = Enable Alarm 45757 B2BD Temperature Unit UINT16 0 or 1 0 = °C Unit 1 = °F Unit Emerson.com/SolaHD Page: 45...

  • Page 46: Events Data Points List

    PS1| Event 9 Timestamp UINT32 46145 B441 PS1| Event 10 Code UINT16 46146 B442 PS1| Event 10 Start UINT16 Refer to Section 4.3.6 46147 B443 PS1| Event 10 Timestamp UINT32 46149 B445 PS1| Event 11 Code UINT16 Page: 46 Emerson.com/SolaHD...
  • Page 47 UINT16 46194 B472 PS1| Event 22 Start UINT16 Refer to Section 4.3.6 46195 B473 PS1| Event 22 Timestamp UINT32 46197 B475 PS1| Event 23 Code UINT16 46198 B476 PS1| Event 23 Start UINT16 Refer to Section 4.3.6 Emerson.com/SolaHD Page: 47...
  • Page 48 UINT16 Section 4.3.6 Refer to 46243 B4A3 PS1| Event 34 Timestamp UINT32 46245 B4A5 PS1| Event 35 Code UINT16 46246 B4A6 PS1| Event 35 Start UINT16 Section 4.3.6 Refer to 46247 B4A7 PS1| Event 35 Timestamp UINT32 Page: 48 Emerson.com/SolaHD...
  • Page 49 UINT16 Section 4.3.6 Refer to 46291 B4D3 PS1| Event 46 Timestamp UINT32 46293 B4D5 PS1| Event 47 Code UINT16 46294 B4D6 PS1| Event 47 Start UINT16 Section 4.3.6 Refer to 46295 B4D7 PS1| Event 47 Timestamp UINT32 Emerson.com/SolaHD Page: 49...
  • Page 50 PS1| Event 58 Timestamp UINT32 46341 B505 PS1| Event 59 Code UINT16 46342 B506 PS1| Event 59 Start UINT16 Section 4.3.6 Refer to 46343 B507 PS1| Event 59 Timestamp UINT32 46345 B509 PS1| Event 60 Code UINT16 Page: 50 Emerson.com/SolaHD...
  • Page 51 UINT16 Section 4.3.6 Refer to 46387 B533 PS2| Event 6 Timestamp UINT32 46389 B535 PS2| Event 7 Code UINT16 46390 B536 PS2| Event 7 Start UINT16 Section 4.3.6 Refer to 46391 B537 PS2| Event 7 Timestamp UINT32 Emerson.com/SolaHD Page: 51...
  • Page 52 UINT16 Section 4.3.6 Refer to 46435 B563 PS2| Event 18 Timestamp UINT32 46437 B565 PS2| Event 19 Code UINT16 46438 B566 PS2| Event 19 Start UINT16 Section 4.3.6 Refer to 46439 B567 PS2| Event 19 Timestamp UINT32 Page: 52 Emerson.com/SolaHD...
  • Page 53 UINT16 Section 4.3.6 Refer to 46483 B593 PS2| Event 30 Timestamp UINT32 46485 B595 PS2| Event 31 Code UINT16 46486 B596 PS2| Event 31 Start UINT16 Section 4.3.6 Refer to 46487 B597 PS2| Event 31 Timestamp UINT32 Emerson.com/SolaHD Page: 53...
  • Page 54 UINT16 Section 4.3.6 Refer to 46531 B5C3 PS2| Event 42 Timestamp UINT32 46533 B5C5 PS2| Event 43 Code UINT16 46534 B5C6 PS2| Event 43 Start UINT16 Section 4.3.6 Refer to 46535 B5C7 PS2| Event 43 Timestamp UINT32 Page: 54 Emerson.com/SolaHD...
  • Page 55 UINT16 Section 4.3.6 Refer to 46579 B5F3 PS2| Event 54 Timestamp UINT32 46581 B5F5 PS2| Event 55 Code UINT16 46582 B5F6 PS2| Event 55 Start UINT16 Section 4.3.6 Refer to 46583 B5F7 PS2| Event 55 Timestamp UINT32 Emerson.com/SolaHD Page: 55...
  • Page 56 UINT16 Section 4.3.6 Refer to 46615 B617 PS2| Event 63 Timestamp UINT32 46617 B619 PS2| Event 64 Code UINT16 46618 B61A PS2| Event 64 Start UINT16 Section 4.3.6 Refer to 46619 B61B PS2| Event 64 Timestamp UINT32 Page: 56 Emerson.com/SolaHD...

  • Page 57: Scm Led Status Detail

    Power Supply LED Indicator Meaning Decimal Value Hex Value Green Steady Normal Operation Green Blinking Heavy Load Green Blinking, Red Blinking (alternating) Power Boost Short Circuit or Red Blinking Overtemperature Protection Red Steady Over Voltage Protection No DC Output Emerson.com/SolaHD Page: 57...

  • Page 58: Event Data Value Definition

    The input status registers data value is single bit response (1 or 0 only). 1 = Alarm ON and 0 = Alarm OFF. Refer to table below for parameters list. Modbus Address Parameters Access Decimal 18001 4651 SCM|High Ambient Temperature 18002 4652 SCM|Average Ambient Temperature 18003 -18033 4653 -4671 Reserved Page: 58 Emerson.com/SolaHD...
  • Page 59 PS1|DC NOT OK 18162 -18176 46F2 -4700 Reserved 18177 4701 PS2|DC NOT OK 18178 -18192 4702 -4710 Reserved 18193 4711 PS1|Medium Stress Level 18194 4712 PS1|High Stress Level 18195 -18208 4713 -4720 Reserved 18209 4721 PS2|Medium Stress Level Emerson.com/SolaHD Page: 59...
  • Page 60 4. REGISTER MAP User Guide 06/2024 A272-389 Modbus Address Parameters Access Decimal 18210 4722 PS2|High Stress Level 18211 -18224 4723 -4730 Reserved Page: 60 Emerson.com/SolaHD...

  • Page 61: Troubleshooting

    One of the PSUs connected to the Check the status of the SDN-D Module LED indicator is SCM-E-MBUS encountered a major power supplies connected to the blinking red. recoverable fault. SCM and correct any issues. Emerson.com/SolaHD Page: 61...
  • Page 62 The SCM-E-MBUS internal The GUI logo and format is not filesystem has been damaged or Contact technical support. Emerson. corrupted Restart the affected SDN-D Power supply. The SDN-D Power Supply data SDN-D Power Supply and/or...

  • Page 63: Technical Support

    Note that unit specifications are subject to change without notice. TECHNICAL SUPPORT Website: www.solahd.com Technical Support E-Mail: solahd.technicalservices@emerson.com Toll-Free: (800) 377-4384 USA: (847) 268-6651 WARRANTY Please see the “Terms & Conditions of Sale” document within the UPS packaging. While every precaution has been taken to ensure accuracy and completeness in this manual, Appleton Grp LLC d/b/a Appleton Group assumes no responsibility, and disclaims all liability for damages resulting from use of this information or for any errors or omissions.
  • Page 64 The Emerson logo is a trademark and service mark of Emerson Electric Co. Appleton Grp LLC d/b/a Appleton Group. SolaHD is a registered trademark of Appleton Grp LLC. All other marks are the property of their respective owners. © 2024 Emerson Electric Co. All rights reserved. United States...

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