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MicroCab 1500 Outdoor Non-Stop DC Power System
Installation & Operation Manual
SENS Part Number:
Document Revision:
DCN Number:
Date:
This product is covered by one or more patents:
www.sens-usa.com/patents
Installation or service questions?
Call SENS between 8 a.m. and 5 p.m. (Mountain Time),
Monday through Friday, or visit our website.
Copyright © Stored Energy Systems LLC 2017
The SENS name / logo and MicroGenius, MicroCab, HELIX and Dynamic Boost are trademarks of Stored Energy Systems LLC
MicroCab 1500
101327
M
108572
February 19, 2025
1
SENS MicroCab Technical Manual
1840 Industrial Circle
Longmont, CO 80501
Phone: 303.678.7500
800.742.2326
Fax:
303.678.7504
Email:
service@sens-usa.com
Web:
www.sens-usa.com
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Related Manuals for Sens MicroCab 1500
Summary of Contents for Sens MicroCab 1500
- Page 1 Call SENS between 8 a.m. and 5 p.m. (Mountain Time), Web: www.sens-usa.com Monday through Friday, or visit our website. Copyright © Stored Energy Systems LLC 2017 The SENS name / logo and MicroGenius, MicroCab, HELIX and Dynamic Boost are trademarks of Stored Energy Systems LLC...
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Page 2: Table Of Contents
9.5. Keypad Operation ............................ 22 9.5.3. Menu Options ............................22 9.6. Battery Check Feature ..........................29 9.7. Configuration with SENS Setup Utility ..................... 29 9.8. Temperature Compensation ........................30 MODBUS COMMUNICATIONS .......................... 30 10.1. Modbus RS-485 ............................30 10.2. Modbus TCP/IP—Optional ........................30 10.3. -
Page 3: Important Safety Instructions For The Installer And Operator
SENS MicroCab Technical Manual 1 IMPORTANT SAFETY INSTRUCTIONS FOR THE INSTALLER AND OPERATOR 1.1. SAVE THESE INSTRUCTIONS – This manual contains important safety and operating instructions for the MicroCab 1500. 1.2. This system is intended for commercial and industrial use. ONLY TRAINED AND QUALIFIED PERSONNEL MAY INSTALL AND SERVICE THIS UNIT. -
Page 4: Model Number Breakout
SENS MicroCab Technical Manual MODEL NUMBER BREAKOUT 1234 Parameter Code Value Product Family MicroCab 1500 Base Cabinet Cabinet Type Expanded Cabinet 12 VDC Voltage 24 VDC 48 VDC 12A, 48V only 15A, 12/24V only Output Current 30A, 12/24V only 45A, 12/24V only... -
Page 5: Performance Specifications
SENS MicroCab Technical Manual PERFORMANCE SPECIFICATIONS MicroCab 1500 is the newest generation of high reliability outdoor power systems that SENS has been producing for over a quarter-century. Optimized to power critical industrial and communications loads, SENS’ MicroCab 1500 offers multiple technologies that enhance reliability and system uptime, including: •... - Page 6 Change or customize settings from computer using SENS Setup Utility and on-board USB connection. Connect legacy units that do not include on-board USB using the computer to charger cable provided in SENS Setup Utility kit, SENS p/n 209254. SENS Setup Utility software available at SENS | Download Center.
- Page 7 Modbus RS-485 via field wiring terminal block communications Optional Modbus over TCP/IP SENSbus Proprietary bus for field programming and SENS accessories USB-C connectivity via SENS Setup Utility Environ- Operating temperature -40C to +70C; meets full specification from -40C to +40C. Heaters...
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Page 8: System Overview
SENS MicroCab Technical Manual SYSTEM OVERVIEW Fully optioned unit with expanded battery compartment shown. System Overview Base Cabinet Expanded Cabinet... -
Page 9: Mounting Instructions
WARNING: ONLY QUALIFIED PERSONNEL SHOULD INSTALL, OPERATE, AND SERVICE THIS EQUIPMENT. 5.1. Installation Location and Handling The MicroCab 1500 system is shipped in a wooden crate. Although the final installed system is intended for outdoor applications, the crated system must be shipped and stored in an area protected from water exposure. -
Page 10: Conduit Entry
SENS MicroCab Technical Manual Conduit Entry Note: 3x 1 inch and 1x 1.5 inch conduit entry openings provided. Field Wiring USB PORT (PANEL SIDE) MODBUS TCP/IP RJ45 PORT (PANEL SIDE) CAUTION - SWITCH ALL BREAKERS (AC, CHARGER, DISTRIBUTION, AND BATTERY STRING) TO OFF BEFORE... -
Page 11: Input Wiring
Torque terminals to 9lb-in. 6.4.2. Modbus RS-485 Wiring 6.4.2.1. Connect Modbus wiring to Modbus terminal block. Modbus communications settings must be configured using the keypad or SENS Setup Utility prior to initiating. See section 10 further information on Modbus operation and configuration. - Page 12 6.4.3.1. Configure TCP/IP Address Configure TCP/IP settings using the SENS Setup Utility or the keypad. Set the IP address as desired. It may take up to 10 seconds for the network setting changes to apply. A TCP/IP address of 0.0.0.0 implies DHCP (Dynamic) addressing. Adjust the Gateway and Subnet Mask values as required.
- Page 13 SENS MicroCab Technical Manual Note - connect the SENS Setup Utility using the optional USB port when it is included rather than directly to the SENSbus RJ45 connector (see section 6.4.4.1 below for further info). Optional TCP/IP Modbus and SENSbus USB 6.4.4.
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Page 14: Battery Installation
SENS MicroCab Technical Manual 6.5. Battery Installation WARNING: BATTERY POWER SYSTEMS PROVIDE ELECTRICAL VOLTAGE AND AMPERAGE LEVELS THAT ARE CONSIDERED ELECTRICAL HAZARDS. ONLY QUALIFIED PERSONNEL SHOULD INSTALL, OPERATE, AND SERVICE THIS EQUIPMENT. USE APPROPRIATE INSTALLATION METHODS INCLUDING USING ONLY INSULATED TOOLS. REMOVE ALL JEWELRY AND WATCHES BEFORE INSTALLATION. -
Page 15: Battery Wiring
SENS MicroCab Technical Manual Battery Wiring 48V TOP TERMINAL CONNECTION 48V FRONT TERMINAL CONNECTION... -
Page 16: Verify Connections
SENS MicroCab Technical Manual 6.6. Verify Connections 6.6.1. Verify that all connections are secure and in the proper locations. Tighten all unused screws on the terminal blocks to secure them against vibration. 6.6.2. Ensure all wires are routed in a way that the cover or other objects will not pinch or damage them. -
Page 17: Individual Alarm Relay Contacts
LCD life is reduced with sustained operation above 65°C. 8.4. Alarm Assignment There are three output alarms on the MicroCab System. The table below shows the default factory alarm assignment. The alarms assignments can be changed using the SENS Setup Utility (see section 9.7). -
Page 18: Latched Alarms
All alarm messages displayed on the front panel LCD are latching. Alarm relay configurations created using the SENS Setup Utility may be configured as latching if desired. Once an alarm condition no longer exists, the alarm message will no longer display in the main/home screen but will remain under the “Latched Alarms”... -
Page 19: Low Current
Fail state after delay. 8.6.13. DC/AC Surge Replacement Indicates that the optional supplemental surge protectors need to be replaced. Consult SENS for replacement modules. LCD indicates SURGE ARRESTOR FAULT and the alarm relay contacts to which this alarm is mapped change to Fail state after delay. - Page 20 Indicates battery voltage is below the factory Startup Voltage setpoint or the configured level if setpoint is adjusted using keypad or SENS Setup Utility. When this alarm is assigned to a relay contact DC BELOW STARTUP VOLTAGE will cause the assigned relay to change to the Failed state after the time delay.
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Page 21: Operation
“VRLA” using the keypad. Do not change the battery type from VRLA battery settings or activate the Dynamic Boost or HELIX charging modes unless you receive specific instruction to do so from SENS’ service department. 9.1.2. Charging Low or Zero-volt Batteries The rectifier/charger system will initially charge/commission zero-volt or fully discharged batteries without special user intervention. -
Page 22: Factory Default Settings
Current Limit Alarm 100% 9.5. Keypad Operation The front panel keypad provides the ability to adjust charger settings without the SENS Setup Utility. 9.5.1. Security Code Protection The keypad is security code protected to ensure only authorized personnel adjust system settings. - Page 23 SENS MicroCab Technical Manual limits apply to all output and alarm settings. A message is displayed indicating an adjustment is limited due to settings conflict. Menus Configurable/Viewable (Press arrows to scroll through (Press left/right arrows to menu options) scroll through menus, press...
- Page 24 SENS MicroCab Technical Manual Adjust amount of time from 0 to 5 minutes to delay before entering Boost mode after power Auto Boost Delay is cycled or battery type is changed. Delay affects all outputs for multiple output models. Auto-Boost...
- Page 25 SENS MicroCab Technical Manual Adjust setpoint to trigger Battery End-of- End Discharge Discharge alarm, must be less than Low DC setting Adjust setpoint to trigger Low DC voltage alarm, must be greater than End Discharge Low DC Voltage setting and less than Battery Discharging...
- Page 26 SENS MicroCab Technical Manual DC Output #C Disabled for MicroCab units DC Output #D Disabled for MicroCab units AC Input AC input voltage and frequency Meters Press UP arrow to enable displaying AC meter AC Reference Meters values in the Browse Status menu area...
- Page 27 SENS MicroCab Technical Manual Press UP arrow to reset/clear Battery Check Clear Failure Battery Check alarm on all outputs Press UP arrow to set all alarm relays and Relay Test DOWN arrow to clear all relays Check Vent Fan Press UP arrow to run vent fan and DOWN...
- Page 28 Adjust DNP3 baud rate, 230.4 Kbps maximum Set to factory default DNP3 configuration or select one of two custom configurations. Use Conf File SENS DNP3 Config Tool to generate custom configuration file. DNP3 Configuration Enable or disable DNP3 TCP-IP Port...
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Page 29: Battery Check Feature
9.6.2. Schedule Battery Check to run automatically by enabling Periodic Auto Battery Check via the front panel keypad. 9.7. Configuration with SENS Setup Utility Use the SENS Setup Utility to update firmware on all devices and configure select settings including alarm relay assignments. Download the setup utility software at SENS | Download Center. -
Page 30: Temperature Compensation
SENS MicroCab Technical Manual connection of the SENSbus Adapter (shipped with SENS Setup Utility kit p/n 209254) for legacy units (see section 6.4.4). 9.8. Temperature Compensation The charging system is temperature compensated to match the negative temperature coefficient of the battery. - Page 31 Use the DeviceInstaller software to change the IP Address of the TCP/IP module by using the Assign IP command in the menu toolbar. The software will request the Device Identification (hardware address) of the module. This is located on the MicroCab 1500 system label on the inside of the main cabinet door (See the MAC Address Location figure, Example: 00-80-A3-BE-9C-E1).
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Page 32: Modbus Holding Registers
SENS MicroCab Technical Manual MAC Address Location 10.3. Modbus Holding Registers MicroCab Modbus registers are organized using 32-bit big-endian. The registers are zero-indexed, meaning the first register is index zero as opposed to index 1. Some Modbus polling utilities may be one-indexed or default to little-endian and as such may need to be adjusted. - Page 33 SENS MicroCab Technical Manual Address High Address Low Scale Name Description Units Factor Decimal Decimal Charging AC Alarm status bits (see 0x030 0x031 Charging AC Alarms Bitfield section 10.7) 0x03E 0x03F Uptime Counter Value Charger uptime counter value Voltage currently being supplied by...
- Page 34 SENS MicroCab Technical Manual Address High Address Low Scale Name Description Units Factor Decimal Decimal Default Output Program Mode callouts for Program Mode 0x08A 0x08B Custom Mode setting (battery type… etc.) Default Output Program 0x08C 0x08D Number of cells set in Program Mode...
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Page 35: Alarm Bit Definition
SENS MicroCab Technical Manual Address High Address Low Scale Name Description Units Factor Decimal Decimal Default Output Min 0x0BE 0x0BF Min Allowed Voltage Setting V/Cell 32768 Allowed Voltage Setting 10.4. Alarm Bit Definition Bit Address Name Description Decimal 0x00 Alarm AC Fail... -
Page 36: Status Definition
SENS MicroCab Technical Manual 10.5. Status Definition Bit Address Name Description Decimal 0x00 Output Idle Charging status - Output Idle 0x01 Server Mode Charging status - Slave Mode 0x02 Helix Float Charge Charging status - Helix Float 0x03 Float Charge... -
Page 37: Charging Ac Alarms Bit Definition
SENS MicroCab Technical Manual 10.7. Charging AC Alarms Bit Definition Bit Address Name Description Decimal 0x00 Unused Unused An AC phase is missing or out of range. Only available 0x01 AC Phase Missing in a 3-phase capable device. AC Voltage has gone above max AC voltage allowed... -
Page 38: Service
SENS MicroCab Technical Manual 12 SERVICE 12.1. Battery Replacement 12.1.1. Warnings 12.1.1.1. Risk of explosion if batteries are replaced by an incorrect type. 12.1.1.2. Contact your local hazardous waste or recycling center for battery disposal details. 12.1.2. See section 6.5. - Page 39 SENS MicroCab Technical Manual Error Scope Description Corrective Action - Use a different position number (jumper setting) for each module in a multi-module unit. See Error Code Duplicate charger location settings within a unit 101 for more detail. with multiple charger modules, not using the - When replacing a charger in a multi-module unit, set default output.
- Page 42 SENS under a Return Material Authorization (RMA) number provided by SENS. If, in SENS’ opinion, the problem can be rectified in the field, SENS may elect to ship replacement parts for customer installation instead or in advance of returning the system component to the service facility.
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