DAE INSTRUMENT SMB350 User Manual Download Page 31

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SMB350 User’s Manual

Page 31

7 Supplementary Information

Please add fuses to the Aux. voltage input and measured voltage input to protect

damage from a short circuit.

Our contact information

US Website:

www.DAEcontrols.com

US Email:

[email protected]

US Phone: +1-248-635-3708

International Website:

www.DAEinstrument.com

International Email:

[email protected]

International Phone: +886-2-2793-6123

Note : This document may change without notice, please check our website for the

latest version.

Summary of Contents for SMB350

Page 1: ...SMB350 User s Manual 2020 05 27 Version 3 3e DAE Instrument Corp http www DAEinstrument com ...

Page 2: ...SMB350 User s Manual Page 2 ...

Page 3: ...ghts reserved DAE Headquarters 5F No 157 Xinhu 1st Road Neihu District Taipei 11494 Taiwan R O C Tel 886 2 2793 6123 Fax 886 2 2793 6150 e mail info DAEinstrument com DAE Controls LLC 3124 Chesapeake Dr Sterling Heights MI 48314 USA Tel 1 248 635 3708 Fax 1 586 488 3601 e mail info DAEcontrols com ...

Page 4: ...ng diagram designated in this manual 6 Guard against dust and water damage 7 Make sure all power sources to be connected to the product have been shut off before installing 8 If the equipment is used in a manner not specified by manufacturer the protection provided by the equipment may be impaired This symbol means double insulation This symbol means to beware of electric shock turn off all adjace...

Page 5: ...llow air to circulate Reposition any extraneous wiring that is on the SMB350 Maintenance Check to make sure that the wiring contacts are tight and making good contact tighten any terminal screws that may have loosened over time from jarring or vibration Make sure that the wiring contact of each terminal is not touching or shorting adjacent terminals Repair Do not attempt to repair the product or m...

Page 6: ...2 4 Before Installation 15 2 5 Meter Installation 15 2 6 CT Installation 16 2 7 Wiring Diagram 17 2 8 Measuring Multiple Loads with One Channel 19 2 9 Auxiliary Power 19 2 10 Using a Regular 5A Output CT 20 2 11 RS485 Installation 21 3 Operating and Display 22 3 1 Preface 22 3 2 LED Display 22 3 3 Setup 24 4 Troubleshooting 25 5 Frequently Asked Questions 27 6 Warranty and Return Policy 30 6 1 War...

Page 7: ...its measured by SMB350 must be from the same power source 1 2 Features Small and compact can be used for new or existing panels Multiple channels on one module Selection of 4 or 8 channel SMB350 4 or SMB350 8 Each channel can be used as 3p4w 3p3w or as 3 separate 1p2w Multiple function kW kWh kVAr kVArh VA Voltage Current frequency PF RS485 Communications using Modbus RTU protocol On board LCD dis...

Page 8: ... o F 0 95 non condensing Power Consumption 6VA Mounting DIN rail Host Communication RS485 1 port Physical Interface RS485 Protocol Modbus RTU Baud rates 1200 2400 4800 9600 bps Modbus address 1 to 254 Data format 8 n 1 Default address last 2 digits of serial number baud rate 9600 Default address and baud rate can be changed on meter or through Modbus Touch Panel Interface RS485 2 port Baud rates 1...

Page 9: ... S CT 5D3 5A Solid Core Channel 1 only Use with 5A output regular CTs CT ratio depends on specs of regular CTs CT 5S 5A Split Core Channel 1 only Use with 5A output regular CTs CT ratio depends on specs of regular CTs CT 50D3 50A Solid Core Channel 2 8 CT 100D3 100A Channel 2 8 CT 200D3 200A Channel 2 8 CT 400D6 400A CT ratio 2 CT 600D9 600A CT ratio 3 CT 50S SB 50A Split Core Channel 2 8 CT 100S ...

Page 10: ...CT 400D6 400A CT ratio 2 CT 600D9 600A CT ratio 3 CT 50S SB 50A Split Core CT 100S SB 100A CT 200S SB 200A CT 400S 400A CT ratio 2 CT 600S 600A CT ratio 3 Note CT ratio 1 when using 50A 200A CTs CT ratio 2 when using 400A CTs CT ratio 3 when using 600A CTs Please see Section 2 10 when using with 5A regular output CTs 2 Current Sensor Requirement Configuration CT required 1 Phase 2 Wire 1 CT 3 Phas...

Page 11: ...00S 400A 1 38 35mm 2 36 x 3 54 x 1 57 60 x 90 x 40mm CT 600S 600A 1 38 35mm 2 36 x 3 54 x 1 57 60 x 90 x 40mm CT 50SB 50A 0 39 10mm 0 91 x 1 54 x 1 02 23 x 39 x 26mm CT 100SB 100A 0 63 16mm 1 26 x 2 20 x 1 22 32 x 56 x 31mm CT 200SB 200A 0 94 24mm 2 01 x 2 64 x 1 34 51 x 67 x 34mm 2 Installation The SMB350 is a sophisticated energy meter with multiple capabilities and functions Before installation...

Page 12: ... RX2 TX2 for auxiliary RS485 12 RS485 1 Terminals Primary RS485 interface connectors S 13 RS485 2 Terminals Auxiliary 14 Auxiliary Power Auxiliary working power used by module isolated from the measured power 15 Channel 1 A B C Channel 1 3 phase current inputs 16 Channel 2 A B C Channel 2 3 phase current inputs 17 Channel 3 A B C Channel 3 3 phase current inputs 18 Channel 4 A B C Channel 4 3 phas...

Page 13: ...ulations 2 Other terminals Make sure that the wires are screwed tightly onto the terminals and making good contact 3 Recommended Wire Size Terminal type Wire range Auxiliary power 12 24 AWG screw torque 7 lb inch RS485 12 24 AWG screw torque 7 lb inch Current input 12 24 AWG screw torque 7 lb inch Measured voltage input 10 18 AWG screw torque 16 lb inch ...

Page 14: ...SMB350 User s Manual Page 14 2 3 Mounting Procedure 1 Mounting ...

Page 15: ...ated CTs to the CT terminal with their appropriate channels and phases 3 Connect the appropriate SMB350 auxiliary power source terminals to the corresponding power source with an intermediate fuse use the fuse seat and fuse provided with the product The SMB350 can be used with either 120V or 240V AC 4 Connect the measured voltage terminals of the SMB350 to their corresponding voltages with a fuse ...

Page 16: ...ad side Step 1 Open the split core CT Step 2 Hoop up the loading wire Step 3 Clipped the split core CT Meter side Red or white wire to CT terminal on the meters and black wire to CT terminal on the meters Please see the Terminals Detail section 2 Solid core CT installation Load side With solid core CTs the wire must be threaded through the CT which would necessitate disconnecting the wire from the...

Page 17: ...d or white wire to CT terminal on the meters and black wire to CT terminal on the meters Please see the Terminals section 2 7 Wiring Diagram All circuits measured by SMB350 must be from the same power source 1 3 Phase 3 Wire VAB VBC VCA 600VAC ...

Page 18: ...SMB350 User s Manual Page 18 2 3 Phase 4 Wire VAN VBN VCN 80 350VAC 3 Single Phase 2 Wire VLN 80 350VAC Note Please install fuses for the voltage inputs ...

Page 19: ...ad through the CTs must be the same direction The multiple CTs for the same phase of multiple loads must connect to the correct polarity Red wire to CT terminal and black wire to CT terminal on the meters e g 3 Phase 4 Wire Channel 8 Wiring 2 9 Auxiliary Power The auxiliary voltage is single phase and can be derived from either a 240VAC or 120VAC power source but not both The auxiliary power is th...

Page 20: ...gic and measurement circuits 2 10 Using a Regular 5A Output CT For installations with pre existing CTs or if larger capacities is required the user should choose the dedicated 5A CT either the CT 5D3 or the CT 5S and connect the user provided CT to the dedicated 5A CT as shown in the diagram below When using regular CT the SMB350 needs to set the CT ratio For example when using 500A 5A regular CTs...

Page 21: ...r industrial PCs Multiple SMB350 may be connected to the same RS485 network daisy chain All the positive terminals are to be connected together using the same red conductor and all the negative terminals are to be connected together to the same blue wire The shielding wire should be grounded to the panel or enclosure Since most modern computers have no built in RS485 a converter is necessary to co...

Page 22: ...l 6 Phase A Power 2B I Channel 2 Phase B Current 6B I Channel 6 Phase B Current 2B KW Channel 2 Phase B Power 6B KW Channel 6 Phase B Power 2C I Channel 2 Phase C Current 6C I Channel 6 Phase C Current 2C KW Channel 2 Phase C Power 6C KW Channel 6 Phase C Power 2Avg Channel 2 Average Current 6Avg Channel 6 Average Current 2 SKW Channel 2 Total Current 6 SKW Channel 6 Total Power 3A I Channel 3 Pha...

Page 23: ...hannel 3 Phase C kVArh 7C KVARH Channel 7 Phase C kVArh 3 SKWH Channel 3 Total Energy 7 SKWH Channel 7 Total Energy 3 SKVARH Channel 3 Total kVArh 7 SKVARH Channel 7 Total kVArh 4A KWH Channel 4 Phase A Energy 8A KWH Channel 8 Phase A Energy 4A KVARH Channel 4 Phase A kVArh 8A KVARH Channel 8 Phase A kVArh 4B KWH Channel 4 Phase B Energy 8B KWH Channel 8 Phase B Energy 4B KVARH Channel 4 Phase B k...

Page 24: ...dbus address default 1 1 Setup procedures Step 1 Press and hold for 2 3 seconds to enter the setting mode Step 2 Press to change different parameter setting Press and to change the value Press to change the digit Press and hold for 2 3 seconds to exit the setting mode 2 Setup range of each parameter Modbus address 1 254 Baud rate 1200 2400 4800 9600 bps CT ratio 1 250 each channel and each phase A...

Page 25: ...erly b Check that the fuse and circuit breaker are neither blown nor tripped respectively c Check to make sure that power is being supplied from the power source to the auxiliary power d Check that the power source voltage is within the rated power supply e Check to make sure that the enclosure or terminals are not damaged The voltage reads correctly but there the amperage reads zero a Check that ...

Page 26: ... and polarity on meters if parallel 2 or 3 CTs for any phase When parallel 2 or 3 CTs the wiring direction and polarity must be the same The channel shows a very poor power factor value a Check the CT and voltage wirings and make sure that each CT input is matched to its corresponding voltage b Check to make sure that the measured circuit corresponds to its phase c Use a separate instrument to ind...

Page 27: ...ed Q Can a single CT be used to monitor multiple circuits A It is possible to do so if the different circuits share the same phase and power source The L wire for each circuit must go through the CT in the same direction and the current rating of the CT in must be higher than the total amperage for all the circuits to be measured Q Can the wires for both the measured voltage and CT secondary be pl...

Page 28: ...k that the converter has its parameters set up properly 3 Make sure that the baud rate set for SMB350s and the host computer are the same 4 Make sure that each of the SMB350 on the same bus has its own unique device address 5 Make sure that the polarities for the RS485 wiring are correct for all the SMB350 All positive terminals must be connected together and all negative terminals must be connect...

Page 29: ...larity sensitive RS485 requires that all positive terminals are connected together and all negative terminals are connected together reversing any one on any single device will cause the entire RS485 bus to collapse and all communication will fail If the polarity to any one device is inconsistent with the rest simply reverse the polarities and the communication should be restored Q I have checked ...

Page 30: ...ract tort or otherwise shall not exceed the purchase price paid by Customer for the products claimed 6 2 Return Policy All returned material must be in good as new and in salable condition A 20 restocking fee is charged on all RMA s Products may not be returned if more than 80 days have elapsed since the shipment date from DAE Buyer must notify DAE and request a Returned Material Authorization Num...

Page 31: ...from a short circuit Our contact information US Website www DAEcontrols com US Email info DAEcontrols com US Phone 1 248 635 3708 International Website www DAEinstrument com International Email info DAEinstrument com International Phone 886 2 2793 6123 Note This document may change without notice please check our website for the latest version ...

Page 32: ...DAE Instrument Corp ...

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