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MES3-255C-DM-EN Mitsubishi Energy measuring Energy Saving Data Collecting Server

MPN: MES3-255C-DM-EN · Brand: Mitsubishi Electric (Factory Automation)

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12-month warranty (new) · 3-month (used/refurbished)

30-day returns, no restocking fee on unused parts

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Quick facts

Availability	Confirmed on request
Category	Mitsubishi Energy measuring – Energy Saving Data Collecting Server
Lifecycle	Active
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

When can MES3-255C-DM-EN be shipped?

MES3-255C-DM-EN is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up MES3-255C-DM-EN in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for MES3-255C-DM-EN and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for MES3-255C-DM-EN, subject to availability and destination.

The Mitsubishi Electric MES3-255C-DM-EN is a energy Saving Data Collecting Server in the Energy measuring. ○. Specifications and manuals below are Mitsubishi Electric's own data.

Specifications

Product

Series	Energy measuring
Outline	○

General specifications

Type	Energy Saving Supporting Devices
Model	Energy-saving Data Collecting Server EcoWebServerIII
Model name	MES3-255C-DM-EN

Software specifications

Language	English
Demand function	○
Connection device: CC-Link terminal device	Number of remote I/O stations ≦ 64, Number of remote device stations ≦ 42, Number of local stations ≦ 26
Connection device: MODBUS terminal device	Number of MODBUS TCP terminal ≦ 255 Number of MODBUS RTU terminals ≦ 31 for each gateway Number of total MODBUS terminals ≦ 255
Connection device: MITSUBISHI PLC, GOT	MC protocol connection (LAN CH2 used) * device read/write CC-Link unit (local) connection * device read
Number of measuring points: Measuring points	255 points
Number of measuring points: Measuring points: Number of operation measuring points	32 points (includes 255 measuring points)
Number of measuring points: Virtual measuring points	128 points
Number of measuring points: Specific consumption measuring points	64 points
Number of measuring points: Connection point output	32 points
Number of measuring points: Demand monitoring: Receiving demand	2 points (fixed) whole day, timeframe 1-10
Number of measuring points: Demand monitoring: Receiving electric energy	2 points (fixed) whole day, timeframe 1-10
Data saving function * CSV format: Zoom (every 1min) data	62-day amount
Data saving function * CSV format: Zoom (every 5min) data	14-day amount
Data saving function * CSV format: Daily data (on the hour or every 30min)	186-day amount
Data saving function * CSV format: Monthly data (specified time (00min) once a day)	60-month amount
Data saving function * CSV format: Yearly data (specified time (00min) once a month)	5-year amount
Data saving function * CSV format: Virtual measuring point data (daily)	186-day amount
Data saving function * CSV format: Virtual measuring point data (monthly)	60-month amount
Data saving function * CSV format: Virtual measuring point data (yearly)	5-year amount
Data saving function * CSV format: Specific consumption measuring point data (daily)	186-day amount
Data saving function * CSV format: Specific consumption measuring point data (monthly)	60-month amount
Data saving function * CSV format: Specific consumption measuring point data (yearly)	5-year amount
Data saving function * CSV format: Equipment data (daily)	186-day amount
Data saving function * CSV format: Operating history data	64KB x 4 files
Data saving function * CSV format: System log	256KB x 8 files
Data saving function * CSV format: Demand data (daily)	186-day amount
Data saving function * CSV format: Demand data (monthly (daily maximum))	60-month amount
Data saving function * CSV format: Demand data (yearly (monthly maximum))	5-year amount
Data saving function * CSV format: Demand alarm/Control log	128KB x 62 files
Display function: Real-time: Demand monitor	･Displays current time limit demand load curve ･Displays graph of same day demand results
Display function: Real-time: Current value monitor	The current value of the specified measuring points are displayed in the units registered for groups and display lists Displays differential display mode function/differential values for specified measuring points (time differential: amount used from previous hour to present time, daily differential/monthly differential: amount used from previous summary time to present)
Display function: Real-time: Connection point output monitor	Displays connecting point output status
Display function: Graph display: Demand trend graph	Displays demand trend graph
Display function: Graph display: Measuring point comparison graph	Displays comparison of multiple measuring point data for specified display intervals/time displayed
Display function: Graph display: Daily comparison graph	Displays comparison of specified measuring points for desired data
Display function: Graph display: Specific consumption graph	Displays graph after dividing energy volume by number produced
Display function: Graph display: Equipment graph	Displays graph of equipment efficiency, number of defects and equipment energy volume
Display function: Data file	Download measuring point data, virtual measuring point data, specific consumption data, equipment data, operating history data, system log, demand data, alarms/control log (*only for products with demand monitoring functions)
Display function: Equipment values list	Displays measuring points, connection point output and content of e-mail notifications set for EcoWebServerIII.
Monitoring functions: Email notification function	Transmits main unit error notifications, periodic notifications, upper/lower limit notifications, operating status notifications, specific consumption objective value notifications, energy plan value notifications and demand notifications* to the specified SMTP Server (*only for products with demand monitoring functions)
Monitoring functions: Connection point output	Outputs connection points for EcoWebServerIII connection point output module or combined CC-Link input/output module

Hardware specifications

Power supply section: Auxiliary power input	100 to 240 V AC (+10%, -15%) 50/60 Hz (±5%)
Power supply section: Consumption VA	34 VA (at 110 V AC) / 46 VA (at 220 V AC)
Power supply section: Inrush current	20 A, 8ms or less
Power supply section: Allowable momentary power interruption time	20 ms or less (100 V AC or higher)
Power supply section: Withstand voltage	AC2000V for 1 minute between all power supply terminals and all input/output terminals * Earth terminals and shield terminals are not included
Power supply section: Insulation resistance	10 MΩ or more by 500 V DC insulation tester at the same locations as for withstand voltage
Power supply section: Operating ambient temperature&humidity	0 to 55 ºC 5 to 95% RH, Daily average temperature exceeds 35 ºC
Power supply section: Storage ambient temperature&humidity	-25 to + 75 ºC 5 to 95% RH
Power supply section: Installation area	Inside a control panel
Power supply section: Weight	1.25 kg (With demand)
Power supply section: Fuse	Built-in (unreplaceable by user)
Server section: Ethernet	Interface: 2 ports (10BASE-T 100BASE-TX) Transmission method: Baseband Cascade connection limit: 4 levels max. (10BASE-T), 2 levels max. (100BASE-TX) Max. segment length: 100 m Compatible connector: RJ45 Function supported: Autonegotiation (10BASE-T/100BASE-TX automatically detected) Auto MDIX function (straight/crossover cable automatically detected)
Server section: Clock accuracy: 0 to 55 ºC	Additional difference of ±0.5 seconds can be produced during power outages.
Server section: Clock accuracy: 25 ºC	Additional difference of ±0.5 seconds can be produced during power outages.
Server section: Power-interruption backup: Backup data	Clock, Measured data for the last 1 hour, Backed up by nonvolatile memory (CompactFlash memory card), Setting values, Measured data except for the last 1 hour
Server section: Battery	Type: Lithium manganese dioxide primary battery Initial voltage: 3.0 V Nominal current: 1800 mAh Life when in storage: 5 years at room temperature (actual service value)
Contact output section: Number of output points	16 points
Contact output section: Contact output	A switch type
Contact output section: Insulation method	Relay Insulation
Contact output section: Rated switching voltage/current	24 V DC 2 A (resistance load) 240 V AC 2 A (COSφ=1) /1 point, 8 A / 1 common
Contact output section: Min. switching load	5 V DC, 1 mA
Contact output section: Max. switching load	264 V AC 2 A, 125 V DC 2 A
Contact output section: Life	Mechanical: 20,000,000 times or more, electrical: 100,000 times or more at rated switching voltage/current
Demand surveillance section: Pulse input/Time limit synchronism signal input: Dedicated detection CT	Number of pulses: 50000 pulses/kWh Distance: 100 m or below (dedicated cable)
Demand surveillance section: Pulse input/Time limit synchronism signal input: Pulse detector	Signal type: No-voltage normally-open contact/Open collector Number of pulses: 50000, 12500, 10000, 2000 Pulse conditions: Pulse width, Pulse interval
Demand surveillance section: Power frequency input	100-110 V AC, -15% +10%, 50/60 Hz
Demand surveillance section: Contact output (1 point)	No-voltage normally-closed contact, 250 V AC 1 A, 30 V DC 1 A
Standard specification	CE, UL *KC, Chinese RoHS is for profit.

Recommended system environment

PC: OS (basic software)	Microsoft Windows 10 Pro (32bit, 64bit) Microsoft Windows 11 Pro (64bit)
PC: CPU	1 GHz or higher Pentium ® processor, or compatible microprocessor (DOS/V compatible)
PC: Memory *1	1 GB or more
PC: Hard disk *1	Save data collected by EcoWebServerIII to PC, enough disk space for the data is required
PC: CD drive	One or more drives (required to install the setting software)
PC: Display resolution	1,280 x 1,024 pixels or more
PC: Display color	65,536 colors or more
PC: Input device	A mouse and a keyboard
PC: External interface	10BASE-T / 100BASE-TX Memory card reader (when writing / reading / confirming a project via drive by setting software)
PC: Web browser *2	Microsoft Edge Google Chrome
Tablet *3: OS	Android6.0, iOS10
Tablet 3: Web browser 4	Google Chrome, Safari

Downloads & documentation

Official documents from Mitsubishi Electric (Factory Automation), downloaded directly from the manufacturer.

Data sheets & manuals

Energy Saving Data Collecting Server EcoWebServerIII User's Manual:Hardware Edition (MODEL:MES3-255C-DM-EN) (IB63895-U)	PDF · 2.35MB
Energy Saving Data Collecting Server EcoWebServerIII User's Manual:Operating Edition (MODEL:MES3-255C-EN/MES3-255C-DM-EN) (IB63918-P)	PDF · 5.23MB
Energy Saving Data Collecting Server EcoWebServerIII User's Manual:Setting Edition (MODEL:MES3-255C-EN/MES3-255C-DM-EN) (IB63919-S)	PDF · 15.11MB
Energy Measuring Unit (EcoMonitorPlus) Control Unit Remote Monitoring Tool User's Manual (IB63F73-A)	PDF · 0.97MB

12-month warrantyon all new stock

3-month warrantyon used & refurbished parts

30-day returnsno restocking fee on unused parts

Global shippingFast, tracked delivery worldwide