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Control Unit ELC500

Specifications

Main unit specifications

Item Specification
Rated operating voltage 24 V DC
Current consumption 300 mA or less (Note)
Ambient temperature 0 to +55 ℃ +32 to +131 ℉
Ambient humidity 10 to 95% RH(at +25 ℃ +77 ℉, no dew condensation allowed)
Serial communication Ethernet: 1 port, RS-232C: 1 port, RS-485 / 422: 2 ports
Compatible regulations Low Voltage Directive, EMC Directive, RoHS Directive

Note : Regarding system consumption current, see the User’s Manual for ELC500 Control Unit.

External memory specifications

Item Specification
Supported media SD memory card
Compatible format Compatible with SD / SDHC standards (FAT16 and FAT32 only)
Capacity 2 to 32 GB
Speed class Class 2 to Class 10

Notes :

1) If a (momentary) power outage occurs during writing, data can become corrupted. Use of UPS (Uninterruptible Power Supply) is recommended.
2) Please use the SLC type SD memory card.
For the handling of SD memory card, see the User’s Manual for ELC500 Control Unit.

Main specifications

Item Specification
Communication
(Downstream communication)
• Ethernet: 1 port [supported protocols: MEWTOCOL-COM, Modbus TCP; number of nodes: 197 units; number of simultaneous connections: 20]
• RS-232C: 1 port [supported protocols: MEWTOCOL-COM, Modbus RTU, general-purpose communication]
• RS-485 / 422: 2 ports [supported protocols: MEWTOCOL-COM, Modbus RTU, PLC link, general-purpose communication]
Data collection
(logging) function
• Stored data: Instantaneous values, differential values
• Data storage location, storage format: SD / SDHC memory card, CSV file format
• Maximum number of registerable points: 512 points/16 files (Up to 16 files can be registered. Up to 128 points can be registered in 1 file.)
• Number of storable files: 100 files
Demand monitoring function • Demand type: Constant-cycle (15 / 30 / 60 min) demand; demand cycle: 5 sec (high speed)/min, IEC demand (Note 1) (demand / interval time span: 1 to 60 min)
• Total number of demand monitoring target units: 50 units
• Number of registerable I/O control devices / control patterns: 16 points / alarm-linked control, startup control, cyclic control (ON/OFF control for all) (Note 2)
Network function • Communication protocols: TCP/IP, UDP/IP
• Application protocols: SMTP (SMTP AUTH supported), FTP (client / server), SNTP, DHCP, DNS, HTTP (server)
Email transmission function • Number of registerable points: 16 points
• Subject title: 64 half-width characters (32 full-width characters), Message: 256 half-width characters (128 full-width characters)
Others • Web server function: Custom Web region, 8 MB (Control Web Creator is required), number of simultaneous sessions: 16
• Extension function: Addition of FP7 (PLC) units enables acquisition of information such as I/O signals, analog data and temperature data. Maximum of 8 units (Note 3)
• Program function: 32-k steps Programming is possible when Control FPWIN Pro7 is used.

Notes :

1) Demand in compliance with IEC 61557-12, “Performance measuring and monitoring devices (PMD)”
2) Use ECOnect® series remote I/O units (UENU2D4R12).
3) The number of connectable units is limited. For details, refer to the ELC500 Control Unit Specifications or manual.
Note : Ethernet is a registered trademark of Fuji Xerox Co., Ltd. and Xerox Corporation in the U.S.
Modbus protocol is a communication protocol developed by Modicon Inc. for use with programmable logic controllers (PLCs).

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