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INSTRUCTION MANUAL
MULTI POWER MONITORING MODULE
(clamp-on current sensor CLSE, CC-Link)
BEFORE USE ....
Thank you for choosing M-System. Before use, please check
contents of the package you received as outlined below.
If you have any problems or questions with the product,
please contact M-System's Sales Office or representatives.
■ PACKAGE INCLUDES:
Multi power monitoring module .........................................(1)
Terminating resistor (110 Ω, 0.5 W) ...................................(1)
■ MODEL NO.
Confirm Model No. marking on the product to be exactly
what you ordered.
■ INSTRUCTION MANUAL
This manual describes necessary points of caution when
you use this product, including installation, connection and
basic maintenance procedures.
The R7CWTU is programmable by using the PC Configura-
tor Software. For detailed information on the PC configura-
tion, refer to the PMCFG users manual. The PMCFG PC
Configurator Software is downloadable at M-System's web
site: http://www.m-system.co.jp
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp
MODEL
POINTS OF CAUTION
■ POWER INPUT RATING & OPERATIONAL RANGE
• Locate the power input rating marked on the product and
confirm its operational range as indicated below:
100 – 240V AC rating: 85 – 264V, 50/60 Hz, < 8VA
110 – 240V DC rating: 99 – 264V, < 3W
■ GENERAL PRECAUTIONS
• Before you remove or mount the unit, turn off the power
supply and input signal for safety.
• DO NOT set the switches on the module while the power
is supplied. The switches are used only for maintenance
without the power.
■ ENVIRONMENT
• Indoor use.
• When heavy dust or metal particles are present in the
air, install the unit inside proper housing with sufficient
ventilation.
• Do not install the unit where it is subjected to continuous
vibration. Do not subject the unit to physical impact.
• Environmental temperature must be within -10 to +55°C
(14 to 131°F) with relative humidity within 30 to 90% RH
in order to ensure adequate life span and operation.
■ WIRING
• Wiring to the unit must be conducted by qualified service
personnel.
• Do not install cables close to noise sources (relay drive
cable, high frequency line, etc.).
• Do not bind these cables together with those in which
noises are present. Do not install them in the same duct.
■ AND ....
• The unit is designed to function as soon as power is sup-
plied, however, a warm up for 10 minutes is required for
satisfying complete performance described in the data
sheet.
R7CWTU
EM-7814 Rev.3 P. 1 / 18
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Table of Contents
Related Manuals for M-system R7CWTU
Summary of Contents for M-system R7CWTU
- Page 1 • When heavy dust or metal particles are present in the basic maintenance procedures. air, install the unit inside proper housing with sufficient The R7CWTU is programmable by using the PC Configura- ventilation. tor Software. For detailed information on the PC configura- •...
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Page 2: Component Identification
Note 1: Turn on the power supply to the unit after setting sta- tion address, baud rate and operating mode. Baud Rate Setting Note 2: Be sure to set unused SW1-7 to OFF. EM-7814 Rev.3 P. 2 / 18 5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp... -
Page 3: Status Indicator Led
*1. SD LED may look not blinking but ON with high baud rate and fewer connected modules. *2. LEDs indicated with “----” in STATUS rarely occurs in normal operation (LED failure or the like as possible cause). EM-7814 Rev.3 P. 3 / 18 5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp... -
Page 4: Terminal Connections
DI 1+ Di 1+ DI 2+ Di 2+ DI 3+ Di 3+ DISCRETE 2 Ch. CURRENT INPUT INPUT DI 4+ Di 4+ EM-7814 Rev.3 P. 4 / 18 5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp... -
Page 5: Communication Cable Connections
Note: Be sure to turn ON the terminating resistor located at both ends of the modules. Crosswire between terminals DA – DB. Master unit is connectable at both ends and at other points. EM-7814 Rev.3 P. 5 / 18 5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp... -
Page 6: Wiring Instructions
■ READING/WRITING VIA CC-Link In order to read measured data from or write new settings to the R7CWTU, access registers in the unit via CC-Link accord- ing to the tables below. All registers are composed of two words in signed integer. Negative values are in two’s complements. - Page 7 212H Device error (Time out) RWw3 to RX1, RWr0, RWr2, RWr3. 213H Device error (Communication) • Master to Slave (R7CWTU) Note: Check the R7CWTU’s fault, if device error repeats. REQUIRE READING WRITING Sequence (4) • Slave (R7CWTU) to Master Confirm RX0 is ON, and then read in reply data.
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Page 8: System Operations
Resetting energy count for Circuit 2. Same as with the register 5330. 5339 Loop test (Circuit 2) Turning Circuit 2 to the loop test mode. Same as the register 5336. (*) Factory setting EM-7814 Rev.3 P. 8 / 18 5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp... -
Page 9: Cc-Link - Setting
Same as with the register 5603. 5612 Low-end cutout, Current (Circuit 2) %/10 Same as with the register 5608. (*) Factory setting EM-7814 Rev.3 P. 9 / 18 5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp... -
Page 10: Demand Setting
S = S1 + S2 + S3 (*) Factory setting Note: ‘1,’ ‘2,’ ‘3’ in expressions like Q1, Q2, Q3 indicate ‘R,’ ‘S,’ ‘T’ respectively. EM-7814 Rev.3 P. 10 / 18 5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp... - Page 11 4085 UT23 Phase angle between Phase 2 – 3 voltages ° 4087 UT31 Phase angle between Phase 3 – 1 voltages ° EM-7814 Rev.3 P. 11 / 18 5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp...
- Page 12 4249 L-EPA_L Active energy fraction, low tariff, (incoming – outgoing) kWh/(10×2 4251 L-EQA_L Reactive energy fraction, low tariff, (incoming + outgoing) kvarh/(10×2 EM-7814 Rev.3 P. 12 / 18 5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp...
- Page 13 Active power AVG, History 4 4579 Q AVG 4 Reactive power AVG, History 4 4581 S AVG 4 Apparent power AVG, History 4 EM-7814 Rev.3 P. 13 / 18 5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp...
- Page 14 Current MIN, Line 1 2963 I2 MIN Current MIN, Line 2 2965 I3 MIN Current MIN, Line 3 2967 IN MIN Neutral current MIN EM-7814 Rev.3 P. 14 / 18 5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp...
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Page 15: Total Harmonic Distortion (Thd)
THD U2N Phase voltage total harmonic distortion, Phase 2 %/10 1299 8299 THD U3N Phase voltage total harmonic distortion, Phase 3 %/10 EM-7814 Rev.3 P. 15 / 18 5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp... - Page 16 HD U2N 31 31st 2113 9113 HD U3N 2 Phase voltage harmonic, Phase 3, 2nd %/10 2142 9142 HD U3N 31 31st EM-7814 Rev.3 P. 16 / 18 5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp...
- Page 17 ‘1’ is placed when the respective errors are detected. All measuring operations stop while one or more sys- tem errors are detected. ■ DIAGNOSTICS RGTR. PARAMETER UNIT 9217 Processing delays times 9219 Processing delay sequence number EM-7814 Rev.3 P. 17 / 18 5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp...
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Page 18: Lightning Surge Protection
Number of counters 0 : None (R7xWTU-221-AD4) 4 : 4 points (R7xWTU-211-AD4) LIGHTNING SURGE PROTECTION M-System offers a series of lightning surge protector for protection against induced lightning surges. Please contact M-System to choose appropriate models. EM-7814 Rev.3 P. 18 / 18 5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp...
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