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Three Phase and Three Phase CT Type PMSFL User Manual - 24

Modbus Read Registers for the PMS

This is the setting.

Modbus-RTU on RS485

Baudrate: 9600

parity bit: even

data bit: 8

stop bit: 1

See this table for the Modbus registers.

Question #8

Do you know where I can get more informaton online about AC power and voltage?

Yes, please go to this page on the web for more informaton;

http://en.wikipedia.org/wiki/AC_power

Содержание PMS120-CT50

Страница 2: ...presented as follows depending on the degree of potential danger Operation of the equipment module device described in this manual may only be performed by qualified personnel Qualified personnel in this manual means person who are authorized to commission start up ground and label devices systems and circuits according to safety and Regulatory standards Use for the intended purpose The equipment ...

Страница 3: ...place after installation Installation maintenance and reparation should only be done by qualified personnel Never break the seals and open the front cover as this might influence the function of the meter and will void the warranty Do not drop or allow strong physical impact on the meter as the high precisely components inside may be damaged Disclaimer We have checked the contents of this publicat...

Страница 4: ...Three Phase and Three Phase CT Type PMSFL User Manual 4 Meter specifications ...

Страница 5: ...rmers These CT s range from 100 to 4000 Amps Please see the Current Transformer data sheet for more information on the CT s Maximum number of PMS per securityProbe It is recommended to not connect more than 6 x Three Phase PMS to a single securityProbe base units if you require to monitor all 14 readings of the Three Phase power lines Please see page 8 through 10 for the physical connections of th...

Страница 6: ... external fuse or thermal cut off which will be used as a over current protection device for the meter must be installed on the supply side wire and it is recommended that the over current protection device is near the meter so that it is more convenience for the operator The over current protection device should comply with the specifications of the buildings electrical design and all local regul...

Страница 7: ... 11 RS485 communication contact to securityProbe 1 2 Ia IN OUT 3 4 Ib IN OUT 5 6 Ic IN OUT 8 Neutral wire 18 16 14 Phase A B C 8 12 Test pulse output contact P P 9 12 Test pulse output contact Q Q 10 11 RS485 communication contact to securityProbe Consumption indication On the Three Phase and Three Phase CT Type PMS s front panel there are five LED respectively for the Active Reactive energy CT Ty...

Страница 8: ...nsumption and can t be reset to zero and other power Parameters include U I P Q S PF Thenumber system is based on units of 10 And unit is kWh Meters display three status self inspection status cycle display status and program status Self inspection status meters will come into self inspection status after connect with electricity theself inspection includes full screen software version number mete...

Страница 9: ...he display time of every item is 5 seconds You can only setup the CT after the meter is connected to electricity If the disappeared on LCD it means you cannot change the CT setting when the display on LCD you can program the setting of the CT if there is no symbol on the LCD display programming is forbidden ...

Страница 10: ...et the CT changing ratio The LCD shows 2 Press the SEL button and there are 27 Ratios 5 5 to 7500 5 you can choose from Example Secondary CT ration is 75 5 3 After choosing one CT Changing Ratio press the PRG button to confirm and the ration setting is complete The disappears 4 If do not set up the SEL button in 10 seconds the meter will turn to cycle status automatically The will disappear on LCD...

Страница 11: ... B on the PMS The A goes to while the B goes to VERY IMPORTANT NOTE You need to connect the AC POWER TO THE PMS FIRST before connecting it to the securityProbe base unit and adding the meter to the web interface The PMS should ONLY be installed by a qualified Electrician Engineer who is also familiar with Modbus RS485 Cabling and Run Length All Modbus manufacturers recommend a cable with 120Ohm ch...

Страница 12: ...the jumper aside the connector for 120 Ohm terminal resistor at the SEC side inside RS485 port if the jumper is used you must not add a terminal resistor at the SEC side If cable characteristic impedance differs from 120 Ohm terminal resistors should match the same impedance the two ends of the cable must be connected on Line Terminations If you have any questions about this please consult with yo...

Страница 13: ...ere are no duplicate PMS ID numbers in the chain 5 After you have completed the pre configurations of all of your PMS s that you are going to connect then reconnect each of them again in the same numerical sequence as you previously configured them with Start with PMS ID 1 and PMS ID 2 If these are working OK then you can connect the other PMS s in the string Note Connect PMS ID 1 and PMS ID 2 on ...

Страница 14: ...ing you to the Scan Meter page follow the directions below for a quick setup Once the AC Power has been connected to the PMS and the meter has been connected to the units RS 485 port click on the Start to begin scanning for the attached PMS as shown in the screen shot above ...

Страница 15: ...5 You can also add the meter manually by clicking on the Add Meter button as shown in the screen shot above The meters ID number will be from 1 to 256 You can also change a meters ID number using the Change Meter ID button as shown in the screen shot above ...

Страница 16: ... as shown in the screen shot above You can enter your Scan range if you know the amount of meters you will be adding You can stop the scan at any time by clicking on the Stop button You will now be taken to the meter settings page where you can enable each of the separate values you want to monitor First click on the Online Sensor button as shown ...

Страница 17: ... User Manual 17 above In the next screen you can enable all the values by adding a check in each of the check boxes that represent each of the listed values Then you would click on the Next button to continue as shown in the screen shot above ...

Страница 18: ...ming out Retry You can set the number of times the securityProbe will retry after a timeout has occurred After adding all the values you require you will be returned to the PMS main settings page which will now show the list of values or sensors each reading and status It may take a few minutes for the readings to be updated depending on how many PMS you have connected How to setup each of the sen...

Страница 19: ...ow you are able setup each of the sensors or value thresholds as shown in the screen shot above If you have the 3 phase PMS connected to each of the 3 phases of the AC lines each Phase Line will be shown in the PMS Menu column as shown in the screen shot above ...

Страница 20: ...L power meter to a SEC s RS485 bus which doesn t have the ID noted in step 1 and the ID which the PMS will be changed to old PMS ID 3 Use the SEC UI to change the new PMSFLS s ID to the old PMS ID that it will replace 4 Delete the old power meter from the securityProbe s web UI disable the meter and remove the meter 5 Physically replace the old power meter with the new PMSFL meter in the string 6 ...

Страница 21: ...al active power be read for each phase Answer No the total active power reading in the web interface will be the total active power of all 3 phases combined Question 2 How are the CT s or Current Transformers assembled and how do I open them Answer Please see the separate manual for the current transformers on this down load this from your support page or request this from support akcp com ...

Страница 22: ...tyProbe s RS 485 port simultaneously Answer Yes we can use many Modbus devices on our RS485 port in the same time However the Modbus device should be a Master or Slave device so we cannot use the SEC in both modes simultaneously We need to choose our securityProbe to one mode The page Settings Connectivity Modbus is where this setting is found for enabling our securityProbe to be the Slave device ...

Страница 23: ...se and Three Phase CT Type PMSFL User Manual 23 Question 7 What are the Modbus Read Regisors for the PMS Answer Please see the registors on the follow page which includes the chart showing all the read registors ...

Страница 24: ... setting Modbus RTU on RS485 Baudrate 9600 parity bit even data bit 8 stop bit 1 See this table for the Modbus registers Question 8 Do you know where I can get more informaton online about AC power and voltage Yes please go to this page on the web for more informaton http en wikipedia org wiki AC_power ...

Страница 25: ...hree Phase CT Type PMSFL User Manual 25 This concludes the PMS User Manual I you have any further questions or problems with the PMS please contact support akcp com for further assistance Thanks for choosing AKCess Pro ...

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