CVM-COM-RED USER`S MANUAL
Contents
1. AII three tariffs Example to inquire all three kWh counters 00RWHXG ch LF where a set the size of the answer a 1 ifn 0 10r2 a 3 ifn 3 CVM COM RED M 981 319 Page 27 APPENDIX USING A TERMINAL EMULATING SOFTWARE Setting communication with the CVM COM RED Set the local serial port of the PC up with the same parameters set in the modem at the other side of the phone line Enter the calling command ATD lt phone number of the CVM COM RED gt lt Cr gt Cr carriage return Wait for a CONNECT message on the screen coming from the modem When this message appears commands of the CVM COM RED can then be entered Active the local echo to see all data being sent to tte CVM COM RED Select the echo option To set the communication Ctrl gt message press the J key simultaneously with the Ctrl one is sent to the CVM COM RED peripheral The demand format is PPCCCAA lt Ctrl J gt All commands start with PP where PP stands for the identification code peripheral number CCC COMMAND and AA argument OT Whether the peripheral number is not known then the command can be sent with the identification code 00 since for the CVM COM RED only exists one remote peripheral The answer format is PPAA CRLF The commands with this special character which are allowed are only those that do not modify any critical parameter of the SETUP In t2. m CIRCUTOR MODEM PERIPHERAL DEVICE CVM COM RED Code 7 70 228 7 70 229 USER S MANUAL M 981 319 01 A CIRCUTORS A CVM COM MANUAL CONTENTS Page 1 BASIC INSTRUCTIONS recte ei e e oen ed ee aaa 2 1 1 Checking the contents of your nennen nennen eene ener nennen 2 1 2 Safety WarhIDgs s ose corra onn Ar eee eR eiue e d uie eee 2 2 CVM COM RED PERIPHERAL eren eene 3 3 INSTALLATION AND STARTUD n RD EE aaa 4 3 11 Connection procedure aus ree Doe RE ro REOR Cot edid inte ite iege 5 3 2 CVM COM RED connection 5 6 3 3 CVM COM RED connection mode to a panel mounting CVM unit type 8 3 4 CVM COM RED connection mode to DIN rail mounting CVM unit 9 3 5 Lighting indications of the CVM COM RED 10 3 0 CVM COM RED push buttons ettet rie 10 4 SETUP CONFIGURATION CONNECTION INSTRUCTIONS iii 11 5 TECHNICAL SPECIFICATIONS ertt ep aid Den S S EE OESE 12 6 SAFETY CONSIDERATIONS ert petet Lala EE et RR eu leali pee pes 13 7 MAINTENANCE AREALE eli tp Op Pii eerte E pisei 14 8 TECHNICAL SERVICE inet IU Ete te e Pete Eb tete citer ge e Aa 14 APPENDIX A CVM COM RED 15 A l D
3. 19 or 240 resistor for the adaptation of line end impedance bridge between terminals 20 18 and 19 17 Connection to different peripherals in the 485 type network RS 232 connection to PC Data set ready Transmitted data Received data Request to send Clear to send Common 3 3 CVM COM RED connection mode to panel mounting unit type CVMk CVM REDxx LINEA TELEFONICA 2 14 CVMk B LINEA TELEFONICA CVM COM x x A2 o 0 0000000 000 14 CVM COM RED M 981 319 Page 10 CVM COM 2 4 a CO LED This led blinks when the peripheral is receiving data from the CVM Network or from the PC When no communication exists then the led keeps off b C U LED When it keeps on it means that the CVM COM RED is running c Each lead indicates a particular modem operation status C Indication of Data Carrier Detect S Indication of data sending process Indication of data reception process some commands are being sent to the modem 3 6 CVM COM RED push buttons T ST This push button permits the default configuration of the RS 232 serial port to be set in the CVM COM RED P
4. PP 30 digits ch ALA Counter of alarm events ppALA PP 8 digits ch CLAi Delete counter of alarm events ppCLAi PP ACK ch INP Read digital input status ppINPi pp 2 digits ch i refers to the digital input no i 1 alarm 1 i 2 gt alarm 2 A 2 2 COMMANDS FOR THE PARAMETER READOUT negative energies only for the CVMk 4C unit four quadrant measurement ROI HeadVimeicline INST Spp ROIch pp 4x9digits ch V RAI Read Current INST Spp RAich Spp 4x9digits ch mA RPI Read Active power INST Spp RPich__ pp 4x9digits ch W RFI Read PFINST RFich Spp 4x3digits ch x 100 RWH Read active energy positive pp RWH ch pp 1x 9 digits ch Wh negative in absolute value pp 2x 9 digits ch RLH Read inductive energy positive pp RLH ch pp 1x 9 digits ch varLh 5 negative in absolute value For the CVMK 4C pp 2x 9 digits ch Read capacitive energy positive RCH ch pp 1 9 digits ch negative in absolute value For the CVMk 4C pp 2x 9 digits ch Read clock in real time pp RCL ch pp 17 characters ch dd mm yy hh mm ss Read maximum demand value pp RMD ch pp 35 digits ch DATE MAXIMUM from the last reset LAST PERIOD MAXIMUM 9 dig 9 dig CMD Delete maximum demand value CMD ch pp ACK ch 0 A 2 3 COMMAND READ ALL PARAMETERS FROM THE COMMAND CONCEPT QUESTION ANSWER SIZE
5. a RS 232 communication via the phone line Full duplex This RS 232 port is connected to the phone line by a RJ 11 connector b 2 voltage free inputs c COM1 RS 232 serial port for a direct link to the PC d COM2 RS 485 serial port for a link to the family meters Description The CVM COM RED is an instrument that permits the control of a 485 communication network via the phone line Main features of this instrument are below listed Ability of controlling a 485 communication network from a remote site via the phone line Setting up actions over remote metering units Downloading data from analyzers equipped with internal memory Detection of alarms through its voltage free inputs Automatic call up when alarm conditions are met so sending a user programmable message 3 INSTALLATION AND STARTUP The manual you hold in your hands contains information and warnings that the user should respect in order to guarantee a proper operation of all the instrument functions and keep its safety conditions The instrument must not be powered and used until its definitive assembly inside the switchgear board If the instrument is not used as manufacturer s specifications the protection of the instrument can be damaged When any protection failure is suspected to exist for example it presents external visible damages the instrument must be immediately powered OFF In this case contact a qualified ser
6. CVM COM RED M 981 319 Page 21 Counters of alarm events XXALA lt CHK gt XXALA lt Ctrl j gt The answer is XXyyyyzzzz lt CHK gt XXyyyyzzzz lt Ctrl j gt Where yyyy Times that the alarm 1 has been activated 2222 Times that the alarm 2 has been activated e Deleting alarm events counters XXCLAy lt CHK gt or XXCLAy lt Ctrl j gt The answer is XXACK lt CHK gt XXACK lt Ctrl j gt Where y it refers to the alarm events counter to be reset to zero Reading the digital input status XXINP lt CHK gt XXINP lt Ctrl j gt The answer is XXyz lt CHK gt XXyz lt Ctrl j gt Where y Status the digital input 1 z Status of the digital input 2 Remarks 1 Alarm events counters will increase their value always that an alarm condition is detected regardless the call is made or not 2 Alarm events counters will be reset to zero if the user delete these counters by using the applicable communication command but also in case of oversize 3 The maximum value allowable for any alarm events counter is 9999 Once this value is reached then the counter will be automatically reset to zero SUMMARY OF SETTING COMMANDS CONCEPT QUESTION ANSWER RAI Read alarm calls pp RAI ch pp 60 digits ch PHO Enable Disable alarms ppPHO 3 digits ch PP ACK ch WHMIi Write alarm message ppWMIi 30 digit ch PP ACK ch RMIi Read alarm message ppRMIi
7. must be entered before the first digit If 0 is set then the instrument will call the first set number up if no answer is received after finishing user defined attempts it will call the second phone number up If 1 is set then the instrument will call both user established phone numbers Second phone number to be called up For the Alarm 1 readout XXRA1 lt CHK gt or XXRA1 lt Ctrl j gt The answer is XXyZZMNNNPPPPPPPPPPPPPPPPPPPPPPpppvaggggggggggggggaggaggagaRR lt CHK gt or XXyzzmnnnpppppppppppppppppppppppppvagggagggggggggggaggggggaRR lt Ctrl j gt CVM COM RED M 981 319 Page 19 For the Alarm 2 readout XXRA2 lt CHK gt or XXRA2 lt Ctrl j gt XXyzzmnnnpppppppppppppppppppppppppvaqqaqaaaaaaaaaaaaaaaaaaa RR CHK XXyZzmnnnpppppppppppppppppppppppppvagggggaggggggggggggaggggRR lt Ctrl j gt Where RR ON or OF depending on whether the call activation by alarm is enabled or disabled Command for enable disable call If the command of call setting is send then the CVM COM RED is automatically enabled for calling in case of alarm To enable or disable the call action in case of alarm the user should set XX PHOyzz lt CHK gt XXPHOyzz lt Ctrl j gt The answer is XXACK lt CHK gt or XXACK lt Ctrl j gt Where XX Identification code peripheral number of the CVM COM RED Transparent y _ it refers to the alarm to be act
8. EMAND FORMAT au e URGERE T e Oper pede iere ERR 15 A2 COMMANDS 2 assai pleno lil 16 A 2 1 SETTING COMMANDS 16 A 2 2 COMMANDS FOR THE PARAMETER READOUT 24 A 2 3 COMMAND TO READ ALL PARAMETERS FROM THE CVMk n 25 A 2 4 ADDITIONAL COMMUNICATION COMMANDS FOR THREE BILLING PERIODS CVM RED MAX MODULE e ies Aire ied MURAL AG a 26 APPENDIX B USING TERMINAL EMULATING SOFTWARE eene 27 CVM COM RED PERIPHERAL 1 BASIC INSTRUCTIONS 1 1 Checking the contents of your package This manual is issued to help all the CVM COM RED peripheral users to install and apply it in order to get the best from it After receiving the unit please check following points a The delivered material meets your order specifications b After unpacking check that the instrument has not been damaged in transit The standard set includes a user s manual 1 2 Safety warnings The manual you hold in your hands contains information and warnings about the CVM COM RED that the user should respect order to guarantee a proper operation of all the instrument functions and keep its safety conditions 2 CVM COM RED PERIPHERAL The CV CO WITH BUILT IN MODEM has the capacity of communicating with a 485 type network formed by CVM CVM M or other peripheral units CVM COM RED stu e tco sstsoffo ow gee e ts
9. Read TOTAL pp 244 bytes ch With this parameter all the parameters are inquired 30 x 8 bytes in hexa ASCII format in the following order Current 1 8 Frequency __ 1 29 Apparntpower 2 bytes current units 00 mA 01 A 2 bytes power units 00 W 01 kW Power factor x 100 When capacitive then 200 is added O 100 200 ss CVM COM RED 981 319 Page 26 A 2 4 ADDITIONAL COMMUNICATION COMMANDS FOR THREE BILLING PERIODS CVM RED MAX MODULE negative energies only for the CVMk 4C unit four quadrant measurement RWHXn Read active energy positive pc RWHXn ch pp ax 9 digits ch Wh negative in absolute value RR 9 dig ch RLHXn Read inductive energy positive pp RLHXn ch pp ax 9 digits ch varLh negative in absolute value p For the 9 dig ch Read capacitive energy positive pp RCHXn ch pp ax 9digits ch negative in absolute value For the CVMk 4C pp 2a x 9 dig ch CMDXn Delete maximum demand value pp CMDXnch pp ACK ch E pd 0 Read maximum demand value pp RMDXn ch pp a x 35 digits ch DATE MAXIMUM from the last XX XX XX reset LAST PERIOD 9 dig MAXIMUM XXXXXXXXX 9 dig 7 n is the inquired tariff number O Tariff 1 1 Tariff 2 2 3
10. ed up 274 phone number to be called optional function Setting the message to be sent by the CVM COM RED Transparent when calling up Enable Disable call Setting commands for the alarms will be Setting the call according to the alarm condition The user can optionally set the modem to call two phone numbers up This command will be as follows 1 2 lt gt or XXAL1yzzmnnnpppppppppppppppppppppppppvaggggggggggggaggggggaggg lt CEtrl j gt XXAL2yzzmnnnppppppppppppppPpPPPPPPpPppvaaggggggggggaggggggggggg lt CHK gt or XXAL2yzzmnnnpppppppppppppppppppppppppvagggggggagggggaggggggagg lt Ctrl j gt cale CVM COM RED M 981 319 Page 18 The answer is XXACK lt CHK gt or XXACK lt Ctrl j gt Where XX Identification code peripheral number of the CVM COM RED Transparent y Alarm activation by High 1 or Low 0 zz Delay time for the alarm connection in seconds 0 99 s m Number of attempts 0 9 nnn Delay time between successive attempts in seconds 0 999 s ppppppppppp Phone number to be call up Phone numbers up to 25 digits can be set so also including possible calls from a phone switchboard that is the 0 and the waiting time which is represented by a comma sign If the number to be set consist of less than 11 digits then gaps
11. eripheral 99 9 600 baud 8 bits 1 stop bit Non 4 SETUP CONFIGURATION CONNECTION INSTRUCTIONS Connect the power supply of the instrument 230 V a c 10 15 96 to the terminals marked as A1 A2 1 28 Connect the RS 232 output of the CVM COM to one of the serial ports of the PC unit according to the below arrangement CVM COM Data set ready Transmitted data Received data Request to send Clear to send Common NOTE If you do not know the configuration of the CVM COM RED then proceed as follows Remove the power supply from the CVM COM By pressing then the T ST button atthe same time that it is again powered on the RS 232 serial port of the CVM COM is set with the following standard values Baud 9 600 Parity NO bits 8 Stop bits 1 peripheral 99 5 TECHNICAL SPECIFICATIONS Power supply circuit Voltage Voltage tolerance Frequency Burden Operation temperature Digital inputs Constructive characteristics Case type Connection terminals Assembly Frontal cover IP degree Dimensions M 981 319 Page 12 Single phase 230 V a c 10 96 15 96 50 60 Hz 7 0 to 50 C 2 contact type inputs Modular type self extinguishing plastic casing Metallic terminals with posidraft screws To be fitted onto symmetric rail as per DIN 46277 EN 50022 Screw fixing al
12. his case the instrument does not check the check sum The answer always ends in CRLF to make easier its visualization sale CVM COM RED 981 319 Page 28 Freeing the communication with the peripheral To end the communication is necessary to free the line to do that act as follows Active the command mode in the local modem Type three characters After few seconds the message OK coming from the modem should appear on display This indicates that the this modem will be the receiver of the commands from now on Whether OK does not appear then it will automatically try it again Unable the local echo or otherwise all characters typed from now on will be doubly displayed Deselect the option gt Echo Hung the line up by typing the modem command ATH lt Cr gt The led CD in the CVM COM will be off The modem will answer an OK message
13. is suspected to exist the instrument must be immediately put our of service The design of the analyzer permits its quick replacement in case of failure 8 TECHNICAL SERVICE For any inquiry about the instrument performance or If any failure happens please contact to CIRCUTOR s technical service C C TO SA Afte saessevce c epa to 9 08223 T ASSA Te 3493 5 900 fax 3493 5 9 a ceta cc to es APPENDIX A CVM COM RED COMMUNICATIONS The CVM COM RED can be directly connected to a PC either via 5 232 or via the telephone line IMPORTANT REMARK We must remark that the communication parameter setting for the RS 232 and the RS 485 must be totally identical otherwise the answer for the communication command will be an error In terms of the network of instruments connected to the RS 485 the situation is alike that is all communication parameters must be equal for all the units excepts for the peripheral no When the network is inquired with the identification code peripheral no 00 then the command will not be transferred to the network but only the CVM COM RED will answer PROTOCOL Question Answer A 1 DEMAND FORMAT The demand format is PPCCCAA ch LF example 01RVI76 The answer format is PPAA ch LF Any message starts with this symbol ASCII 36 The identification code peripheral number 01 to 99 for the portable the CVM unit decimal ASCII COMMAND AA CHECK SUM Check s
14. ivated so 1 is for the alarm linked to the digital input 1 and 2 is for the alarm linked to the digital input 2 Zz ON enables call by alarm function and OF disable call by alarm function sale CVM COM RED M 981 319 Page 20 Message to be sent by the instrument in case of alarm activation e Writing the message sent via phone XXWMllb lt gt or XXWMlbcccccccceccccccccccceccccccccccc lt Ctrl j gt The answer is XXACK lt CHK gt XXACK lt Ctrl j gt Where XX Identification code peripheral number of the CVM COM RED Transparent itrefers to the digital input the message is related to so 1 is for the digital input 1 and 2 is for the digital input 2 30 characters gaps can also be included if necessary e Reading the message sent via phone XXRMly lt CHK gt or XXRMly lt Ctrl j gt The answer is lt gt lt gt Where XX Identification code peripheral number of the CVM COM RED Transparent refers to the digital input the message is related to so 1 is for the digital input 1 and 2 is for the digital input 2 Therefore the returning value will be the one related to the message set in the alarm 1 or the one set in the alarm 2
15. so possible 4 2 mm passing hole for fixing purposes Lexan Built in relay IP 41 Terminals IP 20 140 x 70x 110 mm 8 module size as per DIN 43 880 Standards Class Il as per EN 61010 IEC 664 VDE 0110 UL 94 CVM COM RED 981 319 Page 13 Dimensions OR a 110 45 60 140 70 6 SAFETY CONSIDERATIONS The user should take into account all installation instructions indicated in sections INSTALLATION amp STARTUP CONNECTION PROCEDURE and TECHNICAL SPECIFICATIONS of this manual Notice that with the instrument powered on the terminals could be dangerous to touching and cover opening or element removal actions may allow the access to dangerous parts The analyzer has been designed and tested to meet IEC 348 standard and is factory shipped in proper operating conditions e CVM COM RED M 981 319 Page 14 7 MAINTENANCE The CVM COM RED does not require any special maintenance No adjustment maintenance or repairing action should be done over the instrument open and powered and should those actions are essential high qualified operators must perform them Before any adjustment replacement maintenance or repairing operation is carried out the instrument must be totally disconnected from any power supply source When any protection failure
16. um of all the elements forming the message It is calculated by the decimal addition of all the previous bytes in ASCII and then translating the result into hexadecimal Two digits are taken example 01RVI gt 36 48 49 82 86 73 374 374 decimal 176 hexad CHECK SUM 76 gt 01RVI76 LF LF LINE FEED indicates the end of the message ASCII 10 A 2 COMMANDS A 2 1 SETTING COMMANDS CONCEPT QUESTION ANSWER DEF default parameters a DEF ch SPPACKch RS Read communicators ier GJ WRS communications a 13 digits ch NOTE The RRS WRS command communications 2 digits peripheral number 1 digit Parity 1 digit length 1 digit Stop bits 4 digits Baud rate SERIAL RS 232 output 4 digit Baud rate 2 RS 485 output COMMAND CONCEPT QUESTION ANSWER Read CVM COM version pp VER ch 4 digits ch iN 2 e spo ci RNR Read number of rings pp RNR ch pp 2 et ch Write number of rings pp WNR 2 dig ch pp ch Setting alarms in the CVM COM RED Transparent Particular communication commands for alarm setting will be defined Parameters involving alarms that must be set are Activation of alarms according to the status of the digital alarms 1 or 0 Waiting time before the CVM COM call Transparent Number of calling attempts to be done by the instrument and the waiting time between them Phone number to be call
17. vice representative CVM COM RED 981 319 Page 5 3 1 Connection procedure Before powering the instrument up please check following points a Power supply 230 V 10 15 between terminals marked as A1 A2 1 amp 28 Frequency 50 60 Hz c Instrument burden 7 VA d Operation conditions Operation temperature 0 to 50 C Operation humidity 75 e Safety Designed to meet protection class Il as per EN 61010 Assembly mode J The Instrument is to be mounted onto DIN rail All connections keep inside the switchgear cabinet Notice that with the instrument powered on the terminals could be dangerous to touching and cover opening actions or element removal may allow the access to dangerous parts The instrument must not be used until this is completely installed The instrument must be connected to a power supply circuit protected with gl type IEC 269 or M type fuses rated between 0 5 and 2 A This circuit should be provided with a circuit breaker I O or any equivalent element to connect ON or disconnect OFF the instrument from the power supply network this switching element should be placed close to the instrument and be easily accessible The power supply circuit will be connected through a wire with a minimum cross section of 1 mm UE 9 mrs 2 1 GND A2 INPUT Common of voltage free inputs Input of alarm No 1 Input of alarm No 2
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