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Names and Functions of Parts

FP2

−

CCU

−

2.1 Names and Functions of Parts

2.1.3

COM.1 and COM.2 Ports (9 Pins)

These are used to connect the RS232C connector of an RS232C device such as a

personal computer or display panel, using a shielded cable.

Pin layout

Pin No.

Name

Mnemonic

Signal direction

Frame Ground

—

Send Data

Unit

→

External device

Receive Data

Unit

←

External device

Request to Send

Unit

→

External device

Clear to Send

Unit

←

External device

(Not used)

—

Signal Ground

—

Receive Carrier Detect

Unit

←

External device

Equipment Ready

Unit

→

External device

−

pin internal)

Summary of Contents for FP2 Series

Page 1: ......

Page 2: ...tion use this product at the values less than the maximum of the characteristics and performance that are assured in these specifications Do not dismantle or remodel the product It could cause excessi...

Page 3: ...1 4 Communication Conditions and Restrictions Relating to Functions 1 8 1 4 1 Precautions when Using the FP2 CPU Unit 1 1 8 1 4 2 Precautions when Using the FP2 CPU Unit 2 1 9 Chapter 2 Names and Func...

Page 4: ...LED on the Computer Communication Unit Lights 5 3 5 1 2 If the ERROR LED on the Computer Communication Unit Lights 5 4 5 2 What to Do if an Error Occurs 5 5 5 2 1 If the ALARM LED on the Computer Comm...

Page 5: ...The FP2 Computer Communication Unit has no reset switch Connections with serial devices are made in the same way for both units The specifications for the RS232C interface of the FP2 Computer Communic...

Page 6: ...ion speed Baud rate 19 200 bits s 9 600 bits s 4 800 bits s 2 400 bits s 1 200 bits s 600 bits s 300 bits s Transmission speed Baud rate when modem is connected 9 600 bits s when modem is connected 2...

Page 7: ...ew 1 4 1 3 Restrictions on Units Combination 1 6 1 3 1 Restrictions on Current Consumption 1 6 1 3 2 Restrictions on Installation Position 1 6 1 3 3 Restrictions on Number of Units that can be Install...

Page 8: ...FP2 CCU Functions of Computer Communication Unit 1 2...

Page 9: ...to peer communication with a personal computer is possible This unit can be directly connected with a personal computer through RS232C to collect and write data from it without building up a large sc...

Page 10: ...evices such as computers and display panels are created in accordance with the protocol MEWTOCOL More than 20 types of commands are available including commands for reading and writing the data area a...

Page 11: ...eading data 0 0 0 0 0 0 0 0 0 0 1 1 End code Start code Destination Indicates command Type of command BCC Block Check Code Data specification RD stands for Read Data R D CR D Response format Example o...

Page 12: ...he power supply unit Unit name Part No Current consumption at 5 V DC FP2 Computer Communication Unit FP2 CCU 60 mA or less For information on the internal current consumptions of other units please re...

Page 13: ...ric tions described under section 1 4 Communication Conditions and Re strictions Relating to Functions Up to five units using Computer Com munication Units and Multi wire Link Unit MEWNET W mode in co...

Page 14: ...L CCU CCU CCU For example during the time that a program is being read at the tool port of the CPU unit a communication er ror will occur at the display panel connected to the COM 1 port of the Compu...

Page 15: ...tion does not apply Tip 1 4 2 Precautions when Using the FP2 CPU Unit 2 Of the commands sent from a host computer or display panel if the monitor commands the MC MD and MG codes are used they cannot b...

Page 16: ...stination from another station connected with the Multi wire Link Unit MW the monitoring destination of the Computer Communication Unit COM 1 port of the source station side will end up being changed...

Page 17: ...and Functions of Parts 2 1 Names and Functions of Parts 2 3 2 1 1 Names and Functions of Parts 2 3 2 1 2 Operating Status LEDs 2 4 2 1 3 COM 1 and COM 2 Ports 9 Pins 2 5 2 1 4 Transmission Format Set...

Page 18: ...FP2 CCU Names and Functions of Parts 2 2...

Page 19: ...such as a personal computer or display panel using a shielded cable 3 Transmission format setting switch These switches are used to set the transmission speed baud rate and character bit for the COM 1...

Page 20: ...being received Receive Data monitor Goes out when no data is being received ERR red Communication error Lights if communication error occurs Communication error Goes out if normal frame is received C...

Page 21: ...r or display panel using a shielded cable Pin layout Pin No Name Mnemonic Signal direction 1 Frame Ground FG 2 Send Data SD Unit External device 3 Receive Data RD Unit External device 4 Request to Sen...

Page 22: ...00 bits s 0 Character bit 7 bit 1 8 bit COM 2 1 Reserved for system 0 0 Modem support 9 600 bits s 1 0 Transmission speed Baud rate 19 200 bits s 0 1 Baud rate 9 600 bits s 1 1 4 800 bits s 0 Characte...

Page 23: ...sign Contents 3 1 Setting the Transmission Speed Baud Rate and Transmission Format 3 3 3 1 1 Transmission Format Setting Using Switch 3 3 3 2 Confirming the I O Allocation and Root No 3 5 3 2 1 I O Al...

Page 24: ...FP2 CCU Confirming Unit Settings and Design Contents 3 2...

Page 25: ...ransmission speed baud rate and transmission format Items Setting when shipped from factory Settings that can be set with the switches Transmission speed Baud rate 9 600 bits s 4 800 bits s 9 600 bits...

Page 26: ...te The No 1 and No 5 transmission format setting switches are reserved for system use These are set to on when the unit is shipped from the factory and should be left at that setting The transmission...

Page 27: ...0 Y1F WY1 Y20 Y2F WY2 Y40 to Y4F WY4 to to to 16 point input unit 16 point output unit 16 point output unit 16 point output unit 30 to 3F are occupied CCU COM 1 Notes If there are any empty slots betw...

Page 28: ...directly in the handling of the Computer Communication Unit but if a Multi wire Link Unit is being used at the same time these numbers are sometimes specified on the Multi wire Link Unit side Example...

Page 29: ...4 1 RS232C Port Signals 4 3 4 2 Wiring between RS232C Ports 4 5 4 2 1 Connecting to a Personal Computer 4 5 4 2 2 Connections with Operation Display Panel 4 6 4 2 3 Connections with RS232C Devices 4 7...

Page 30: ...FP2 CCU RS232C Port Wiring 4 2...

Page 31: ...ter Communication Unit the SD green LED among the operating status LEDs flashes if the data has been sent properly RD Receive Data This signal is used when data is being received from a partner device...

Page 32: ...al is within the specified range With the FP2 Computer Communication Unit input to this terminal is invalid so no connections are necessary ER Equipment Ready This signal notifies the partner device t...

Page 33: ...Product No AFB85853 is available for making connections to a personal computer AFB85853 Crossing cable 9 pin external 9 pin internal 3000 100 118 11 3 937 1 1 6 1 6 M2 6 screws Dimension 2 M2 6 screw...

Page 34: ...rnal 1 6 25 13 3000 100 118 11 3 937 1 M2 6 screws Dimension 2 M2 6 screws unit mm in Wiring diagram D sub 9 pin external D sub 25 pin external Pin No PLC side Display panel side Signal name Mnemonic...

Page 35: ...ation Unit side FG SD RD RS CS SG CD ER Pin No 1 2 3 4 5 6 7 8 9 RS232C side 9 pin Mnemonic Mnemonic The CS and CD signals from the partner device are set invalid on the Computer Communication Unit si...

Page 36: ...ion 9 pin external 25 pin external 3000 100 118 11 3 937 1 1 6 13 25 M2 6 screws 2 M2 6 screws Dimension unit mm in Open D sub 9 pin external D sub 25 pin external Wiring diagram Pin No PLC side Modem...

Page 37: ...If the ERROR LED on the Computer Communication Unit Lights 5 4 5 2 What to Do if an Error Occurs 5 5 5 2 1 If the ALARM LED on the Computer Communication Unit Lights 5 5 5 2 2 If the ERROR LED on the...

Page 38: ...FP2 CCU Troubleshooting 5 2...

Page 39: ...nit lights if the watchdog timer in the unit is activated to warn of a problem CCU SD RD ERRSD RD ERR ALARM CCU COM 1 COM 2 ALARM LED CPU unit operation when the ALARM LED lights The ERROR LED on the...

Page 40: ...continues even if the ERROR LED lights If an error occurs during reception the frame currently being received is cleared and the ERROR LED lights If the next frame is received normally however that fr...

Page 41: ...the communication conditions between the two devices do not match or the received command is in the wrong format communication cannot be carried out properly Solution 1 Check to see if the transmissi...

Page 42: ...from the host side or the PLC side is unable to process the command Solution Take corrective action based on the error response code For information on error codes please check page 6 5 If the host si...

Page 43: ...Chapter 6 Specifications 6 1 Specifications 6 3 6 2 Table of MEWTOCOL Command 6 4 6 2 1 MEWTOCOL COM Commands 6 4 6 3 Table of MEWTOCOL COM Error Code 6 5...

Page 44: ...FP2 CCU Specifications 6 2...

Page 45: ...00 4 800 bits s selectable using DIP switch Communication method Half duplex Synchronous method Start stop synchronous method Transmission code ASCII Transmission data format Stop bit 1 bit Parity Val...

Page 46: ...d unit of contact information WCC Write word unit of contact information SC Preset word unit in contact area RD Read data area WD Write data area SD Preset of data area RS Read timer and counter set v...

Page 47: ...ngs are different the ERR LED lights but no error code is returned ERR LED on the FP2 Computer Communication Unit Lights 22 Overrun Error Situation The CPU unit buffer is full and no more data can be...

Page 48: ...added to the command being sent is erroneous ERR LED on the FP2 Computer Communication Unit Lights 41 Format Error Situation Command message that does not match the transmission format was sent Examp...

Page 49: ...mputer Communication Unit Off 53 Busy Error Situation Commands cannot be received while another command is being processed Example of error This occurs when multiple units are being used if a command...

Page 50: ...ion has not been entered Example of error This occurs if the number of data registered exceeds 16 words when an MD command is sent ERR LED on the FP2 Computer Communication Unit Off 63 PC Mode Error S...

Page 51: ...an error in the decimal or hexadecimal format specification for the data Example of error This occurs if a program address is specified that is larger than the unit side when an RP command is sent ERR...

Page 52: ...FP2 CCU Specifications 6 10 6 3 Table of MEWTOCOL COM Error Code...

Page 53: ...n of changes ARCT1F319E ACG M319E ARCT1F319E 1 ACG M319E 1 ARCT1F319E 2 ACG M319E 2 ARCT1F319E 3 MAR 2001 NOV 2006 NOV 2008 AUG 2011 First edition Second edition Third eidition Change in Corporate nam...

Page 54: ...FP2 CCU Record of changes R 2...

Page 55: ......

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