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2-8

2.3.2

Communication Specifications

General-purpose

Serial communication

Computer link

1:1 communi-

cation 

Note1)

1:N communi-

cation 

Note1)

1:1 communi-

cation 

Note1)

1:N

communi-

cation 

Note1)

(PC) PLC link

Item

AFP

2803

AFP

2804

AFP2805

AFP

2803

AFP

2804

AFP2805

AFP2803
AFP2805

Interface

RS232C

RS422

RS485

RS232C

RS422

RS485

RS232C

RS485

Communciation
method

Half duplex

transmission

Two-wire, half

duplex

transmission

Half duplex

transmission

Two-wire,

half duplex

transmission

Token bus

(Floating

master)

Synchronous
method

Start stop synchronous system

Trasmission line

Multicore shield
wire

Twisted pair
shield cable

Multicore shield
wire

Twisted pair
shield cable

Twisted pair
shield cable

Trasmission
distance

15m
(3 m for
115200
bps or
more)

Max.
400 m

Max. 1200 m

Note2) Note3)

15m
(3 m for
115200
bps or
more)

Max.
400 m

Max. 1200m

Note2) Note3)

1200m
  (RS485)
3m
  (RS232C)

Baud rate
 (to be set by
 memory switch)

300 to 230400 bps

300 to 230400
bps 

Note2) Note3)

(19200 bps
when C-NET
adapter is
connected)

300 to 230400 bps

300 to
230400 bps

Note2) Note3)

(19200 bps
when C-NET
adapter is
connected)

115200 bps

Trasmission
code

ASCII, JIS7, JIS8, Binary

ASCII, JIS7, JIS8

−

Data length: 7-bit / 8-bit

Parity:0/None/Even/Odd

Stop bit: 1-bit / 2-bit

Start code: STX/No STX

−

Communication
format
(to be set by
memory switch)

End code:CR/CR+LF/Time
setting/ETX

−

−

Number of units

−

Max. 99
units
(32 units
max. when
C-NET
adapter is
connected.)

Note2)

−

Max. 99 units
(32 units max.
when C-NET
adapter is
connected.)

Note2)

Max. 16 units

Note4)

PLC link capacity

−

−

−

−

Link relay:
1024 points
Link register:
128 words

Note1)Although it has adequate noise resistance ,It is recommendable to make the user program to
execute re-transmission (in order to improve reliability of the communication in case of communication
errors occurred by excessive noises or when a recriver equipment cannot receive temporarily.)
Nore2)When connecting a commercially available device that has an RS485 interface, please confirm

Содержание FP2

Страница 1: ...nication Unit Technical Manual This manual was created using Adobe Acrobat Adobe the Adobe logo and Acrobat are trademarks of Adobe Systems Incorporated FP2 Multi Communication Unit Techinical Manual...

Страница 2: ......

Страница 3: ...on Blocks 2 4 2 2 2 Names and Major Applications of Port 2 6 2 3 Table of Specifications 2 7 2 3 1 General Specifications 2 7 2 3 2 Communication Specifications 2 8 2 4 Confirming the I O Contacts and...

Страница 4: ...of PC PLC link 5 3 5 2 Setting the Operation Mode and Baud Rate 5 4 5 2 1 Setting using Mode Speed Setting Switch 5 4 5 2 2 Setting of Unti Numbers 5 4 5 2 3 Link Relay and Link Register Allocations 5...

Страница 5: ...nk 7 1 7 1 Overview of Funcation 7 2 7 1 1 What is Computer Link 7 2 7 1 2 Unit Operation 7 3 7 2 Setting the Operation Mode and Baud Rate 7 5 7 2 1 Setting using Mode Speed Setting Switch 7 5 7 2 2 S...

Страница 6: ...and Monitoring 9 5 9 1 4 I O Allocation General purpose Serial Communication 9 7 9 2 Appendix 9 9 9 2 1 Detailed Time Chart of Data Transmission and Reception 9 9 9 2 2 Time Chart of Multiplex Recept...

Страница 7: ...cation block must be installed for using FP2 Multi Communication Unit Difference from the conventional models FP2 SDU FP2 SDU and FP2 Multi Communication Unit is not interchangeable as all uses such a...

Страница 8: ......

Страница 9: ...Chapter 1 Functions and Restrictions of the Unit...

Страница 10: ...corresponds to multiple communication modes and standards and has features as below Adopted the removable serial communication block Three kinds of communication standard RS232C RS422 and RS485 are se...

Страница 11: ...pen error occurs and communication is not available Stable communication by double insulation As the areas between the internal circuits and between channels are electrically insulated it is irrefrang...

Страница 12: ...ed as MCU in this manual 1 2 2 Communication Blocks Name Specifications Part No Product No FP2 communication block RS232C RS232C FP2 CB232 AFP2803 FP2 communication block RS422 RS422 FP2 CB422 AFP2804...

Страница 13: ...two units within five units in combination with W link CCU and MCU 2 When using both FP2 FP2SH Up to two units including W link mode set to PC PLC link mode can be used 1 General purpose serial commun...

Страница 14: ...1 6...

Страница 15: ...Chapter 2 Specifications and Functions...

Страница 16: ...unication error occurs Lights if setting error occurs The numbers at the top 1 and 2 mean COM port No S ERR Red Setting error Goes out in normal status Lights if unit error occurs Lights if watch dog...

Страница 17: ...serial communication OFF ON OFF ON Operation mode Computer link ON ON ON ON 115200 bps OFF OFF OFF OFF 19200 bps ON OFF ON OFF 9600 bps OFF ON OFF ON Baud rate Memory switch ON ON ON ON Note If select...

Страница 18: ...Able data cannot be sent without the pin CS Clear to Send When using with a three wire port short circuit the pin RS and CS or disable them Note3 The ER signal is shorted in the RS signal and the com...

Страница 19: ...rt It supports 1 N computer link general purpose serial communication and the PC PLC link Pin No Name Abbr Signal direction 1 Terminal station setting E 2 Transmission line 3 Transmission line 4 Trans...

Страница 20: ...804 RS485 AFP2805 COM 1 Computer link 1 1 General purpose serial communication 1 1 Note2 Computer link 1 1 General purpose serial communication 1 1 Note2 Computer link 1 N General purpose serial commu...

Страница 21: ...t 25 C non condensing Vibration resistance 10 to 55 Hz 1 cycle min double amplitude of 0 75 mm 10 min on X Y Z axes Shock resistance Shock of 98 m s2 or more 4 times on X Y Z axes Noise immunity 1000...

Страница 22: ...ate to be set by memory switch 300 to 230400 bps 300 to 230400 bps Note2 Note3 19200 bps when C NET adapter is connected 300 to 230400 bps 300 to 230400 bps Note2 Note3 19200 bps when C NET adapter is...

Страница 23: ...units should be within the values noted in the graph below When using a baud rate of 2400 bps to 38400 bps you can set up to a maximum of 99 units stations and maximum transmission distance of 1200 m...

Страница 24: ...itted data from MCU and the transmitted line of the other devices clash The above figure shows an example that the transmission a and b clash In this case it is necessary to adjust the time until star...

Страница 25: ...PU unit They are mainly used in the general purpose serial communication These contacts play various roles such as alerting the CPU unit when sending and reception have been completed alerting when an...

Страница 26: ...umber is allocated as I O areas for the MCU Example The following is an example of MCU being mounted in sueccession following three 16 point I O units Note Regardless of the mode settings for the COM...

Страница 27: ...s a 2 module type the slot number of the units incorporated in the CPU unit should be counted as 0 If the CPU unit being used is a CPU unit with S LINK the slot number of the unit incorporated in the...

Страница 28: ...nication Unit but if a Multi wire Link Unit when setting MEWNET W mode or MEWNET W2 mode an ET LAN unit or a computer communication unit is being used at the same time these numbers are sometimes spec...

Страница 29: ...Chapter 3 Installation and Wiring of Communication Blocks...

Страница 30: ...ion of Communication Blocks 1 Insert a communication block to the COM port of the main unit 2 Push the communication block into the main unit until it stops and tighten monting screws Tightening torqu...

Страница 31: ...duct No D sub connector J S T Mfg Co Ltd Equivalent to JEZ 9P Cover set J S T Mfg Co Ltd Equivalent to J C9 2C Note1 When using any cover set other than the attached one the cover set should be the on...

Страница 32: ...e twisted wire Number of wires Size Cross sectional area 1 AWG 28 to 16 0 08mm2 to 1 25 mm2 Use the above wires shielded It is recommended to ground the shielded part Pole terminals with compatible in...

Страница 33: ...ntil it stops Tighten screw clockwise to fix wire in place Tightening torque 0 22 Nm to 0 25 Nm 2 3 kgfcm to 2 5 kgfcm Notes for wiring When removing the wire s insulation be careful not to scratch th...

Страница 34: ...cables twisted cables Conductor Insulator Type Cross sectional view Size Resist ance at 20 C Material Thick ness Cable diam Sample appropriate cable 1 25 mm2 AWG16 or greater Max 16 8 km Polye thylen...

Страница 35: ...Chapter 4 Communication Function...

Страница 36: ...4 2...

Страница 37: ...ted to the network The status of the link relays and link registers in any one PLC is fed back to all of the other PLCs connected to the network so control of data that needs to be consistent througho...

Страница 38: ...ter link is used for communication with a computer connected to the PLC Instructions command messages are transmitted to the PLC and the PLC responds sends response messages based on the instructions...

Страница 39: ...are 2 commands for modem initialization as below Firstly command 1 is sent to the modem and then command 2 Command Description Status of modem initialization 1 ATcR Initialization command H0 Not proc...

Страница 40: ...setting switch Baud rate 300 to 230400 bps Only available when selecting memory switch 9600 Memory switch Character bit 7 bits 8 bits 8 Memory switch Parity Odd Even Parity0 None Parity Odd Memory swi...

Страница 41: ...em initialization command issue Note4 Use a USB port at computer side when it is set to 230400 bps If a RS232C port is used communication is not possible due to a device open error Note5 The default s...

Страница 42: ...Note1 Sets by the MCU setting and F159 MTRN instruction and sets more than 15 unit numbers The initial value of the memory switch is 1 For PC PLC link it is 0 Note2 Only COM 1 port can be set COM 2 p...

Страница 43: ...version is necessary The MCU setting is not possible online Go offline and download after specifying the MCU setting Note When using FP2 CPU unit the system register No 2 Configuration capacity settin...

Страница 44: ...4 10 4 4 4 Flow Chart...

Страница 45: ...Point When setting the communication parameter in the MCU the communciation channel will be reset It takes about 1 second to complete the COM port setting However this operation is not applied in cas...

Страница 46: ...4 12...

Страница 47: ...Chapter 5 Communication Function PC PLC Link...

Страница 48: ...omatically fed back to the other PLCs on the same network PC PLC link is not the default setting Therefore the mode setting switch must be set to PLC Link in order to use this function PC PLC link is...

Страница 49: ...a link relay contact in one PLC turns on the same link relay in all other PLCs on the same network Likewise if the contents of a link register in one PLC are changed the values of the same link regist...

Страница 50: ...2 2 Setting of Unti Numbers For the PC PLC link which connects multiple PLCs to the transmission line the unit number must be specified so that each PLC can be identified The unit number is specified...

Страница 51: ...a maximum of 2 unit number can be set Table of switch settings and related unit numbers Unit No setting switch Unit No Unit No setting switch Unit No 0 Memory switch Note 8 8 1 1 9 9 2 2 A 10 3 3 B 1...

Страница 52: ...to 64 words 51 Specification of range of link registers used for communciation 0 0 to 128 words 52 Starting number for link relay transmission No of first word 64 64 to 127 53 Link relay transmission...

Страница 53: ...lay transmission size 20 20 24 0 Note No 40 range of link relays used must be set to the same range for all the units Link register allocation System registers Setting for various units No Name No 1 N...

Страница 54: ...egister transmission 0 168 208 0 55 Link register transmission size 40 40 48 0 Note No 41 range of link registers used must be set to the same range for all the units When link areas are allocated as...

Страница 55: ...Name No No 40 Range of link relays used for PLC link 50 No 42 Start address of link relay send area 20 No 43 Size of link relay send area 20 With the above settings the 14 words 224 points consisting...

Страница 56: ...e example shown below there is an area between No 2 and No 3 which is overlapped and this will cause an error so that communication cannot be carried out Example of link relay allocations System regis...

Страница 57: ...no 57 for PC PLC link 1 For all PLCs which are linked the same value should be set for the largest unit number If there are fewer than 16 units linked and the largest unit number has not been set defa...

Страница 58: ...e data Operation mode relays For PC PLC link 0 R9070 to R907F correspond to unit no 1 to 16 For PC PLC link 1 R9080 to R908F correspond to unit no 1 to 16 The operation modes RUN PROG can be checked f...

Страница 59: ...modem No Unit no and communication mode settings Setting for FP of unit no 1 Name Set value COM port 1 unit no 1 setting using the unit no setting switch COM port 1 communication mode PC PLC link syst...

Страница 60: ...24 Link register allocation System registers Set value of various control units No Name No 1 No 2 No 3 No 41 Range of link registers used 128 128 128 No 44 Starting no of link register send area 0 40...

Страница 61: ...nit no 1 When X1 is input L0 of the link relay goes on and when X2 is input L1 of the link relay goes on Control unit no 2 When L0 of the link relay goes on Y0 is output Control unit no 3 When L1 of t...

Страница 62: ...Ttx sending time per byte Ttx 1 baud rate x 1000 x 11 ms Approx 0 096 ms at 115 2 kbps Twt Initial value 400 ms can be changed using SYS1 system register instruction Tls 7 x Ttx sending time per byte...

Страница 63: ...the largest station number is 2 relays and registers have been evenly allocated and the scan time for each PLC is 5 ms Ttx 0 096 Each Pcm 23 32 64 x 4 407 bytes Tpc Ttx x Pcm 0 096 x 407 39 072 ms Ea...

Страница 64: ...1 DT90163 and DT90165 error content PC link area overlaps ERR LED lights Check if there are overlapping send areas of each unit Is the setting of the send receive areas of PC link correct Isn t it set...

Страница 65: ...Chapter 6 Communication Function General purpose Serial communication...

Страница 66: ...ng the general purpose serial communication function the data transmission and data reception functions described below are used The F159 MTRN instruction and the F161 MRCV instruction are used in the...

Страница 67: ...in the CPU using F161 MRCV instruction Data can be always received in MCU When detecting the completion of data reception the reception done flag X0 X2 of MCU turns on When the data reception complete...

Страница 68: ...setting switch The allowable baud rates specified with the switch are 9600 bps 19200 bps and 115200 bps The settings for each baud rate are as below COM 1 COM 2 Baud rate 3 4 7 8 115200 bps OFF OFF OF...

Страница 69: ...M 2 Baud rate 3 4 7 8 Memory switch ON ON ON ON Setting using F159 MTRN instruction Baud rate and communication format can be specified with this instruction Reference 8 2 Setting Communicaiton Condit...

Страница 70: ...not possible from MCU 1 The RTS signal from MCU is controllable by Y18 and Y19 Effective only when setting the RS CS to be valid and using the communication block AFP2803 RS232C type XA XC Latest rec...

Страница 71: ...t is confirmed by XE XF return to 0 The reset is performed only once when this signal rises Details on the channel reset operation The following operations are performed 1 Discontinues transmission 2...

Страница 72: ...um of 2048 bytes can be sent When the program below is run the eight bytes of data contained in DT101 to DT104 and stored in the send buffer starting from DT100 are sent from COM port 1 MCU starts the...

Страница 73: ...n within 10 s right after the F159 MTRN instruction is executed when PC PLC link is performed within approx 500 s at maximum Sample program for sending data The following program transmits the charact...

Страница 74: ...sion the transmission done flag X4 X5 turns off The flag does not turn off right afther the execution of the instruction It turns on when starting 2 scans If the header is set to STX Exist the header...

Страница 75: ...to Send turns on If you are not going to connect to the other device set the RS CS to be invalid The maximum number of transmission bytes n is 2048 However the header and terminator are included When...

Страница 76: ...ceived data is sent from the receive buffer to the area starting with data register DT200 Explanation of data table Data sent from an external device connected to the COM port is received in MCU and t...

Страница 77: ...nstruction therefore the received data cannot be copied by rising the reception done signal For repeated reception of data perform the following steps 1 to 3 1 Receive data 2 Reception done X0 X2 on 3...

Страница 78: ...in the receive buffer Sending data Data written to the send buffer will be sent just as it is Example The data 12345 is transmitted as an ASCII code to a device with RS232C port 1 Data sent using the...

Страница 79: ...link Duplex transmission is disabled for the same COM port after F159 MTRN is being executed until transmission is completed The transmission done flag X4 X5 must be observed The transmission done fl...

Страница 80: ...e are two headers data following the second header overwrites the data in the receive buffer The reception done flag X4 X5 is turned off when no data is received after executing F159 MTRN instruction...

Страница 81: ...s transmitted to an external device When the F159 MTRN instruction is executed the transmission done flag X4 X5 goes off F159 MTRN instruction is used to copy the transmitted data to MCU and request t...

Страница 82: ...eneral purpose serial communication Baud rate 300 to 230400 bps Character bit 7 bits 8 bits Parity Odd Even Parity0 None Stop bit length 1 bit 2 bits RS CS only with RS232C Invalid Valid Send waiting...

Страница 83: ...ain menu and the set the following items No Name Set Value No 51 Communication mode Normal mode No 52 Serial settings Baud rate Bit length Stop bit Parity Flow control 9600 bps 8 bits 1 bit Odd None N...

Страница 84: ...A200 A100 Using AFP2803 RS232C is connected Connection example with other RS422 device Using AFP2804 Reference For the details on the connection with RS485 devices refer to 6 8 Connection with 1 N Com...

Страница 85: ...6 21 Procedure of communication In the following example the Micro Imagechecker is connected to COM 1 port of the MCU in slot 0...

Страница 86: ...2 Sample program In the following example the Micro Imagechecker is connected to COM port 1 Buffer statuses The following shows the statuses of the send and receive buffers when the sample program is...

Страница 87: ...ion to data area read and write commands MEWTOCOL COM also provides contact area read and write as well as many other commands System register settings of FP series PLCs FP1 FP1 side In the default se...

Страница 88: ...with FP1 COM port Procedure of communication In this example an FP series PLC is connected to the COM 1 port of MCU in the slot 3 K100 and K200 are respectively being stored in DT0 and DT1 of the PLC...

Страница 89: ...he following example the FP series PLC is connected to COM port 1 in the slot 3 The contact of MCU is WX3 XY4 Buffer statuses The tables below show the statuses of the send and receive buffers when th...

Страница 90: ...ta registers as shown below Extracting the data register values from the PLC on the other end In the program the data segment of the response from the PLC on the other end is converted to hexadecimal...

Страница 91: ...6 27 The values of DT50 and DT51 are written in DT0 and DT1 of the PLC connected to the COM 2 port in the slot 0...

Страница 92: ...eneral purpose serial communication Baud rate 2400 to 230400 bps Character bit 7 bits 8 bits Parity Odd Even 0 parity None Stop bit length 1 bit 2 bits RS CS only with RS232C Invalid Valid Send waitin...

Страница 93: ...mission In case of RS232C communication block isn t transmission forbidden by CTS signal Isn t operation error occurring when executing MTRN instruction Review the program Is the setting for the commu...

Страница 94: ...6 30...

Страница 95: ...Chapter 7 Communication Function Computer link...

Страница 96: ...to collect and write data from it without building up a large scale network No communication program is needed on the PLC The PLC automatically returns responses using the FP series MEWTOCOL COM comm...

Страница 97: ...es of commands are available including commands for reading and writing the data area and contacts etc No program is necessary on the PLC side in order to carry out communication Example When the cont...

Страница 98: ...was designed ahead of time in conformance with the MEWTOCOL COM communication protocol so there is no need to take the contents of commands into consideration MEWTOCOL COM communication protocol for...

Страница 99: ...ng switch The allowable baud rates specified with the switch are 9600 bps 19200 bps and 115200 bps The settings for each baud rate are as below COM 1 COM 2 Baud rate 3 4 7 8 115200 bps OFF OFF OFF OFF...

Страница 100: ...w to enable the memory switch setting COM 1 COM 2 Baud rate 3 4 7 8 Memory switch ON ON ON ON Setting using F159 MTRN instruction Baud rate and communication format can be specified with this instruct...

Страница 101: ...tings switch 2 F159 MTRN 3 MCU setting Unit numbers are the numbers to identify the different PLCs on the same network The same number must not be used for more than one PLC on the same network If uni...

Страница 102: ...Note1 Sets by the MCU setting and F159 MTRN instruction and sets more than 15 unit numbers The default setting of the memory switch is 1 Note2 Only COM 1 port can be speicifed COM 2 port is specified...

Страница 103: ...0032 Note A shielded cable must be used as the communication cable In a noisy environment measures against noise should be taken such as using a ferrite core Take care for the shielded part not to be...

Страница 104: ...omprising the tool port of the CPU unit and the COM 1 port of Multi Communication Unit MCU Group B Group comprising the COM port of the CPU unit and the COM 2 port of Multi Communication Unit MCU A si...

Страница 105: ...port group of Multi Communication Unit MCU A similar restriction also applies if access is being made from another station connected with the link unit Note If a monitor command is used for a port in...

Страница 106: ...L COM Error code 40 BCC error Transmission error occurred in received data 41 Format error Command that does not match the format was received 42 NOT support error An unsupported command was received...

Страница 107: ...the shielding S ERR lights Is the operation mode setting correct Isn t it used excessively ignoring the usage restrictions Read out and check the status using F161 MRCV instruction Is the setting for...

Страница 108: ...7 14...

Страница 109: ...Chapter 8 Applications...

Страница 110: ...nstruction Changing from general purpose to computer link Changing from computer link to general purpose Whenever the above instruction is carreid out the mode changes to the other Note Current mode c...

Страница 111: ...the back of the unit must be set to the memory switch setting 2 The setting for the COM port which was set to PC PLC link mode is not available 7th 8th byte 4th word Character bit K0 7 bit length K1 8...

Страница 112: ...of 9600 bps 1 9600x32 3 33 ms 2 When n n 0 is set Received data Received data 1 byte 1 byte If next data is not received within the time for nx10 s the reception will be deemed to have been completed...

Страница 113: ...fied for the COM 1 port in the slot 0 Key Point Specify 22 bytes for the number of bytes of setting data when specifing the communication conditions All communicaiton conditions for registers should b...

Страница 114: ...words of the received communication condition data is stored DT101 K3 Unit No 3 DT102 K7 Baud rate 38400 bps DT103 K1 Character bit 8 bits DT104 K2 Parity Odd DT105 K0 Stop bit length 1 bit DT106 K1 R...

Страница 115: ...parity of the received data differs from the setting Higher byte Bit 8 Receive buffer overflow Becomes 1 when the received message length exceeds 2048 bytes 4th word Reception error code Note1 Bit 9 R...

Страница 116: ...the modem initialization process H0 Not processed H100 During initialization Mode LED flashes H200 Initialization succeeded Modem initialization succeeded The operation mode automatically returns to t...

Страница 117: ...ote4 It is K0 when no parameter error occurs Note5 Reference 1 3 Restriction on Units Combination Note6 Reference 8 2 Setting Communication Conditions and Monitoring Example of monitor program When mo...

Страница 118: ...8 10...

Страница 119: ...Chapter 9 Specifications...

Страница 120: ...25 C non condensing Vibration resistance 10 Hz to 55 Hz 1 cycle min double amplitude of 0 75 mm 10 min on X Y Z axes Shock resistance Shock of 98 m s2 or more 4 times on X Y Z axes Noise immunity 100...

Страница 121: ...air shield cable Trasmission distance 15m 3 m for 115200 bps or more Max 400 m Max 1200 m Note2 Note3 15m 3 m for 115200 bps or more Max 400 m Max 1200m Note2 Note3 1200m RS485 3m RS232C Baud rate to...

Страница 122: ...ctual device In some cases the number of units transmission distance and baud rate vary depending on the connected device Note3 The values for the transmission distance baud rate and number of units s...

Страница 123: ...ch at the back of the unit must be set to the memory switch setting 2 The setting for the COM port which was set to PC PLC link mode is not available 7th 8th byte 4th word Character bit K0 7 bit lengt...

Страница 124: ...of 9600 bps 1 9600x32 3 33 ms 2 When n n 0 is set Received data Received data 1 byte 1 byte If next data is not received within the time for nx10 s the reception will be deemed to have been completed...

Страница 125: ...CU 0 Transmission is not possible from MCU 1 The RTS signal from MCU is controllable by Y18 and Y19 Effective only when setting the RS CS to be valid and using the communication block AFP2803 RS232C t...

Страница 126: ...t is confirmed by XE XF return to 0 The reset is performed only once when this signal rises Details on the channel reset operation The following operations are performed 1 Discontinues transmission 2...

Страница 127: ...g X1 X3 turns off by the I O refresh operation Precautions The MCU reception done flag above mentioned turns off within a maximu of 100 s after the MRCV instruction is executed so that it may not turn...

Страница 128: ...one flag remains to be on as the data that has been completed to be received is left in MCU As the MCU reception done flag is taken in by the I O refresh operation of the CPU X0 X2 remains to be on Al...

Страница 129: ...tion done flag X0 X2 has been left to be on even in the next scan For only one received data it is recommended to execute the MRCV instruction as soon as the reception done flag X0 X2 turned on Howeve...

Страница 130: ...6 MCU receives the data 7 An error occurs while MCU is receiving the data 8 CPU receives the first buffer As no error is detected during the reception of the first buffer the reception error flag rem...

Страница 131: ...lag remains OFF CPU receives the eighth buffer As an error was detected during the reception of the eighth buffer the reception error flag turns on On state is effective until the next scan As there i...

Страница 132: ...itive value the terminal code is added in transmission When it is negative value the terminal code is not added in trasmission In case of H8000 the application of the MCU port specified in transmissio...

Страница 133: ...cify to K1 H1 for the COM port of the CPU 2 When specifying D with the K constant ex if the slot number is set to 3 and the COM2 2 is selected for the communication port of the MCU set as follows H03C...

Страница 134: ...0 Reception done judgment time K 0 immediate effective time Kn 0 01 ms 0 to 100 ms 11 Modem initialization K0 Not initialized when the power turns on K1 Initialized when the power turns on Note The ex...

Страница 135: ...ecified by S exceeds the area It turns on when the transmitted byte number specified by n is outside of the specified area It turns on when the transmitted byte number specified by n exceeds the area...

Страница 136: ...and WX WY WR WL SV EV DT LD FL I 1 K H Index modifier S A A A A A A A A A A A A A D1 N A A A A A A A A A A N A N A A D2 N A A A A A A A A A A N A N A A 1 I0 to ID Explanation of example When the recep...

Страница 137: ...ddress specified by D2 the operation error is detected At that time the data which has been received up to the area of D2 is stored D1 D1 1 D1 2 D1 3 D1 4 Data table received buffer D2 3 D2 2 D2 1 D2...

Страница 138: ...s 0to 100 ms 8 Starting code STX setting value K0 disable K1 able 9 Terminator setting value K0 cR K1 cR Lf K2 time 24 bits K3 EXT 10 Reception done judgment time K 0 immediate effective time Kn 0 01...

Страница 139: ...Chapter 10 Dimensions and Sample Programs...

Страница 140: ...10 2 10 1 Dimensions 10 1 1 FP2 Multi Communication Unit When one AFP2803 or AFP2804 is installed When one AFP2805 is installed Installation space in the panel...

Страница 141: ...10 3 10 1 2 Communication Blocks FP2 CB232 AFP2803 FP2 CB422 AFP2804 FP2 CB485 AFP2805...

Страница 142: ...10 4...

Страница 143: ...Record of changes Manual No Date Desceiption of changes ARCT1F396E ARCT1F396E 1 2004 SEP 2004 SEP First edition Second edition...

Страница 144: ...Head Office 1048 Kadoma Kadoma shi Osaka 571 8686 Japan K Telephone 81 6 6908 1050 K Facsimile 81 6 6908 5781 http www nais e com All Rights Reserved 2004 COPYRIGHT Matsushita Electric Works Ltd Mats...

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