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7188XA/B/C & 7521/2/2A/3/4/7 Series Hardware User’ s Manual, Ver. 2.0 Sep/2002, 7Mh-001-20 -----

1.5.2 Using a 3-wire RS-232 port

There are 3 wires as following:

•

Connect RXD to TXD of RS-232 device

•

Connect TXD to RXD of RS-232 device

•

Connect GND to GND of RS-232 device

GND

7188XA/7188XAD
7188XB/7188XBD
7188XC/7188XCD
7521/7521D
7522/7522D
7523/7523D

TXD

RXD

DCD

RXD

TXD

CTS

RTS

DSR

GND

DTR

RS-232 Device

ГК

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+7(495)109-02-08 [email protected] www.bbrc.ru

Содержание 7188XA

Страница 1: ...of one year from the date of delivery to the original purchaser Warning ICP DAS assume no liability for damages consequent to the use of this product ICP DAS reserves the right to change this manual...

Страница 2: ...THE DOWNLOAD_PORT AS COM PORT 66 2 5 COM PORTS COMPARISON 67 2 6 THE RS 485 PORT SELF TUNER ASIC 69 2 7 USING THE RED LED 7 SEG LED DISPLAY 70 2 8 USING THE RTC NVSRAM 70 2 9 USING EEPROM 71 2 10 USI...

Страница 3: ...MiniOS7 7188XC D Expandable Embedded controller MiniOS7 7521 D Intelligent Communication Controller 1 channel of RS 232 MiniOS7 7522 D Intelligent Communication Controller 2 channels of RS 232 MiniOS7...

Страница 4: ...ations of special hardware software applications Therefore we developed an I O expansion bus for the 7188X 7521 family to solve all the above applications above The I O expansion bus can be used to im...

Страница 5: ...rdware software l Time to market ODM solution for user s special requirements any high speed complex or combined functions of D I O A D D A etc l Durable stable flexible time to market cost effective...

Страница 6: ...A0910F for 7188XC 7521 7522 7523 Note If any of these items are missing or damaged contact the local distributors for more information Save the shipping materials and cartons in case you want to ship...

Страница 7: ...board 7188XC D 7521 D 7522 D 7523 D l User defined D I O 7188XA D 7188XB D 7188XC D 7521 D l Built in 5 digit LED display interface l COM driver support interrupt 1K QUEUE input buffer l Built in I O...

Страница 8: ...ssing directs input and output and performs many other related functions The MiniOS7 provides the equivalent functions of ROMDOS while in addition providing user specific functions for the 7188X 7521...

Страница 9: ...nd receive direction of the RS 485 network Consequently the application program does not have to worry about the send receive directional control of the RS 485 network 1 1 5 What is the I O Expansion...

Страница 10: ...ustry D I O can be used to control the local devices for emergency conditions So the 7521 7522 7523 can solve nearly every Addressable RS 232 Converter application 1 1 8 7188XA 7188XB 7188XC Addressab...

Страница 11: ...loading any firmware After downloading the firmware the 7521 7522 7523 acts as an Addressable RS 232 Converter The only difference between the 7521 the 7188XC is the 3000V isolation on the RS 485 port...

Страница 12: ...Manual Ver 2 0 Sep 2002 7Mh 001 20 12 1 2 Pin Assignment i 7188XA Embedded Controller CPU 80188 40 COM1 RS 232 RS 485 COM2 RS 485 3000V Isolation COM3 4 RS 232 DI 3 5V 30V DO 100mA 30V max COM4 COM3 C...

Страница 13: ...he same GND pin pin 7 Pin assignment of COM1 connector DB 9 Male Pin Name Description 1 DCD Data Carrier Detect RS 232 RXD Receives Data JP1 select RS 232 2 D1 DATA of RS 485 JP1 select RS 485 TXD Tra...

Страница 14: ...Hardware User s Manual Ver 2 0 Sep 2002 7Mh 001 20 14 i 7188XB Embedded Controller CPU 80188 40 COM1 RS 232 RS 485 COM2 RS 485 15 28 User Define I O Pin DI 3 5V 30V DO 100mA 30V max COM1 COM2 7 495 10...

Страница 15: ...485 13 VS V of power supply 10 to 30VDC unregulated 14 GND GND of power supply Note The COM1 can be used as a RS 232 port or a RS 485 port It is not recommended to use both RS 232 RS 485 at the same t...

Страница 16: ...7188XA B C 7521 2 2A 3 4 7 Series Hardware User s Manual Ver 2 0 Sep 2002 7Mh 001 20 16 7 495 109 02 08 sales bbrc ru www bbrc ru...

Страница 17: ...T Initial pin or digital input 3 5V 30V 10 D2 DATA pin of COM2 RS 485 11 D2 DATA pin of COM2 RS 485 12 VS V of power supply 10 to 30VDC unregulated 13 GND GND of power supply Pin assignment of COM1 co...

Страница 18: ...7188XA B C 7521 2 2A 3 4 7 Series Hardware User s Manual Ver 2 0 Sep 2002 7Mh 001 20 18 7 495 109 02 08 sales bbrc ru www bbrc ru...

Страница 19: ...Initial pin or digital input 3 5V 30V 10 D2 DATA pin of COM2 RS 485 11 D2 DATA pin of COM2 RS 485 12 VS V of power supply 10 to 30VDC unregulated 13 GND GND of power supply Pin assignment of COM1 conn...

Страница 20: ...7188XA B C 7521 2 2A 3 4 7 Series Hardware User s Manual Ver 2 0 Sep 2002 7Mh 001 20 20 7 495 109 02 08 sales bbrc ru www bbrc ru...

Страница 21: ...NIT Initial pin or digital input 3 5V 30V 10 D2 DATA pin of COM2 RS 485 11 D2 DATA pin of COM2 RS 485 12 VS V of power supply 10 to 30VDC unregulated 13 GND GND of power supply Pin assignment of COM1...

Страница 22: ...7188XA B C 7521 2 2A 3 4 7 Series Hardware User s Manual Ver 2 0 Sep 2002 7Mh 001 20 22 7 495 109 02 08 sales bbrc ru www bbrc ru...

Страница 23: ...of power supply Note The COM1 can be used as a RS 232 port or a RS 485 port It is not recommended to use both RS 232 RS 485 at the same time Pin assignment of top 14 pin screw terminal block 15 TXD3 T...

Страница 24: ...7188XA B C 7521 2 2A 3 4 7 Series Hardware User s Manual Ver 2 0 Sep 2002 7Mh 001 20 24 7 495 109 02 08 sales bbrc ru www bbrc ru...

Страница 25: ...DI1 INIT Initial pin or digital input 3 5V 30V 10 D2 DATA pin of COM2 RS 485 11 D2 DATA pin of COM2 RS 485 12 VS V of power supply 10 to 30VDC unregulated 13 GND GND of power supply Pin assignment of...

Страница 26: ...7188XA B C 7521 2 2A 3 4 7 Series Hardware User s Manual Ver 2 0 Sep 2002 7Mh 001 20 26 7 495 109 02 08 sales bbrc ru www bbrc ru...

Страница 27: ...V of power supply 10 to 30VDC unregulated 14 GND GND of power supply Note The COM1 can be used as a RS 232 port or a RS 485 port It is not recommended to use both RS 232 RS 485 at the same time Pin a...

Страница 28: ...7188XA B C 7521 2 2A 3 4 7 Series Hardware User s Manual Ver 2 0 Sep 2002 7Mh 001 20 28 7 495 109 02 08 sales bbrc ru www bbrc ru...

Страница 29: ...of power supply 10 to 30VDC unregulated 14 GND GND of power supply Note The COM1 can be used as a RS 232 port or a RS 485 port It is not recommended to use both RS 232 RS 485 at the same time Pin assi...

Страница 30: ...7188XA 7188XAD System l Module name embedded controller l CPU Am188 ES 40M Hz l SRAM 512K bytes l FLASH ROM 512K bytes l COM port COM1 COM2 COM3 COM4 l Built in RTC NVRAM EEPROM l Supports I O Expansi...

Страница 31: ...Communication speed 115200 max l 16 bytes FIFO COM2 l RS 485 D2 D2 self tuner ASIC inside l Communication speed 115200 max l 16 bytes FIFO l Isolation voltage 3000V COM3 l RS 232 TXD3 RXD3 GND l Commu...

Страница 32: ...O Expansion Bus l Program download port COM1 Real Time Clock l Year 2000 compliance l Seconds minutes hours date of the month l Month year valid from 1980 to 2079 l NVSRAM 31 bytes battery backup data...

Страница 33: ...unication speed 115200 max COM2 l RS 485 D2 D2 self tuner ASIC inside l Communication speed 115200 max Display l 7 segmemt LED 5 digit for 7188XBD Power l Power requirements 10 to 30VDC non regulated...

Страница 34: ...ogram download port COM1 EEPROM l 2048 bytes 8 blocks each block has 256 bytes l Data retention 100 years l 1 000 000 erase write cycles Flash Memory l 256K bytes l Erase unit is one sector 64K bytes...

Страница 35: ...for 7188XCD Power l Power requirements 10 to 30VDC non regulated l Power consumption 2 0W for 7188XC 3 0W for 7188XCD For ODM User l Flash ROM can be upgraded to 512K bytes l COM2 can be upgraded to...

Страница 36: ...Expansion Bus 7521 7521D only l Program download port COM1 EEPROM l 2048 bytes 8 blocks each block has 256 bytes l Data retention 100 years l 1 000 000 erase write cycles Flash Memory l 256K bytes l E...

Страница 37: ...x l 16 bytes FIFO D I l 3 channels for 7521 7521D 7522 7522D l 2 channels for 7523 7523D l Logic low level 0V 1V l Logic high level 3 5V 30V for 25 C to 70 C 3 5V 25V for 25 C to 75 C D O l 3 channels...

Страница 38: ...4D 7527 7527D 7522A 7188XB X507 7522AD 7188XBD X507 7524 7188XB X505 7524D 7188XBD X505 7527 7188XB X506 7527D 7188XBD X506 Refer to I O Expansion Bus in the 7188X 7188E User s Manual for more informa...

Страница 39: ...2 RS 485 selected by JP1 EEPROM 2K 5 digit LED options 10V to 30V power converter 5V 80188 40 16 bits timer RTC NVSRAM SRAM 256K Flash ROM 512K 7188XB COM2 RS 485 COM1 RS 232 RS 485 EEPROM 2K 5 digit...

Страница 40: ...LED options 10V to 30V power converter 5V 80188 20 16 bits timer SRAM 128K Flash ROM 256K 7521 COM2 RS 485 3000V isolation COM1 RS 232 RS 485 EEPROM 2K 5 digit LED options 10V to 30V power converter 5...

Страница 41: ...2K 5 digit LED options 10V to 30V power converter 5V D O 1 channel 150 mA 30V D I 3 channel 3 5V 30V 80188 20 16 bits timer SRAM 128K Flash ROM 256K 7523 COM3 RS 232 COM1 RS 232 RS 485 EEPROM 2K 5 dig...

Страница 42: ...7188XA B C 7521 2 2A 3 4 7 Series Hardware User s Manual Ver 2 0 Sep 2002 7Mh 001 20 42 7188XB D X507 7522A 7188XB D X505 7524 7188XB D X506 7527 7 495 109 02 08 sales bbrc ru www bbrc ru...

Страница 43: ...the wire 3 label GND to pin 6 of 7188XA Connect the DB 9 of download cable to PC COM 1 2 3 4 port Ext GND Ext 24V 10 9 8 7 6 11 5 4 12 13 VS D2 D2 Init DI2 TXD4 RXD4 RXD3 2 1 DCD Rxd D 4 5 6 7 8 3 9 T...

Страница 44: ...the wire 3 label GND to pin 6 of 7188XB Connect the DB 9 of download cable to PC COM 1 2 port Ext GND Ext 24V 10 9 8 7 6 11 5 4 12 13 GND VS D2 D2 CTS1 GND RTS1 INIT 15 28 7188XB 7188XBD TXD1 RXD1 7 6...

Страница 45: ...port with the download cable CA0910F Ext GND Ext 24V 10 9 8 7 6 11 5 4 12 13 GND VS D2 D2 DO3 DO1 DO2 Di1 Init 2 1 Data TXD 4 5 6 7 8 3 9 RXD Data RTS 7188XC 7188XCD DI3 DI2 CTS N C GND N C 7 6 5 4 3...

Страница 46: ...There are 3 wires as following Connect RXD to TXD of RS 232 device Connect TXD to RXD of RS 232 device Connect GND to GND of RS 232 device GND 7188XA 7188XAD 7188XB 7188XBD 7188XC 7188XCD 7521 7521D...

Страница 47: ...XD to TXD of RS 232 device Connect TXD to RXD of RS 232 device Connect RTS to CTS of RS 232 device Connect CTS to RTS of RS 232 device Connect GND to GND of RS 232 device CTS GND RTS 7188XA 7188XAD 71...

Страница 48: ...RS 232 port Note The COM1 pin assignment of the 7188XA is the same as the PC Ext GND Ext 24V 2 1 DCD Rxd D 4 5 6 7 8 3 9 Txd D RI CTS 7188XA 7188XAD RTS DSR GND DTR modem 1 2 232 5 6 COM1 RS 232 5 22...

Страница 49: ...5 port Note The RS 485 interface can directly drive 256 sets of 7000 modules without a repeater Ext GND Ext 24V 11 12 13 14 GND VS D2 D2 7188XA 7188XAD 7188XB 7188XBD 7188XC 7188XCD 7521 7521D 7522 75...

Страница 50: ...DI3 DI2 CTS N C GND N C X1 X2 X3 3 2 1 COM1 Dry contact or TTL CMOS or 3 5V to 30V D I Inductive load or Conductive load Current Limit Resistor Load current 125mA U 2003A 1 3 14 2 4 5 6 9 16 15 13 12...

Страница 51: ...14 GND VS D2 D2 CTS1 GND RTS1 INIT t 16 15 TXD3 TXD3 18 19 20 21 22 17 23 RXD3 GND DI3 7522A TXD1 RXD1 DI2 DI1 DI0 RXD3 D1 DI DI 4 3 2 X507 24 PWR 25 DO0 26 DO1 27 DO2 28 DO3 DO 1 5 V U A 7 4 H C T 0...

Страница 52: ...er 2 0 Sep 2002 7Mh 001 20 52 Using a RS 485 of 7522A D Note The RS 485 interface can directly drive 256 sets of 7000 modules without a repeater 16 15 TXD3 TXD3 7522A Ext GND Ext 24V 7 8 9 10 GND VS D...

Страница 53: ...bus Yes No Support AsicKey Yes No 7521 series 4521 Module Name Intelligent Communication Controller Addressable RS 232 Converter CPU AMD 80188 20M Hz MC68HC705 3 68M Hz 8 bit uP Number of RS 232 devi...

Страница 54: ...elf tuner inside RS 485 with self tuner inside RS 485 with self tuner inside 3000V isolation COM3 RS 232 txd rxd No Com3 No Com3 RS 232 txd rxd COM4 RS 232 txd rxd No Com4 No Com4 RS 232 txd rxd User...

Страница 55: ...side 3000V isolation RS 485 with self tuner inside 3000V isolation RS 485 wtih self tuner inside 3000V isolation COM3 No Com3 RS 232 txd rxd rts cts RS 232 txd rxd rts cts COM4 No Com4 No Com4 RS 232...

Страница 56: ...h self tuner inside non isolated RS 485 with self tuner inside non isolated RS 485 with self tuner inside non isolated RTC Yes Yes No 64bits hardware unique serial number Yes Yes No EEPROM 2K bytes 2K...

Страница 57: ...dded Communication Controller 1 2 3 channels 7188EA Embedded Internet Ethernet Controller DI 6 channels DO 7 channels 7188EX Embedded Internet Ethernet Controller with I O Expansion Bus 7188E1 Interne...

Страница 58: ...reconfigured remove R21 l If DI3 is reconfigured remove R22 l If DI2 is reconfigured remove R23 Then the onboard D I O functions can be disabled Step 2 Install a 5 pin male reconfiguration jumper into...

Страница 59: ...original 3_DO_2_DI functions or new 5_DI functions by setting the jumper in different positions Refer to I O Expansion Bus in the 7188X 7188E User s Manual for more information The 7188XB D has 14 us...

Страница 60: ...0000 0000 to 1000 FFFF COM1 BASE 0XFF80 to 0XFF88 COM2 BASE 0XFF10 to 0XFF18 Interrupt No Interrupt mapping 0 Divided by zero 1 Trace 2 NMI 3 Break point 4 Detected overflow exception 5 Array bounds...

Страница 61: ...XFF10 to 0XFF18 COM3 BASE I O expansion bus programmable 7522 7523 COM4 BASE I O expansion bus programmable 7523 only Interrupt No Interrupt mapping 0 Divided by zero 1 Trace 2 NMI 3 Break point 4 Det...

Страница 62: ...ASE 0x108 COM3 0XFF80 to 0XFF88 COM4 0XFF10 to 0XFF18 Interrupt No Interrupt mapping 0 Divided by zero 1 Trace 2 NMI 3 Break point 4 Detected overflow exception 5 Array bounds exception 6 Unused opcod...

Страница 63: ...0000 0000 to 3000 FFFF COM1 BASE 0XFF80 to 0XFF88 COM2 BASE 0XFF10 to 0XFF18 Interrupt No Interrupt mapping 0 Divided by zero 1 Trace 2 NMI 3 Break point 4 Detected overflow exception 5 Array bounds e...

Страница 64: ...X505 X506 X507 DI N A N A 0 DO N A N A 0 BASE 0X10 0X10 0X10 COM3 INT INT0 INT0 INT0 BASE 0X18 0X18 N A COM4 INT INT1 INT0 N A BASE 0X20 0X20 N A COM5 INT INT4 INT1 N A BASE N A 0X28 N A COM6 INT N A...

Страница 65: ...X EXE Power up 7188X 7521 All power up message will be shown on the monitor of the PC After the power up stage the 7188X 7521 will use the download_port as its standard input output So the standard ou...

Страница 66: ...21 Key in the filename press Enter This will start to execute this file Pressing Alt X at the same time will quit the 7188X EXE 2 4 Using the download_port as a COM port The user can use the download_...

Страница 67: ...OM3 80188 s on chip UART 0 3 wire RS 232 COM4 80188 s on chip UART 1 3 wire RS 232 The programming of the 16C550 is very different from the 80188 s UART The interrupt handling of the 80188 is also ver...

Страница 68: ...2 2 wire RS 485 COM2 80188 s on chip UART 1 2 wire RS 485 The COM ports of the 7522 series are given as follows COM port Hardware COM1 80188 s on chip UART 0 5 wire RS 232 2 wire RS 485 COM2 80188 s o...

Страница 69: ...ect control the send receive direction of the RS 485 network In this main the application program does not have to worm about the send receive direction control of the RS 485 network For example the s...

Страница 70: ...d to replace the monitor touch screen for many applications 2 8 Using RTC NVSRAM The RTC NVSRAM are located on the same chip There is a Li battery to backup the RTC NVSRAM for 10 years The features of...

Страница 71: ...lications 2 10 Using the Watchdog Timer The watchdog timer of the 7188X 7521 series is fixed at 1 6 sec When the 7188X 7521 is powered up the watchdog timer will be always enabled If the 7188X 7521 do...

Страница 72: ...I O expansion bus for the 7188X 7521 family to solve all the above applications The I O expansion bus can be used to implement various I O functions such as D I D O A D D A Timer Counter UART flash me...

Страница 73: ...equired Step 2 for all functions goto step 3 If all functions are solved STOP Step 3 if this function can be solved by 7000 module goto step 2 Step 4 if this function can be solved by 7188X X goto ste...

Страница 74: ...signals VCC GND RESET RESET 2 Parallel Bus System clock CLOCKA Asynchronous ready control ARDY Address bus A0 A6 A7 7188XC 7521 series without A7 Data bus D0 D7 Interrupt control INT0 INT1 INT4 7188XC...

Страница 75: ...of CPU can be used as programmable D I O 14 TI_1 Timer input 1 of CPU can be used as programmable D I O 15 SCLK Common serial clock output of 7188 series 16 DIO9 Programmable D I O bit 17 DIO4 Program...

Страница 76: ...his pin is reserved must be N C for 7188XC 7521 series 18 WR Write strobe output synchronous active low 19 CS Chip select output synchronous active low 20 RD Read strobe output synchronous active low...

Страница 77: ...agram Address Phase Data Phase t1 t2 t3 t4 CLKOUTA ARDY Normally Not Ready System ARDY Normally Ready System Case 2 Case 4 Case 1 Case 3 t4 tw t3 t2 t4 tw tw tw t4 tw tw t3 Address Data Data Address P...

Страница 78: ...O TTL 64mA XC X102 2 channels of relay output XC X103 7 channels of isolated D I 3 5V 30V XC X104 8 channels of D I O single channel programmable XC X105 8 channels of D I O 8 channel programmable XC...

Страница 79: ...el of 4 wire RS 232 RTS CTS TXD RXD 1 channel of 2 wire RS 232 TXD RXD 115 2K max XC X503 1 channel of 4 wire RS 232 RTS CTS TXD RXD 115 2K max XB EX X504 1 channel of 4 wire RS 232 RTS CTS TXD RXD 1...

Страница 80: ...EX X600 4M bytes NAND Flash XA XB XC EX X601 8M bytes NAND Flash XA XB XC EX X602 16M bytes NAND Flash XA XB XC EX X603 32M bytes NAND Flash XA XB XC EX X607 128K battery backup SRAM XA XB XC EX X608...

Страница 81: ...1 series can be use as embedded controller for general applications Therefore it can be used to replace PC PLC or special controllers Programming Tool TC MSC BC Debug Tool Via standard input output ke...

Страница 82: ...nect RS 232 devices to COM1 3 4 of 7523 7523D l Connect COM2 of 7523 7523D to RS 485 network l 7523 7523D communicates to its local RS 232 devices stores data Host PC communicates to every 7523 7523D...

Страница 83: ...generates some output data 3 PC send out commands to 7000 modules for output data If there are hundreds of 7000 modules the PC will take a long time to analyze control these modules The control progra...

Страница 84: ...rol arguments The PC can access the remote 7188X for the following items l Query record the remote system status l Download the control arguments to remote 7188X The remote 7188X can communicate to th...

Страница 85: ...The 7188X 7521 sends commands to the 7000 input modules 2 The 7188X 7521 writes this data to the PLC s internal memory 3 The PLC accesses this data from the internal memory The PLC can control the 70...

Страница 86: ...B Device C Device D Configuration 3 Point to multi point application SST 900 SST 2400 setting Device B C D l RS 485 or RS 232 l Half duplex mode l Synchronous way l Slave state l Baud rate 9600 l Chan...

Страница 87: ...t output modules COM3 MMICON is used as the local MMI COM4 PC is used to monitor record the system data Note the 7188XA 7523 has 4 COM port The 7188XB must add a X503 for 4 COM port applications PC PL...

Страница 88: ...irectly controls the 7000 input output modules COM3 TOUCH 200 is used as the local MMI COM4 Card reader is used as standard input device Note this application is for the 7188XA or the 7188XB X503 Mode...

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