Embedded Ethernet Controller, Programmable in ISaGRAF IEC-1131 Development Suite with 40 Mhz CPU. MiniOS7 Operating System. Supports operating temperatures between -25 to 75°C (-13F ~ 167F).
The I-7188EG is an embedded controller and powered by an 80188-40 processor with 512K bytes of static RAM, and 512K bytes of Flash memory. It provides one serial RS-232 port, one RS-485 port and one 10BASE-T port. Each I-7188EG has an Ethernet port and can take your system to the internet world. The I-7188EG also supports an optional battery back-up SRAM expansion board and Flash-Rom board, providing non-volatile mass storage from 2 megabytes to 64 megabytes.
Creating a modbus Link with the I-7188EG
The I-7188EG controller can be a Modbus "Slave" and/or a Modbus "Master" controller depending on the application. As a Modbus slave, you can use COM1 (RS232) and the Ethernet port of the I-7188EG controller to link to PCs or other HMI products. As a Modbus master, you can use COM2 (RS485) to talk to other PLCs or devices which support Modbus protocol.
I/O Expansion Boards
The I-7188EG has an I/O expansion bus which can plug an expansion I/O board. Available I/O boards are as X107, X202, X203, X303, X304, X305, X503, X504, X505, X506, X507, X508, X509, X510 and more.
Linking the I-7000 & I-87xx module for remote I/O
The I-7188EG controller can use its COM2 (RS485) port to link to ICP DAS's "I-7000" & “I-87xx” series ( Note1) of remote I/O modules. This configuration can be very useful in applications that require distributed remote I/O throughout the system.
Linking To An MMI Interface Device
The COM1 (RS-232) port of the I-7188EG controller can be used to interface with additional Man Machine Interface (MMI) devices such as touch screen displays. ICP DAS provides a full line of touch screen displays, such as the "Touch" series screens. The models in the product line include the Touch 506, and the Touch 510 MMI products.
Controller to Controller Data Exchange
Like the I-8437 / 8837 controllers, the I-7188EG can use its Ethernet port to talk to one aother via the Ebus (Ethernet network) software communication mechanism.
Each I-7188EG has an IP address and with a fixed port No. of 502. With Modbus TCP/IP protocol, up to 4 PCs can link to one I-7188EG through Ethernet. With Modbus serial protocol, another PC or MMI can link to the COM1 (RS232) port of the I-7188EG. Therefore, the maximum number of clients that can be linked is 5.
MMICON: ICP DAS's Man Machine Interface
The I-8417/8817/8437/8837 & I-7188EG/XG support the ICP DAS's MMICON to become their Man Machine Interface. The MMICON is featured with a 240 x 64 dot LCD and a 4 x 4 Keyboard. User can use it to display picture, string, integer, float, and input a character, string, integer and float. All control logic is written in ISaGRAF program.
data, date & time can be stored at X607 / X608, and then PC can load these data via RS232/RS485.
- PWM : Pulse Width Modulation output
Parallel D/O boards can do PWM output. Up to 8 channels for one controller. 500 Hz max. for Off=1ms & On=1ms. Available output square curve: Off = 1 to 32767 ms, On = 1 to 32767 ms.
- Parallel D/I counters:
Parallel D/I board at slot 0 can accept counter input up to 500Hz with minimum pulse width > 1ms. Up to 8 channel for one controller. Counter value: 32 bit.
- Redundant Bus7000 : Redundant communication of remote I/O
Two ISaGRAF controllers can link to remote I-7000 & I-87K I/O modules at the same time. Only one controller is active to control these remote I/Os. If one is dead, the other one will take over the control of remote I/Os.
SMS:Short Message Service
The I-8417/8817/8437/8837, I-7188EG, I-7188XG & Wincon-8037/8337/8737 controller can integrate with a GSM Modem to support SMS: Short Message Service. This allows user to request information or control something from his own cellular phone to the ISaGRAF controller. Beside, the controller can also send information and alarms to user's cellular phone .
Reference & Support
|OS||MiniOS7 (DOS-like embedded operating system)|
|ISaGRAF Ver. 3||IEC 61131-3 standard|
|Languages||LD, ST, FBD, SFC, IL & FC|
|Max. Code Size||64 KB|
|Scan Time||5 ~ 100 ms for normal program
25 ~ 500 ms (or more) for complex or large program
|CPU||80188, 40 MHz|
|NVRAM||31 Bytes (battery backup, data valid up to 10 years)|
|RTC (Real Time Clock)||Provide second, minute, hour, date, day of week, month, year|
|64-bit Hardware Serial Number||Yes, for Software Copy Protection|
|Watchdog Timers||Yes (0.8 second)|
|Ethernet||RJ-45 x 1, 10 Base-T|
|COM1||RS-232 (TxD, RxD, RTS, CTS, GND), non-isolated|
|COM2||RS-485 (Data+, Data-) with internal self-tuner ASIC; non-isolated|
|LED Display||5-digit 7-segment LED display for (D) version|
|I/O Expansion Bus||Yes, 1 (14 Pins)|
|Dimensions (W x L x H)||72 mm x 123 mm x 33 mm|
|Operating Temperature||-25 ~ +75 °C|
|Storage Temperature||-30 ~ +80 °C|
|Ambient Relative Humidity||10 ~ 90 % RH (non-condensing)|
|Input Range||+10 ~ +30 VDC|
|Protection||Power reverse polarity protection|
|Power Consumption||2 W; 3 W for (D) version|
|Protocols (some protocols need optional devices)|
|NET ID||User-assigned by software, 1 ~ 255|
|Modbus RTU/ASCII Master
|Up to 2 COM Ports: COM1 ~ COM3 (*). (To connect to other Modbus Slave devices)
Max. Mbus_xxx Function Block amount for 2 ports: 64.
|Modbus RTU Slave
|Up to 2 COM Ports: COM1, one of COM2 or COM3 (*).
(For connecting ISaGRAF, PC/HMI/OPC Server & MMI panels)
|Modbus TCP/IP Slave
|Ethernet port supports Modbus TCP/IP Slave protocol for connecting ISaGRAF & PC/HMI.
Max. 4 connections.
|User-defined Protocol||User can write his own protocol applied at COM1, COM2 & COM3 ~ COM8 (*) by serial communication function blocks.|
|Remote I/O||One of COM2 or COM3: RS-485 (*) supports I-7K, I-87K I/O modules as Remote I/O. I-87K series must plug on RU-87Pn (High profile) or I-87K (Low profile) I/O Unit.
Max. 64 I/O modules for one PAC.
|Fbus||Built-in COM2 Port to exchange data between ICP DAS's ISaGRAF PACs.|
|Ebus||To exchange data between ICP DAS's ISaGRAF Ethernet PACs via Ethernet port.|
Short Message Service
|One COM port (one of COM1 or COM3 or COM4) (*) can link to a GSM modem to support SMS. User can request data/control the controller by cellular phone. The controller can also send data & alarms to user's cellular phone.
Optional GSM modems: GTM-201-RS232 (GSM/GPRS 850/900/1800/1900)
|Modem Link||Supports PC to remotely download & monitor the controller through COM4 of X504. (*)|
|MMICON/LCD||The COM3: RS-232 (*)supports ICP DAS's MMICON. The MMICON is featured with a 240 x 64 dot LCD and a 4 x 4 Keyboard. User can use it to display picture, string, integer, float, and input a character, string, integer and float.|
|Optional I/O Functions (Refer to ISaGRAF PAC I/O Selection Guide for I/O Module list)|
|Pulse Width Modulation Output||All X-board series DO boards support PWM output. 8-ch max. for one controller.
500 Hz max. for Off = 1 & On = 1 ms
Output square wave: Off: 1 ~ 32767 ms, On: 1 ~ 32767 ms
|Parallel DI Counter||All X-board series DI boards support DI counter.
8-ch. max. for one controller. Counter value: 32-bit
500 Hz max. Min. pulse width > 1 ms
|Remote DI Counter||All remote I-7K/I-87K DI modules support counters. 100 Hz Max. value: 0 ~ 65535 (16-bit)|
|Remote High Speed Counter||Optional I-87082: 100 kHz max. ,32-bit|
|Battery Backup SRAM||With an X607/X608 plug in the only expansion I/O slot. Data can be stored in X607/X608, and then PC can load these data via COM1. PC can also download pre-defined data to the X607/X608. (for retain variables)|
|*Note: COM3 ~ COM8 are resided at the optional X-board series if it is plugged inside the I-7188EG(D).
* Recommend to use NS-205/NS-208 Industrial Ethernet Switch.
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