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| Categories: | Profibus Gateway | PROFIBUS Converters and Gateways | Modbus Converters and Gateways | Modbus Converters |
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The GW-7552 PROFIBUS to Modbus RTU Gateway is specially designed for the slave device of PROFIBUS DP protocol. It allows the PROFIBUS master to access the Modbus devices. These Modbus devices may be a PLC, a sensor, ICPDAS M-7000 series modules and so forth. In addition, we also provide the utility software for users to configure the GW-7552. By using this module, users can put their Modbus devices into PROFIBUS network very easily.
Protocol & Hierarchy |
DP-V0 Slave |
Supports PROFIBUS Transmission Rate (Kbps) |
9.6, 19.2, 45.45, 93.75, 187.5, 500, 1500, 3000, 6000, 12000 |
Transmission Rate Setting |
detected automatically |
Max Input Data Length |
128 Bytes |
Max Output Data Length |
131 Bytes |
Address Setting |
0~126 set by DIP switch |
Supports Modbus Mode |
Master/Slave |
Supports Modbus Format |
RTU/ASCII |
Hybrid COM 1 |
RS-232/422/485 with “Self Tuner” inside |
Supports COM 1 Baudrate (Kbps) |
2.4, 4.8, 9.6, 19.2, 38.4, 57.6, 115.2 |
Supports COM 1 Data Format |
7/8 data bits, No/Odd/Even parity, 1/2 stop bit |
Indicators |
PWR, ERR, and RUN LEDs |
Network Isolation Protection |
High Speed iCoupler |
DC Isolation Protection |
3000VDC on PROFIBUS side |
The GW-7552 Utility helps users to configure the devices, and has following features:
Only the following Modbus commands are supported by the gateway.
Code |
Name |
Description
|
01 |
Read Coil Status |
Read the ON/OFF status of discrete outputs in the slave |
02 |
Read Input Status |
Read the ON/OFF status of discrete inputs in the slave |
03 |
Read Holding Registers |
Read the binary contents of holding registers in the slave |
04 |
Read Input Registers |
Read the binary contents of input registers in the slave |
05 |
Force Single Coil |
Write a single output to either ON or OFF in the slave |
06 |
Preset Single Register |
Write an integer value into a single register in the slave |
15 |
Force Multi. Coils |
Write each coil in the sequence of coils to either ON or OFF in the slave |
16 |
Preset Multi. Registers |
Write a block of contiguous registers in the slave |
| CPU Module | |
|---|---|
| CPU | 80186, 80 MHz or compatible |
| EEPROM | 16 KB |
| Flash | 512 KB |
| SRAM | 512 KB |
| Watchdog Timer | Watchdog IC CPU built-in |
| LED Indicators | |
|---|---|
| Status | PWR LED, RUN LED, ERR LED |
| COM Ports | |
|---|---|
| Ports | RS-232/RS-422/RS-485(cant be used simultaneously) 3-pin screwed terminal block (RxD, TxD, GND) 4-pin screwed terminal block (RxD+, RxD-, TxD+, TxD-) 2-pin screwed terminal block (DATA+, DATA-) |
| Baud Rate | 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 |
| Parity | None, Even, Odd |
| Data Bit | 7, 8 |
| Stop Bit | 1, 2 |
| PROFIBUS | |
|---|---|
| Controller | Siemens SPC3 |
| Transceiver | ADI ADM2486 |
| Baud Rate | 9.6 k, 19.2 k, 45.45 k, 93.75 k, 187.5 k, 500 k, 1.5 M, 3 M, 6 M, 12 M |
| Isolation | 3000 VDC for DC-to-DC, 2500 Vrms for bus-to-logic |
| Protocol | DP-V0 |
| Power | |
|---|---|
| Consumption | 2.5 W |
| Mechanical | |
|---|---|
| Dimensions (mm) | 72 x 33 x 119 (W x L x H) |
| Installation | DIN-Rail |
| Environment | |
|---|---|
| Operating Temperature | -25 ~ +75 |
| Storage Temperature | -30 ~ +85 |
| Humidity | 5 ~ 95% RH, Non-condensing |
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Internal I/O Diagram
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