- Product name:EM277 PROFBUS-DP interface module
- Distributed I/O system with PROFBUS-DP interface
- Photoelectric isolation, stable performance
- Support S7-200 series PLC (such as CPU)
- Support for 300CPU with DP master function
- RS-485 communication baud rate from 9.6Kbs to 12Mbs adaptive
- Maximum support for connecting 99 DP slave stations
technical parameter
Voltage range |
20.4-28.8V DC |
Maximum current consumption(24VDC) |
70mA |
Number of communication ports |
1 RS485 ports |
Connection protocol |
PROFIBUS-DP |
Station address setting |
0 to 99 (set by knob switch) |
Maximum number of stations per segment |
32 |
Maximum number of stations per network |
126, up to 99 EM277 stations |
PROFIBUS-DP communication rate |
9.6, 19.2, 45.45, 93.75, 187.5 and 500K baud rate; 1.5, 3, 6 and 12M baud rate |
Cable length |
|
Below 93.75Kbps |
1200m |
187.5Kbps |
1000m |
500Kbps |
400m |
1-1.5Mbps |
200m |
3-12Mbps |
100m |
Dimensions (L * w * h) |
71*80*62 |
Structure diagram
EM277 module LED indicator light |
||||
LED |
OFF |
gules |
Flashing red light |
green light |
CPUfault |
Good module |
Internal module failure |
/ |
POWER |
No 24VDC user power |
/ |
/ |
|
DP ERRO |
No wrong |
Data exchange mode |
Parametric / configuration error |
24VDC user power good |
DX MODE |
Data exchange mode |
/ |
/ |
Data exchange mode |