6ES7 277 0AA22 0XA0 EM 277 Profibus DP
Description
The part number 6ES7 277 0AA22 0XA0 EM 277 Profibus DP refers to the PROFIBUS DP Slave module for the Siemens SIMATIC S7-200 series. This module allows an S7-200 PLC to communicate on a PROFIBUS DP network as a slave device.
The 6ES7 277 0AA22 0XA0 EM 277 Profibus DP is Profibus Communication module of SIMATIC S7-200, PROFIBUS DP Slave module, 9.6 KB to 12 MB, 1 interface PROFIBUS-DP/MPI.
Key Features of the EM 277 Profibus DP (PROFIBUS DP Slave Module):
+Series: SIMATIC S7-200
+Model: PROFIBUS DP Slave Module
+Function: Enables the S7-200 PLC to act as a slave device on a PROFIBUS DP network.
Communication:
PROFIBUS DP: Compliant with PROFIBUS DP communication standards, allowing integration into existing PROFIBUS networks.
Data Rates: Supports standard PROFIBUS DP data rates.
Network Integration: Facilitates data exchange between the S7-200 PLC and other PROFIBUS master devices such as S7-300/400 PLCs, PCs, and HMIs.
Configuration:
Software: Configured using Siemens STEP 7-Micro/WIN software.
Addressing: Supports PROFIBUS DP addressing for proper network identification and communication.
Applications 6ES7 277 0AA22 0XA0 EM 277 Profibus DP:
Industrial Automation: Used in automation systems where S7-200 PLCs need to communicate with other devices over a PROFIBUS DP network.
Data Exchange: Facilitates data exchange between the S7-200 and other PROFIBUS-enabled devices, ensuring coordinated operation in complex automation setups.
Process Control: Enables integration of S7-200 PLCs into larger process control systems that utilize PROFIBUS DP for communication.
Usage:
Slave Configuration: The module allows the S7-200 PLC to receive commands and send data to a PROFIBUS DP master.
Network Integration: Connects the S7-200 PLC to a PROFIBUS network, enabling it to participate in a broader automation system.
Data Handling: Manages the communication of I/O data, alarms, and diagnostic information between the S7-200 and other networked devices.
Summary:
The 6ES7277-0AA22-0XA0 PROFIBUS DP Slave module is an essential communication accessory for the Siemens SIMATIC S7-200 series PLCs. It enables these PLCs to function as slave devices on a PROFIBUS DP network, facilitating efficient data exchange and integration into larger, networked automation systems. This module is particularly useful for extending the reach and connectivity of S7-200 PLCs within complex industrial environments, ensuring seamless communication and coordination with other PROFIBUS-enabled devices.
Specification of 6ES7 277 0AA22 0XA0 EM 277 Profibus DP
| Part Number | 6ES7277-0AA22-0XA0 |
| Supply voltage | |
| Load voltage L+ | |
| ● Rated value (DC) | 24 V |
| ● permissible range, lower limit (DC) | 20.4 V |
| ● permissible range, upper limit (DC) | 28.8 V |
| Input current | |
| from external supply (24 V DC), max. | 180 mA; 30 to 180 mA |
| from backplane bus 5 V DC, max. | 150 mA |
| output voltage / header | |
| Rated value (DC) | |
| ● 5 V DC | Yes |
| ● 24 V DC | Yes; 20.4 to 28.8V |
| Output current | |
| For interface (5 V DC), max. | 90 mA |
| For interface (24 V DC), max. | 120 mA |
| ● Current limitation | 0.7 to 2.4 A |
| Power loss | |
| Power loss, typ. | 2.5 W |
| Hardware configuration | |
| connectable nodes | TD 200 as of V2.0, OP, TP, PG/PC, S7-300/400, PROFIBUS DP master |
| Interfaces | |
| Number of RS 485 interfaces | 1 |
| MPI | |
| ● Number of connections, max. | 6 |
| Interface types | |
| RS 485 | |
| ● Transmission rate, max. | 12 Mbit/s; 9,6 / 19,2 / 45,45 / 93,75 / 187,5 / 500 kbit/s; 1 / 1,5 / 3 / 6 / 12 Mbit/s |
| ● automatic detection of transmission rate | Yes |
| ● Cable length, max. | 1 200 m; 100 to 1200 m, depending on transmission speed |
| Protocols | |
| Bus protocol/transmission protocol | PROFIBUS DP (slave), MPI (slave) |
| PROFIBUS DP | |
| ● Number of node addresses, max. | 0 to 99, adjustable |
| ● Number of stations per segment, max. | 32 |
| ● Number of stations in network, max. | 126; of which max. 99 EM 277 |
| communication functions / header | |
| Number of connections | |
| ● usable for PG communication | 1 |
| — reserved for PG communication | |
| ● usable for OP communication | |
| — reserved for OP communication | 1 |
| Interrupts/diagnostics/status information | |
| Diagnostics indication LED | |
| ● Monitoring of the supply voltage (PWR-LED) | Yes |
| ● Bus fault BF (red) | Yes |
| ● CPU error (red) | Yes |
| ● DX mode (red) | Yes |
| Isolation | |
| Isolation tested with | between external signal and control logic: 500 V AC (galvanic); 5 V DC interface: Isolation between output and module as well as 24 V DC supply voltage: 500 V AC (max. 1 min.); 24 V DC interface: Isolation no; same circuit as 24 V DC supply voltage |
| connection method | |
| Plug-in I/O terminals | No |
| Dimensions | |
| Width | 71.2 mm |
| Height | 80 mm |
| Depth | 62 mm |
| Weights | |
| Weight, approx. | 175 g |
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