Overview
The 6ES7541-1AB01-0AB0 is a CM PTP RS422/485 HF high-performance serial communication module for SIMATIC S7-1500 series PLCs. It is used to realize point-to-point (PtP) serial communication and is an upgraded replacement for the 6ES7541-1AB00-0AB0.
Specification
| Item | Specification |
|---|---|
| Product Description | SIMATIC S7-1500 CM PTP RS422/485 HF Communication Module |
| Interface Type | RS-422 (full-duplex) / RS-485 (half-duplex) |
| Connector | 15-pin Sub-D socket |
| Power Supply | Backplane bus-powered |
| Isolation | 500 V AC galvanic isolation between communication interface and backplane |
| Baud Rate | 300 bit/s ~ 12 Mbit/s |
| Supported Protocols | Freeport, 3964(R), USS, Modbus RTU (Master/Slave) |
| Diagnostics | Channel-specific diagnostics, line break detection, LED status indication |
| Dimensions (W×H×D) | 35 mm × 140 mm × 120 mm |
| Protection Class | IP20 |
| Operating Temperature | 0 °C ~ +60 °C |
| Application | Communication with drives, instruments, sensors, Modbus RTU networks |
FAQ:
1.Does 6ES7541-1AB01-0AB0 have electrical isolation?
6ES7541-1AB01-0AB0 features 500V AC electrical isolation.
2.Does the 6ES7541-1AB01-0AB0 support full-duplex communication?
Support. The 6ES7541-1AB01-0AB0 can achieve full-duplex communication when operating in RS-422 mode; it operates in half-duplex mode when operating in RS-485 mode.
3.What is the difference between 6ES7541-1AB01-0AB0 and 6ES7541-1AB00-0AB0?
| Item | 6ES7541-1AB00-0AB0 (Old version) | 6ES7541-1AB01-0AB0 (New version) |
|---|---|---|
| Status | Discontinued (from June 16, 2025) | Currently available (successor model) |
| Max baud rate | Max. 115.2 kbit/s | Up to 12 Mbit/s, reliable up to 250 kbit/s |
| Performance | Basic high-performance (HF) | Enhanced high-performance, stronger communication processing |
| Compatibility | — | Fully backward compatible, direct replacement |
| Other specs | Same interface, protocols, dimensions, isolation | Same interface, protocols, dimensions, isolation |
Looking for Original New 6ES7541-1AB01-0AB0 SIMATIC S7-1500 CM PTP RS422 485 HF PLC Module?
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