Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Module type | IM 157-1 DP |
| PROFIBUS interfaces | 1 |
| Interface type | PROFIBUS DP |
| RS 485 | Yes |
| Maximum transmission rate | 12 Mbit/s |
| M12 ports | 2x M12 B-coded |
| Rated load voltage 1L+ | 24 V |
| Permissible load-voltage range | 20.4 V to 28.8 V |
| Maximum address space per station | 244 byte |
| Protection | IP65/67 |
| Isolation test | 707 V DC (type test) |
Applications
- PROFIBUS DP communication: The module provides PROFIBUS DP device communication and supports PROFIBUS services including direct data exchange between slaves.
- Module diagnostics: The module provides diagnostics, diagnostic alarms, and status indication through RUN, ERROR, MAINT, and DP connection LEDs.
Key Features
- PROFIBUS interface: Product type designation: IM 157-1 DP. The module has 1 PROFIBUS DP interface and supports the PROFIBUS DP device function.
- RS 485 communication: RS 485 is supported with a maximum transmission rate of 12 Mbit/s.
- M12 connections: The module has 2x M12 B-coded ports.
- Diagnostics and services: It supports diagnostics, diagnostic alarms, SYNC, FREEZE, direct data exchange, DPV0, and DPV1. RUN, ERROR, MAINT, and DP connection indication LEDs are provided.
- Supply and protection: Rated load voltage 1L+ is 24 V, with a permissible range from 20.4 V to 28.8 V. Reverse polarity protection is provided against destruction, and protection is IP65/67.
- Electrical separation: Potential separation is provided between the load voltages and between PROFIBUS DP and all other circuit components. Isolation is tested with 707 V DC (type test).
Frequently Asked Questions
1. What interface does Siemens 6ES7157-1AA00-0AB0 provide?
It provides 1 PROFIBUS DP interface with RS 485 and supports the PROFIBUS DP device function.
2. What transmission rate does the IM 157-1 DP support?
The maximum RS 485 transmission rate is 12 Mbit/s.
3. Which connections are included?
The module has 2x M12 B-coded ports.
4. What supply voltage does this module require?
The rated load voltage 1L+ is 24 V, with a permissible range from 20.4 V to 28.8 V.
5. What diagnostic functions are available?
Diagnostics and diagnostic alarms are supported, with RUN, ERROR, MAINT, and DP connection indication LEDs.
