Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Module type | SIMATIC DP electronics module for ET 200S |
| Encoder connection | 1 symmetrical incremental encoder via RS-422 |
| Encoder input frequency, max. | 650 kHz |
| Frequency measurement range | 0.1 Hz to 500 kHz |
| Cycle duration measurement range | 10 μs to 120 s |
| Speed measurement range | 1 1/min to 25 000 1/min |
| Digital inputs | 1 |
| Digital outputs | 2 |
| Load voltage L+ | 24 V; permissible range 20.4 V to 28.8 V |
| Diagnostics | Yes |
| Product lifecycle | Product cancellation |
Applications
- Frequency measurement: Measures frequency from 0.1 Hz to 500 kHz.
- Cycle duration measurement: Measures cycle duration from 10 μs to 120 s.
- Speed measurement: Measures speed from 1 1/min to 25 000 1/min.
- Encoder counting and synchronization: Supports counting with 1 32-bit counter input, gate control, latch function, and synchronization.
Key Features
- Encoder connection: Connects 1 symmetrical incremental encoder with RS-422 input, A/notA and B/notB trace mark signals, N/notN zero mark signals, and input frequency up to 650 kHz.
- Measurement and counter ranges: Frequency measurement: 0.1 Hz to 500 kHz; cycle duration measurement: 10 μs to 120 s; speed measurement: 1 1/min to 25 000 1/min. The module has 1 32-bit counter input.
- Digital I/O: Provides 1 digital input with gate control, synchronization, and latch functions, plus 2 digital outputs.
- Supply and protection: Load voltage L+ is 24 V, with a permissible range of 20.4 V to 28.8 V. Reverse polarity and encoder short-circuit protection are provided.
- Diagnostics and synchronization: Diagnostics function is available, with LEDs for group error SF, digital input and output status, forward and backward counting, and synchronization SYN.
- Installation dimensions: Installation width is 30 mm. Dimensions are 30 mm wide, 81 mm high, and 52 mm deep; weight is approximately 65 g.
Frequently Asked Questions
1. How many encoders can 6ES7138-4DE02-0AB0 connect?
It can connect up to 1 symmetrical incremental encoder via RS-422.
2. What encoder signals does the module support?
It supports A, notA, B, notB, A and B offset by 90°, plus N and notN zero mark signals.
3. What are the measurement ranges?
Frequency measurement is 0.1 Hz to 500 kHz, cycle duration measurement is 10 μs to 120 s, and speed measurement is 1 1/min to 25 000 1/min.
4. What supply voltage does the module use?
Load voltage L+ is 24 V, with a permissible range of 20.4 V to 28.8 V.
