Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | TM PTO 2x24V |
| Pulse train output channels | 2 |
| Digital inputs | 6; 3 per channel |
| Digital outputs | 6; 3 per channel |
| Supply voltage | 24 V DC |
| Load-voltage range | 19.2 V to 28.8 V DC |
| PTO signal interface | 24 V asymmetrical |
| PTO signal types | Pulse and direction; count up, count down; incremental encoder (A, B phase shift); incremental encoder (A, B phase shift, quadruple) |
| Maximum PTO switching frequency | 200 kHz; for 24 V PTO outputs |
| Usable BaseUnit | BU type A0 |
| Diagnostics | Diagnostic alarm; supply-voltage and short-circuit monitoring; PWR, channel-status, and DIAG LEDs |
Applications
- Stepper-drive pulse control: Provides a 24 V pulse train output interface for stepper drives, including pulse-and-direction and count-up/count-down signal types.
- Digital signal functions: Supports parameterizable digital input functions for synchronization, probe, and drive-ready signals.
Key Features
- Pulse train output: 2-channel PTO interface with 24 V asymmetrical pulse train output for stepper drives; supports pulse and direction, count up/count down, and incremental encoder signals.
- Digital I/O: 6 parameterizable digital inputs and 6 parameterizable digital outputs, with 3 inputs and 3 outputs per channel.
- 24 V supply: Rated supply voltage and load voltage L+: 24 V DC; permissible load-voltage range: 19.2 V to 28.8 V DC, with reverse polarity protection.
- Diagnostics and isolation: Diagnostic alarm, supply-voltage monitoring, short-circuit monitoring, green PWR and channel-status LEDs, green/red DIAG LED, and channel-to-backplane-bus potential separation.
- Installation data: Usable with BU type A0; shielded cable length max. 1 000 m for inputs and 600 m for outputs, with 50 m at 200 kHz; packaging dimensions: 19.10 x 16.40 x 2.30 cm.
Frequently Asked Questions
1. What is the function of the Siemens 6ES7138-6EB00-0BA0?
It is a SIMATIC ET 200SP TM PTO 2x24V interface module for stepper drives with 2 channels of pulse train output.
2. How many digital inputs and outputs does the module have?
It has 6 parameterizable digital inputs and 6 parameterizable digital outputs, with 3 inputs and 3 outputs per channel.
3. Which PTO signal types are supported?
It supports pulse and direction, count up/count down, incremental encoder with A and B phase shift, and incremental encoder with A and B phase shift quadruple signals.
4. What supply voltage and PTO frequency are specified?
The rated supply and load voltage is 24 V DC. The 24 V PTO output signal interface has a maximum switching frequency of 200 kHz.
5. Which BaseUnit is usable and what diagnostics are available?
The module is usable with BU type A0. It has diagnostic alarms, supply-voltage and short-circuit monitoring, and PWR, channel-status, and DIAG LEDs.
