Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Module type | TM PTO 4 interface module |
| Channels | 4; Axes |
| PTO interfaces | 24 V asymmetrical; RS-422 symmetrical; TTL (5 V) asymmetrical |
| Digital inputs | 12; 3 per channel, of which 1 DIQ |
| Digital outputs | 12; 3 per channel, of which 1 DIQ |
| Load voltage | 24 V DC; 19.2 V to 28.8 V permissible range |
| PTO switching frequency | 200 kHz with 24 V asymmetrical; 1 MHz with RS-422 symmetrical; 200 kHz with TTL (5 V) asymmetrical |
| Rail mounting | Yes; S7-1500 mounting rail |
| Diagnostics | Diagnostics function, diagnostic alarm, supply-voltage monitoring, short-circuit monitoring, and group error |
| Bus cycle time | 250 μs minimum; 375 μs if all 4 channels are used |
Applications
- Stepper-drive pulse output: Outputs pulse train signals to stepper drives through pulse and direction, count up/count down, or incremental encoder signal types.
- Synchronization and probe functions: Supports parameterizable digital input functions for synchronization and probe signals.
- Drive-ready signaling: Supports a parameterizable digital input function for drive-ready signals.
Key Features
- 4-channel PTO interface: TM PTO 4 provides 4 channels for pulse train output to stepper drives.
- PTO signal interfaces: Supports 24 V asymmetrical, RS-422 symmetrical, and TTL (5 V) asymmetrical signal interfaces.
- PTO signal types: Supports pulse and direction, count up/count down, and incremental encoder (A, B phase shift) signals, including quadruple evaluation.
- Digital I/O: Has 12 digital inputs and 12 digital outputs, with 3 per channel, of which 1 is DIQ.
- Supply and mounting: Load voltage is 24 V DC with a permissible range of 19.2 V to 28.8 V. Mounting is on an S7-1500 mounting rail.
- Diagnostics and timing: Provides diagnostics, diagnostic alarms, supply-voltage monitoring, short-circuit monitoring, group error indication, and a minimum bus cycle time of 250 μs; 375 μs if all 4 channels are used.
Frequently Asked Questions
1. What is the function of the Siemens 6ES7553-1AA00-0AB0?
It is a TM PTO 4 interface module for stepper drives with 4 pulse train output channels.
2. Which PTO signal interfaces does this module support?
It supports 24 V asymmetrical, RS-422 symmetrical, and TTL (5 V) asymmetrical PTO signal interfaces.
3. How many digital inputs and outputs does it have?
It has 12 digital inputs and 12 digital outputs, with 3 per channel, of which 1 is DIQ.
4. What supply and mounting details should be verified?
The load voltage is 24 V DC, with a permissible range of 19.2 V to 28.8 V, and mounting is on an S7-1500 mounting rail.
