Product Overview
Technical Summary
| Product designation | SIPLUS PCS 7 SM 321 spare part |
|---|---|
| Based on | 6ES7321-7TH00-0AB0 |
| Digital inputs | 16 |
| Load voltage L+ | 24 V DC |
| Input voltage | 8.2 V; 8.2 V/18 V |
| Connection | 1x 40-pole |
| Input devices | Contacts, NAMUR Encoder, 3/4-wire BERO |
| Diagnostics | Diagnostic alarms, hardware interrupts, readable diagnostic information, wire-break detection |
| Unshielded cable | Not permitted |
| Installation limit | Horizontal: 16 inputs up to 60 °C; vertical: 16 inputs up to 40 °C |
| Required connection | IM 153-2 required |
Key Features
- Product designation: SIPLUS PCS 7 SM 321 spare part based on 6ES7321-7TH00-0AB0.
- Digital inputs: 16 digital inputs with an IEC 61131 type 2 input characteristic; type 1 is not supported.
- Supply and connection: 24 V DC load voltage, 1x 40-pole connection, and reverse polarity protection.
- Input functions: Supports contacts, NAMUR Encoder, and 3/4-wire BERO, with chatter monitoring, pulse stretching, and open-circuit detection.
- Diagnostics: Diagnostics-capable with diagnostic alarms, hardware interrupts, readable diagnostic information, and wire-break detection.
- Installation and temperature: 16 inputs maximum for horizontal installation up to 60 °C or vertical installation up to 40 °C.
Frequently Asked Questions
What does Siemens 6AG1321-7TH00-4AB0 identify?
It identifies a SIPLUS PCS 7 SM 321 spare part based on 6ES7321-7TH00-0AB0, with 16 digital inputs and conformal coating.
Which specifications should be checked when verifying this MLFB?
Check the 24 V DC load voltage, 1x 40-pole connection, 16 digital inputs, input devices, diagnostics functions, and the installation temperature limit.
What cable configuration is supported?
Shielded cable is supported up to 400 m, with a maximum of 200 m with an 8.2 V sensor; unshielded cable is not permitted.
What connection requirement applies to this configuration?
An IM 153-2 connection is required.
