Product Overview
Applications
Reads NAMUR encoder and changeover-contact signals through the digital input channels.
Counts input signals using up to 4 counters with a maximum counting frequency of 5 kHz.
Technical Summary
| Product type | DI 8xNAMUR HF |
|---|---|
| Digital inputs | 8; NAMUR |
| Rated supply voltage | 24 V DC |
| Permissible supply voltage range | 19.2 V to 28.8 V DC |
| BaseUnit | BU type A0 |
| Counter function | Up to 4 counters; 5 kHz maximum counting frequency; 32 bit |
| Input voltage | 8.2 V DC rated value |
| Diagnostics | Channel-by-channel diagnostic alarm, wire-break and short-circuit diagnostics |
| Firmware version | V2.0 or higher |
| STEP 7 TIA Portal | Configurable/integrated from V19 |
Key Features
Provides 8 parameterizable digital inputs for NAMUR signals, with rising-edge, falling-edge, and edge-change evaluation.
Supports up to 4 counters, with a maximum counting frequency of 5 kHz, 32-bit counting width, and up/down counting direction.
Rated supply voltage is 24 V DC, with a permissible range of 19.2 V to 28.8 V DC and reverse polarity protection.
Provides channel-by-channel diagnostic alarms, wire-break and short-circuit diagnostics, and green/red diagnostic LEDs.
Suitable for BU type A0 and supports 2-wire and 3-wire connections; automatic encoding and a Type A mechanical coding element are provided.
Firmware version is V2.0 or higher and firmware updates are possible; configurable or integrated with STEP 7 TIA Portal from V19.
Frequently Asked Questions
What is the exact Siemens line item?
It is Siemens 6ES7131-6TF00-0CA0, SIMATIC ET 200SP DI 8xNAMUR HF.
Which BaseUnit is supported?
BU type A0 is supported for both 2-wire and 3-wire connections.
What supply voltage does the module require?
The rated supply voltage is 24 V DC, with a permissible range of 19.2 V to 28.8 V DC.
Does it support counter operation?
Yes. It supports up to 4 counters, a maximum counting frequency of 5 kHz, 32-bit counting width, and up/down counting.
Can this line item be included in a project quotation?
Yes. Provide the requested quantity, destination, schedule context, and any additional BOM lines for quotation review.
