Product Overview
Technical Summary
| Product type | DQ 16x 230 V AC/2 A ST (relay) |
|---|---|
| Digital outputs | 16 |
| Output current per channel, max. | 2 A; see additional description in the manual |
| Output current per group, max. | 4 A; see additional description in the manual |
| Output current per module, max. | 32 A; see additional description in the manual |
| Rated DC supply voltage | 24 V |
| Permissible DC supply voltage | 19.2 V to 28.8 V |
| Relay coil rated supply voltage L+ (DC) | 24 V |
| Firmware version | V1.1.0 |
| PROFINET GSD version / GSD revision | V2.3 / – |
| PROFIBUS GSD version / GSD revision | V1.0 / V5.1 |
Key Features
- Product designation: DQ 16x 230 V AC/2 A ST relay module for SIMATIC S7-1500.
- Digital outputs: 16 parameterizable relay outputs; current-sinking and current-sourcing are supported.
- Output current: Rated signal "1" current: 2 A; maximum current per channel: 2 A, per group: 4 A, and per module: 32 A; see the additional description in the manual.
- Supply voltage: Rated DC supply voltage: 24 V; permissible range: 19.2 V to 28.8 V; reverse polarity protection: Yes.
- Diagnostics and status: Substitute values, diagnostic alarms, maintenance interrupts, RUN, ERROR, MAINT, PWR-LED, and channel status display are supported.
- Safety-oriented shutdown: The module supports safety-oriented shutdown of load groups up to SIL1 according to EN IEC 62061:2021 and Category 2 / PL c according to EN ISO 13849-1:2015.
Applications
- Safety-oriented load-group shutdown: Supports the safety-oriented shutdown of load groups up to SIL1 according to EN IEC 62061:2021 and Category 2 / PL c according to EN ISO 13849-1:2015.
Frequently Asked Questions
What does Siemens 6ES7522-5HH00-0AB0 identify?
It identifies a SIMATIC S7-1500 DQ 16x 230 V AC/2 A ST relay digital output module with 16 outputs.
Which specifications distinguish this MLFB variant?
The module has 16 relay outputs, 2 A maximum per channel, 4 A maximum per group, 32 A maximum per module, and a rated DC supply voltage of 24 V.
What code and nameplate details should be checked?
Check the complete order number 6ES7522-5HH00-0AB0, the DQ 16x 230 V AC/2 A ST designation, and the relay output type.
Is the front connector included?
It is without a front connector; the screw-terminal or push-in front connector must be ordered separately.
