Product Description
Key Features
- Exact product identity: SIMATIC S7-1500 digital input module DI 16×24 … 125 V UC HF.
- Digital input capacity: 16 digital inputs, with 16 simultaneously controllable inputs in groups of 1.
- Input voltage: Rated input voltage: 24 V; 48 V, 125 V DC and 24 V; 48 V, 125 V AC (50 – 60 Hz).
- Diagnostics and interrupts: Diagnostics function, diagnostic alarm, hardware interrupt, RUN LED, ERROR LED, channel status display, and channel diagnostics are supported.
- Input response and counting: Input delay is 0.05..20 ms. Counter operation is available from V1.1.0 only in DC operation; maximum counting frequency is 6 kHz and counting width is 32 bit.
- Connection and lifecycle data: Front connector with screw terminals or push-in is ordered separately. Product lifecycle: Active Product; firmware version from V1.0.0.
Technical Summary
| Product type designation | DI 16×24 … 125 V UC HF |
|---|---|
| Product lifecycle | Active Product |
| Digital inputs | 16 |
| Input voltage, rated value (DC) | 24 V; 48 V, 125 V |
| Input voltage, rated value (AC) | 24 V; 48 V, 125 V (50 – 60 Hz) |
| Input delay | 0.05..20 ms |
| Counter, counting frequency max. | 6 kHz |
| Power consumption from the backplane bus | 1.2 W |
| Front connector | Screw terminals or push-in; to be ordered separately |
| Firmware version | from V1.0.0 |
| Potential separation | Between the channels in groups of 1; between the channels and backplane bus |
Frequently Asked Questions
What order number should be confirmed for this Siemens digital input module?
Confirm the complete order number 6ES7521-7EH00-0AB0 and product type designation DI 16×24 … 125 V UC HF.
How many inputs and what input voltage does the module provide?
It has 16 digital inputs. Rated input voltage is 24 V; 48 V, 125 V DC and 24 V; 48 V, 125 V AC (50 – 60 Hz).
Which firmware and hardware versions should be checked?
Firmware is from V1.0.0, and the HW functional status is from FS01. Counter operation is available from V1.1.0, while counter operation for parameterizable digital input functions is available from FS04.
Is the front connector included with the module?
It is without the front connector; a connector with screw terminals or push-in is to be ordered separately.
