Description
DO 451 — Digital Output
Siemens · DO 451 · 6ES5 451-7LA12
Description
SIMATIC S5 DO 451 digital output module for the S5-115U/F providing 32 isolated (floating) digital outputs at 24 V DC, 0.5 A per channel, for driving relays, solenoids, contactors, and indication. It is a 32-point block module with a 32-pin front connector and short-circuit-protected outputs. In this cabinet 12 DO 451 cards populate Racks 05 and 06, providing the command and actuation output capacity of the screen control system.
Key specifications
Parameter | Value |
Function | Digital output / actuation |
Channels | 32 digital outputs |
Signal level | 24 V DC, 0.5 A per channel |
Isolation | Isolated (floating) |
Protection | Short-circuit protected outputs |
Connector | 32-pin front connector |
Reference
Field | Value |
Manufacturer (OEM) | Siemens |
Model | DO 451 |
Part number | 6ES5 451-7LA12 |
Category | Digital I/O |
Installed location | Racks 05 & 06 (slots DO#1–DO#12) |
Installed qty (this panel) | 12 |
Source panel: Seawater Screen Control Panel (tag 10GAA00GH001), Siemens SIMATIC S5. Filed in the AI HW Knowledge Base.