Implementing 3-Switch XOR Ladder Logic with Internal Bit
Implement a 3-SPST switch XOR light circuit in LogixPro or RSLogix 500 using an internal relay bit. Includes truth tables, boolean equations, and verified.
The DP640 3BHT300057R1 is a high-precision rotational speed meter module developed for the S600 I/O family and designed to integrate seamlessly into Advant Controller 160 process control systems. This specialized input module delivers reliable speed monitoring, supporting high-frequency sensor inputs up to 50 kHz with a wide operational signal range of plus or minus 13 mA at 24 V DC or 5 V DC. Featuring dual digital input channels, it facilitates directional detection through a secondary speed meter input path. The device incorporates integrated overspeed trip logic capable of transmitting emergency trip signals via an onboard 24 V DC solid-state output and a 60 V DC dry contact path. To maximize signal integrity and protect system controllers from electrical noise or transients, all speed meter inputs and the solid-state output are individually opto-isolated.
| Parameter | Value |
|---|---|
| Product ID | 3BHT300057R1 |
| ABB Type Designation | DP640 |
| Catalog Description | DP640 Rotational Speed Meter Module |
| Attribute | Specification |
|---|---|
| Manufacturer | ABB |
| Product ID | 3BHT300057R1 |
| ABB Type Designation | DP640 |
| Product Type | I-O_Module |
| Channel Type | DI (Digital Input) |
| Number of Input Channels | 2 |
| Maximum Input Frequency | 50 kHz |
| Input Signal Current | plus or minus 13 mA |
| Input Signal Voltages | 5 V DC / 24 V DC |
| Solid-State Output Rating | 24 V DC |
| Dry Contact Output Rating | 60 V DC |
| Isolation Type | Individual opto-isolation for inputs and solid-state output |
| Product Net Weight | 1.33 kg |
| Product Net Depth / Length | 252 mm |
| Product Net Height | 273 mm |
| Product Net Width | 40 mm |
| Country of Origin | Sweden |
| Customs Tariff Number | 85389091 |
| Connector Pin / Interface | Function |
|---|---|
| Speed Meter Input 1 | Primary high-frequency rotational speed input channel |
| Speed Meter Input 2 | Secondary input channel for frequency and direction detection |
| Solid-State Output | Dedicated 24 V DC isolated overspeed trip signaling path |
| Dry Contact Output | 60 V DC emergency interlock trip connection |
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Returns & Warranty



The DP640 3BHT300057R1 is a high-precision rotational speed meter module developed for the S600 I/O family and designed to integrate seamlessly into Advant Controller 160 process control systems. This specialized input module delivers reliable speed monitoring, supporting high-frequency sensor inputs up to 50 kHz with a wide operational signal range of plus or minus 13 mA at 24 V DC or 5 V DC. Featuring dual digital input channels, it facilitates directional detection through a secondary speed meter input path. The device incorporates integrated overspeed trip logic capable of transmitting emergency trip signals via an onboard 24 V DC solid-state output and a 60 V DC dry contact path. To maximize signal integrity and protect system controllers from electrical noise or transients, all speed meter inputs and the solid-state output are individually opto-isolated.
| Parameter | Value |
|---|---|
| Product ID | 3BHT300057R1 |
| ABB Type Designation | DP640 |
| Catalog Description | DP640 Rotational Speed Meter Module |
| Attribute | Specification |
|---|---|
| Manufacturer | ABB |
| Product ID | 3BHT300057R1 |
| ABB Type Designation | DP640 |
| Product Type | I-O_Module |
| Channel Type | DI (Digital Input) |
| Number of Input Channels | 2 |
| Maximum Input Frequency | 50 kHz |
| Input Signal Current | plus or minus 13 mA |
| Input Signal Voltages | 5 V DC / 24 V DC |
| Solid-State Output Rating | 24 V DC |
| Dry Contact Output Rating | 60 V DC |
| Isolation Type | Individual opto-isolation for inputs and solid-state output |
| Product Net Weight | 1.33 kg |
| Product Net Depth / Length | 252 mm |
| Product Net Height | 273 mm |
| Product Net Width | 40 mm |
| Country of Origin | Sweden |
| Customs Tariff Number | 85389091 |
| Connector Pin / Interface | Function |
|---|---|
| Speed Meter Input 1 | Primary high-frequency rotational speed input channel |
| Speed Meter Input 2 | Secondary input channel for frequency and direction detection |
| Solid-State Output | Dedicated 24 V DC isolated overspeed trip signaling path |
| Dry Contact Output | 60 V DC emergency interlock trip connection |
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Sweden
|