Description
The National Instruments PCMCIA-485 Serial Interface Device, part number 777378-01, is a high-performance, single-port device designed to support RS-485 and RS-422 protocols.
It can connect up to 32 devices over a maximum cable length of 4000 feet, utilizing a standard DB-9 connector for easy integration. The device boasts four transceiver control modes to accommodate various network topologies, including both four-wire (full-duplex) and two-wire systems.
With the capability to achieve data rates of up to 10 Mbytes/s, and a typical power requirement of 100 mA at +5 VDC, this interface device is efficient and fast. It is compatible with popular programming environments such as LabVIEW and LabWindows/CVI, which facilitate ease of use and integration into existing systems.
The PCMCIA-485 is a Type II PC Card, drawing a typical current of 110 amperes and sourcing its power directly from the PCMCIA slot, thereby eliminating the need for an external power supply.
With its compact physical dimensions, this device is ideal for use with notebook computers and laptops where space and power are at a premium.
| Specification | Detail |
|---|---|
| Product Name | National Instruments PCMCIA-485 Serial Interface Device |
| Part Number | 777378-01 |
| Port Configuration | Single Port |
| Supported Protocols | RS-485, RS-422 |
| Maximum Number of Devices Connected | 32 |
| Maximum Cable Length | 4000 ft. |
| Connector Type | Standard DB-9 |
| Transceiver Control Modes | Four |
| Supported Topologies | Four-wire (full-duplex), Two-wire |
| Data Rate | Up to 10 Mbytes/s |
| Power Requirement | 100 mA typical at +5 VDC |
| Programming Environments | LabVIEW, LabWindows/CVI |
| PC Card Type | Type II PC Card |
| Current Requirement | 110 amperes typical |
| Power Source | PCMCIA Slot (No external power supply needed) |
| Physical Dimensions | 3.370 |
Question 1: What are the various network topologies supported by the National Instruments PCMCIA-485 Serial Interface Device’s transceiver control modes?
Answer 1: The National Instruments PCMCIA-485 Serial Interface Device’s transceiver control modes support various network topologies, including both four-wire (full-duplex) and two-wire systems.
Question 2: What are the four transceiver control modes supported by the National Instruments PCMCIA-485 Serial Interface Device, and how do these modes facilitate the integration of various network topologies?
Answer 2: The National Instruments PCMCIA-485 Serial Interface Device supports RS-485 and RS-422 protocols and can connect up to 32 devices over a maximum cable length of 4000 feet.
Question 3: What is the maximum number of devices that can be connected to the National Instruments PCMCIA-485 Serial Interface Device, and what is the maximum cable length supported for these connections?
Answer 3: I apologize for any confusion, but the original text provided does not specify the exact names or details of the four transceiver control modes supported by the National Instruments PCMCIA-485 Serial Interface Device. However, it does mention that these modes accommodate various network topologies by allowing for both four-wire (full-duplex) and two-wire systems, which implies that the control modes can switch between handling simultaneous two-way communication and alternate two-way communication to support different network configurations.
Question 4: What types of network topologies are supported by the National Instruments PCMCIA-485 Serial Interface Device’s four transceiver control modes, and how many devices can it connect over what maximum cable length?
Answer 4: The National Instruments PCMCIA-485 Serial Interface Device supports both four-wire (full-duplex) and two-wire systems through its four transceiver control modes, and it can connect up to 32 devices over a maximum cable length of 4000 feet.
Question 5: What protocols does the National Instruments PCMCIA-485 Serial Interface Device support, and how many devices can it connect over what maximum cable length?
Answer 5: The National Instruments PCMCIA-485 Serial Interface Device can connect up to 32 devices over a maximum cable length of 4000 feet.
