| AB 1770-KF3 Replacements |
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External Protocol Converters |
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DL3500-DH-485/DF1 - DF1 to DH-485
Compact alternative to Allen-Bradley's 1770-KF3. The DL3500-DH-485/DF1 converts (USB or serial) A-B DF1 serial protocol to A-B DH-485. (DH-485 gateway to DF1)
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Internal Protocol Converters |
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DL-PC/104 - PC/104 Bus Interface
The DataLink DL-PC/104 interface card provides PC/104 computers, MMIs, and OEM equipment with an inexpensive, high speed interface to Allen Bradley's Data Highway Plus or Remote I/O (Adapter). The DL-PC/104 interfaces to a PC/104 CPU's bus using the same "Z182" COM port emulator as an internal modem. The DL buffers PC/104 bus data bytes in RAM memory, converts it to synchronous serial data, and then transmits to the A-B network at full speed.
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DL-PC - ISA Bus Interface
DL's interface to ISA bus using the same COM port emulator as an internal modem card. The built-in COM port front-end buffers the byte data in RAM memory, converts it to serial and then transmits it directly to DH+ or RIO at full network speeds.
The DL's built-in CPU, RAM, and operating firmware in socketted EPROM frees-up valuable computer memory and system resources for use by the application. This unique approach enables ISA bus computers to connect to A-B networks at high speeds using standad communications software. The actual system throughput will depend on CPU, clock speed, application software, A-B network speed and traffic etc.
The DL enables existing A-B DF1 serial drivers, ie. drivers for PLC Channel 0, 1770-KF2 or 1785-KE, to be used with Operating Systems including DOS, Unix & Windows, in applications such as Operator Interfaces, PLC Programming, SCADA and Data Acquisition.
In adapter mode the DL can be configured for 1 to 8 (virtual) racks. A computer can read all the I/O image data on RIO, write a maximum 1024 bits and read/write 64 data blocks of up to 64 words each.
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DL-PCI
- PCI Bus interface
DataHighway Plus (DH+)
- Speeds: 57.6 K, 115.2 Kbaud and 230.4 Kbaud
- Configurable DH+ address (0 to 77o)
Remote I/O (RIO)
- Speeds: 57.6 K, 115.2 K, and 230.4 Kbaud
- Occupy 1 to 7 virtual adapter racks
- 128 bits of throughput data per rack
- Up to 16 Block Transfer Reads and Writes per rack
- DH-485 speeds 4800, 9600, 19.2 kb.
- Configurable DH-485 address (0-31d)
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