STD Bus Card Interfaces STD Computers
to A-B Networks
The DataLink DL-STD (DL) is an STD pc card that enables STD 80 and STD 32 bus CPUs to interface to Allen-Bradley networks at high-speed. The DL can be configured as either a station on Data Highway Plus or as one or more adapters (virtual racks) on Remote I/O
Highlights:
Interfaces STD 80 or 32 bus to DH+ or RIO.
Comparable to PRO-LOG's 7514A or ISA bus pc products such as A-B's 1784-KT(x).
Runs existing A-B serial protocols at bus speeds.
A-B network speeds up to 230.4 Kbaud.
In-place menu configuration; no jumpers to set.
Built-in firmware operates independent of CPU.
Card includes DH+ and RIO (adapter) protocols.
1 year warranty and 30 day money-back guarantee
DL's interface to STD bus using
the same serial COM port emulator as an internal modem card. The built-in
COM port front-end buffers bus byte data in RAM memory, converts it to
serial and transmits it directly to DH+ or RIO at full network speeds
eliminting the usual 19.2 KB bottleneck.
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. The unique serial port approach enables STD bus computers to connect to A-B networks at high speeds uing serial 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 and Windows, in applications such as Operator Interfaces, PLC Programming and SCADA.
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.
