3IF681.95 by B & R Automation
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The 3IF681.95 fits CP260 or IF260 slots and supports RS232 and Ethernet interfaces. Manufactured by B&R as part of the System 2005 Controllers series, it consumes 2.4 W. It uses ST16C650 UART with 32-byte FIFO and an AM79C960 Ethernet controller with 128 KB buffer for up to 10 Mbit/s.
Technical Specifications
Ethernet buffer
128 KB send/receive
128 KB send/receive
Ethernet controller
AM79C960
AM79C960
Ethernet interface
10BASE2 BNC socket
10BASE2 BNC socket
Ethernet isolation
Yes
Yes
Ethernet speed
Up to 10 Mbit/s, bus capable
Up to 10 Mbit/s, bus capable
Power consumption
Max 2.4 W
Max 2.4 W
RS232 connector
9-pin D-sub plug
9-pin D-sub plug
RS232 controller
UART ST16C650
UART ST16C650
RS232 FIFO
32-byte send/receive
32-byte send/receive
RS232 handshake lines
DTR, DSR, RTS, CTS
DTR, DSR, RTS, CTS
RS232 isolation
None; includes input filter/protective circuit
None; includes input filter/protective circuit
RS232 max baud rate
115.2 kBaud
115.2 kBaud
RS232 max distance
15 m at 19,200 Baud
15 m at 19,200 Baud
Slot compatibility
CP260, IF260 slots
CP260, IF260 slots
Supply voltage
5 V, 24 V
5 V, 24 V
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