T1S Communication Function - Toshiba PROSEC T1 User Manual

1. System Configuration

1.7 T1S communication function

The T1S has an RS-485 muiti-purpose communication port. This port can work
independent of the programmer port.
By using this communication port, one of the following three communication modes is
available, computer link mode, data link mode and free ASCII mode.
For details of these functions, refer to the separate manual "T1/T1S User's Manual -
Communication Function -".
Interface
Transmission system
Synchronization
Transmission code
Transmission speed
Transmission distance 1 km max.
Framing
Protocol
Link configuration
Transmission delay
option
Computer link mode
T-series computer link protocol can be used in this mode. A maximum of 32 T1Ss can
be connected to a master computer.
By using this mode, all the T1S's data can be accessed by a master computer.
The T-series PLC programming software (T-PDS) can also be used in this
configuration.
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T1/T1S User's Manual
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Item Computer link
Conforms to RS-458 (4-wire or 2-wire)
Half-duplex
Start-stop system (asynchronous)
ASCII/binary
300, 600, 1200, 2400, 4800, 9600, or
19200 bps
Start bit:
Data bits:
Parity:
Stop bit:
T-series
computer link
(ASCII),
Programmer
(binary)
1-to-N
0 to 300 ms
Master Computer
T1 T1
Free ASCII
ASCII
1 bit
7 or 8 bits
Odd, even, or none
1 or 2 bits
User defined
ASCII messages
N/A
N/A
RS-485 (1 km max.)
T1
6F3B0250
Data link
Binary
19200 bps (fixed)
Special
Special
1-to-1
N/A
T1
Max. 32 T1Ss