6F3B0253
28 T1-16S User’s Manual
1. System Configuration

1.7 RS-485 port communication function

The T1-16S enhanced model has an RS-485 multi-purpose communication port.
This port can work independent of the programmer port.
By using this communication port, one of the following four communication modes is
available, computer link mode, data link mode, free ASCII mode, and Inverter
connection mode.
For details of these functions, refer to the separate manual “T1-16S User’s Manual
Communication Function ”.
Item
Computer
link
Free ASCII
Inverter
connection
Data link
Interface
Conforms to RS-458
Transmission system
Half-duplex
Synchronization
Start-stop system (asynchronous)
Transmission code
ASCII/binary
ASCII
Binary
Binary
Transmission speed
300, 600, 1200, 2400, 4800, 9600, or
19200 bps
19200 bps
(fixed)
Transmission
distance
1 km max.
Framing
Start bit: 1 bit
Data bits: 7 or 8 bits
Parity: Odd, even, or none
Stop bit: 1 or 2 bits
Special
Protocol
T-series
computer
link (ASCII),
Programmer
(binary)
User
defined
ASCII
messages
Inverter VF-
A7/G7/S9
binary
protocol
Special
Link configuration
1-to-N
N/A
1-to-N
1-to-1
T1-16S standard model does not have the RS-485 interface.
NOTE