TOHO ELECTRONICS TTM-509 User Manual

Page 55

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TOHO

TOHO ELECTRONICS INC.

DWG. No.

45-4199-E

PAGE

55/66

4.4.9 Setting mode for communications 1 and 2

Communications 1 is for RS232C and RS485. Communications 2 is for infrared
communications.

Character

PV screen
Auxiliary screen

Designation

Description

Initial value

1

□
□□□□
to
□
□□□□

Select
communications 1
and 2

Setting concerning communications 1 and 2

2



to



Set a protocol for
communications 1
and 2

Setting a communications protocol
: TOHO model 100 protocol
: MODBUS (RTU)
: MODBUS (ASCII)

3



to



Set a parameter for
communications 1
and 2

BCC check
: Disable
: Enable

Data length selection
: 7-bit
: 8-bit

Parity check
: Disable
: Odd number
: Even number

Stop bit length
: 1-bit
: 2-bit



4



to



Set a speed for
communications 1
and 2



: 4800bps



: 9600bps



: 19200bps



: 38400bps



5



to



Set an address for
communications 1
and 2

Setting range: 1 to 99 stations

The range will be between 1 and 247 stations when
MODBUS is selected.

6



to



Set a response
delay for
communications 1
and 2

Setting range: 0 to 250ms

7



to



Set a mode
switchover for
communications 1
and 2

: Enable communication R
: Enable communication RW

Selecting MODBUS disables the mode switchover.



When an ASCII code is
selected for MODBUS
//
When an RTU code is
selected for MODBUS
//

* BCC check will be

disabled.

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