Communications; General Description; General Description Of Functions; Transmission Specifications - Toho Electronics TRM-10C Instruction Manual

8.1

General Description

8.1.1 General Description of Functions

This Recorder has the following communication functions:
① Outputting the process variable
Process variable, alarms status, etc.
② Outputting the set value
Reading the setup data such as a range, chart speed, etc.
③ Inputting the set value
Writing the setup data such as a range, chart speed, etc.
④ Controlling of the recorder (Partially)
Selection to print, recording start/stop and changing display etc.
For the functions ② to ④, see the separate Communication Command Reference Manual
(charged).

8.1.2 Transmission Specifications

(1) Communication system
(2) Connection
(3) Protocol
(4) Communication speed
(5) Start bit
(6) Stop bit
(7) Parity
(8) Data length

8. COMMUNICATIONS

:Start-stop synchronous, half-duplex communications
:One-to-one(RS-232C), One-to-N(RS-485); N = 1 to 32
:Original, Modbus RTU
:1200, 2400, 4800, 9600, 19200, or 38400 bps
:1 bit
:1 or 2 bits
:Even, Odd, or None
:7 or 8 bits(Modbus RTU fixed at 8 bits)
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