Tc-Mi Protocol - Optex TC-Mi Instruction Manual

・Baud rate (OM1/OM2 common)
Value Description
0xAA02 9600bps (default)
0xAA03 14400bps
0xAA04 19200bps
0xAA05 38400bps
・Parity (OM1/OM2 common)
Value Description
0xAA00 None (default)
0xAA01 Odd
0xAA02 Even
・Error number (OM1)
Number Description
2 Err3 Internal signal error
3 Err4 Temperature error
5 Err6 Internal data error
・Unit selection (OM1)
Value Description
0 Unit indication N/A
1 NTU (default)
2 FNU
Degree "度"
3
・Adjust the span (OM1/OM2 common)
Adjust the span scaling factor.
Default Setting range
1.00 0.30 to 3.00
・Noise reduction (OM1)
Value Description
0 Normal (default)
1 Enhanced
・Output selection (OM1)
Value Description
1 Self-Checking (default)
2 Alarm
34
・Error number and details (OM2)
Register
Description
4132 4133
0x0401 0x0102 Err3 Internal signal error
0x0402 0x0200 Err4 Temperature error
Internal data error
Err6
0x0402 0x10##
(## is any value)
・Unit selection (OM2)
Value Description
0xAA00 Unit indication N/A
0xAA01 NTU (default)
0xAA02 FNU
Degree "度"
0xAA03
・Noise reduction (OM2)
Value Description
0xAA00 Normal
0xAA01 Enhanced
・Output selection (OM2)
Value Description
0xAA00 Self-Checking
0xAA01 Alarm
2

TC-Mi protocol

◆Frame Configuration
Start Command Data
STX n byte n byte
Command 1 Command 2
A (0x41) B (0x42) Start measurement
D (0x44) Stop measurement
ACK (0x06) Command received normally
-
M (0x4D) Output measured value
E (0x45) - Output error number
L (0x4C) O (0x4F) Read out offset adjustment value
Read out span adjustment value
S (0x53)
R (0x52) Read out measurement range
T (0x54) Read out signal output response time
U (0x55) Read out unit selection
A (0x41) Read out alarm level
a (0x61) Read out alarm timer
K (0x48) Read out output selection
P (0x50) Read out protocol
B (0x42) Read out baud rate
p (0x70) Read out parity
N (0x4E) Read out noise reduction setting
W (0x57) O (0x4F) Overwrite offset adjustment value
S (0x53) Overwrite span adjustment value
R (0x52) Overwrite measurement range
T (0x54) Overwrite signal output response time
U (0x55) Overwrite unit selection
(0x41) Overwrite alarm level
A
a (0x61) Overwrite alarm timer
(0x48) Overwrite output selection
K
P (0x50) Overwrite protocol
(0x42) Overwrite baud rate
B
p (0x70) Overwrite parity
(0x4E)
N Overwrite noise reduction setting
Caution
•Reset the power supply after changing protocol, baud rate or slave address or
parity. The settings do not change until power reset.
•When Alarm output is selected in Output selection, output is reversed.
◆Operation Details
◇Start measurement
byte0 1
Request command STX A
Step1 byte0
Normal response STX
Return ACK directly after receiving the request command normally.
(Return nothing unless the command can be received normally.)
End
CR
Description
2 3
B CR
1 2 3
A ACK CR
35