<1. GENERAL>
1-3
IM 12T03A01-02E
Output signal:
Analog output: 4 to 20 mA DC (load resistance 550 Ω or less), and 0 to 1 V DC
(load resistance 250 kΩ or more), isolated output.
Density
(g/cm
3
) after conversion to the reference temperature
Digital output: RS-232C
(1) Communication specifications
• Asynchronous system
Start bit; 1 bit, Stop bit; 2 bit, Parity; none
• Baud rate; 1200 bps
• Data format; ASCII, Data length; 8 bit
• Wiring system; Two-wire system (output only)
(2) Output signal
• Transmitting contents
Measured data; Density (g/cm
3
) after conversion to the reference temperature, density (g/
cm
3
) at the measured temperature, measured liquid temperature (°C)
Calibration state; calibration start, error No., calibration end
Failure alarm; error No.
• Signal level
Output voltage; ON; 6 ± 1 V, OFF; -6 ± 1 V
Output impedance; 300 Ω
• Output format
Measured data
space
space
# * . * * * * _ * . * * * * _ * * * . *
C
R
L
F
(Note): Data are output in the order of density (data converted into that at a reference temperature), density (at measuring temperature),
and measuring liquid temperature. Hold data (data immediately before entering the mode) is output during the time of calibration
or maintenance mode. However, holding is released immediately after calibration or maintenance mode.
Calibration status
space
# CALIBRATION _ START
C
R
L
F
(Note): Nothing is output during calibration. However, when a parameter error occurs, output becomes as follows.
# ERROR - *
C
R
L
F
(*: 5 or 6)
space
# CALIBRATION _ END
C
R
L
F
(Note): If the function No. key is pressed during calibration, calibration is canceled, and the output becomes as follows.
space
# CALIBRATION _ CANCEL
C
R
L
F
Fail alarm
space
# ERROR - * _ ERROR - *
C
R
L
F
(Note): When multiple errors occur, each error No. for the respective errors is output.
space
Example: # ERROR - 1 _ ERROR - 3
C
R
L
F
5th Edition : Dec. 11, 2015-00
Содержание vigilantplant DM8
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