Consort T871, Руководство пользователя

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T871 • T872 T871 • T872
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Inputs
T871:
Connect the temperature probes with the terminal blocks and insert them in the
instrument. The channel numbers start from the left to the right (backview).
The even numbers are the negative poles. The uneven numbers are the positive
poles. Important: connect the earth terminal to the earthing to avoid ground loop
errors!
T872:
Connect the temperature probes with the terminal blocks
and insert them in the instrument. The channel numbers
start from the left to the right (backview).
Recorder output
A recorder can be connected to the red (+) and black (-) terminals. Use only labora-
tory recorders with a high input impedance!
Digital output
A standard RS232 output terminal (DP9) is provided for interfacing the instru-
ment with a printer or computer. Data is sent in the ASCII code at a BAUD rate of
300...19200 bps (8 bit, no parity, 1 stopbit).
Serial port pinout specifications:
pin 1: connected to pin 4 and pin 6
pin 2: TxD, transmit data
pin 3: RxD, receive data
pin 4: connected to pin 1 and pin 6
pin 5: Gnd, signal ground
pin 6: connected to pin 1 and pin 4
pin 7: connected to pin 8
pin 8: connected to pin 7
pin 9: not connected
System
1. Select the menu by pressing MODE .
2. Select [SYSTEM] and press CAL .
3. Follow the instructions on the screen to adjust language, contrast, date and
time.
Password
1.
Select the menu by pressing
MODE
.
2.
Select [PASSWORD] and press
CAL
.
3.
A private code can be programmed to avoid undesired access to the instru-
ment. Choose [YES] and press
CAL
to enter your secret sequence of 5 keys.
Recorder
1.
Select the menu by pressing
MODE
.
2.
Select [RECORDER] and press
CAL
.
3.
Select the desired channel and press
CAL
.
4.
Select the desired minimum level corresponding to a 0 V recorder output and
press
CAL
.
5.
Select the desired maximum level corresponding to a 2 V recorder output and
press
CAL
.