Toshiba TCS-NET Service Manual page 10

TCS-NET General Purpose Interface
4-4. Temperature measurement can not be measured
Temperature
measurement can
not be measured
4-5. A relay contact cannot be controlled from the center
controller
RO1, RO2, RO3,
and RO4 cannot be
controlled
Is the specified thermistor
connected to AI3 or AI4
correctly?
YES
Connect the DYNA KIT to CN5.
Set SW2 as follows: 1 and 4 to
ON; 2 and 3 to OFF. Press
RESET SW7. Test mode is
enabled. Start the
communication software on the
PC, and display the
communication log in ASCII
format. The calculated
resistance value of the
thermistor connected to AI3/4 is
displayed at intervals of 1
second. Check that the value is
correct by comparing it to the
specified value.
YES
Are the TCB-IFMB640TLE and
Modbus Master operating
normally?
Is the board operating normally
in test mode?
To enable test mode, set SW2
as follows: 1 and 4 to ON; 2
and 3 to OFF.
The D23, D24, D25, and D26
LEDs must be turned ON/OFF
according to whether each bit
of SW1 is ON or OFF.
YES
Can the output pattern of RO1
and RO2 be set with SW5-1, 2,
and 3?
YES
Are the TCB-IFMB640TLE and
Modbus Master operating
normally?
10
Service Manual
NO
Connect it correctly.
NO
Replace the wire with a
shielded one, or avoid
induction from other wires.
Check the operation of the
NO
TCB-IFMB640TLE and
Modbus Master.
For details, see the manual of
each device.
NO
Replace the product.
NO
Replace the product.
Check the operation of the
NO
TCB-IFMB640TLE and
Modbus Master.
For details, see the manual of
each device.