5
3.2 Example of Wiring:
In case of the Heating Furnace with voltage of 85～265V AC, Thermocouple Input and Relay Contact Output.
85～264V AC
Power Source
TTM-300 magnet Heating Furnace
Relay Contact Heater
NC
C
NO
Output Signal Line
Load line
Thermocouple
Input Signal Line
3.3 CAUTION AT WIRING CONNECTION
WARNING
・For prevention of electric shock, please do wiring connection only after turning off Power.
CAUTION
・This unit does not function for approx. 4 seconds after turning on Power.
(No function at Output side)
Please be cautious when this unit is used as Interlock circuit.
・For prevention of miswiring, please make sure to confirm the name labels i.e. Input terminal
Power source terminal and Option terminals etc. beside the each wire.
・The crimp terminals for wiring should be fit with the nuts of M3.5. As for the wiring to center terminal, use the
lead-wire and fasten on it.
・The wiring material to connect R.T.D. and this unit should be used the one having wire resistance less than 5Ω per
wire.
・The wiring material to connect Thermocouple and this unit should be used the specified extension leadwire of
thermocouple or leadwire itself.
・In case this unit should be used close to the noise generators, please use shield-wires.
Please do not wire the Input/Output lines inside of the same duct and the pipes of electric wires.
・ The signal wire of Input/Output should be away from power supply and loaded lines at least 50cm.
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