4. Wiring
Warning
Turn the power supply to the instrument off before wiring or checking.
Working on or touching the terminal with the power switched on may result
in severe injury or death due to Electric Shock.
Moreover, the instrument must be grounded before the power supply to the
instrument is turned on.
4.1 Terminal arrangement
(Fig. 4.1-1)
• OUT1 : Control output 1
• OUT2 : Control output 2
• RELAY : Relay contact output
• V/A
• A1
• A2
• HB
• RS-485: Serial communication
• SV2
• CT
• TC
• RTD
• DC
12
(Heating output)
(Cooling output)
: Non-contact voltage
output/DC current output
: Alarm 1 output
: Alarm 2 output
: Heater burnout alarm
output
: 2nd SV
: CT input
: Thermocouple
: Resistance
temperature detector
: DC current or
DC voltage
For DC current input,
50
shunt resistor
(AKT4810, sold
separately) must be
connected between
input terminals.