Wiring; Terminal Arrangement; Lead Wire Solderless Terminal; Wiring Of Heater Burnout Alarm - Panasonic KT4H User Manual

5. Wiring

Warning
Turn the power supply to the instrument off before wiring.
Working on or touching the terminal with the power switched on may result in severe injury
or death due to Electric Shock.

5.1 Terminal arrangement

When using a Terminal cover (AKT4H801), refer to Section "3.4 Note when using a Terminal cover (AKT4H801)" on p.8.

5.2 Lead wire solderless terminal

Use a solderless terminal with an insulation sleeve in which an M3 screw fits as shown below.
The torque is approximately 0.63N•m.
Solderless
terminal
Nichifu Terminal Industries CO.,LTD.
Y type
Japan Solderless Terminal MFG CO.,LTD.
Round type Nichifu Terminal Industries CO.,LTD.
Japan Solderless Terminal MFG CO.,LTD.
5.3 Wiring of Heater burnout alarm (Option: Single phase, 3-phase)
This alarm is not usable for detecting heater current under phase control.
Use the current transformer (CT) provided, and pass one lead wire of the heater circuit into the hole of
the CT. (Fig. 5.3-1)
When wiring, keep the CT wire away from AC sources or load wires to avoid the external interference.
In the case of 3-phase, pass any 2 lead wires of R, S, T into the CT, and connect them with CT1 (13, 14)
and CT2 terminals (14, 15). (Fig. 5.3-2)
Solder the CT and wires connected to the CT input terminals. (There is no polarity.)
ＣＴ
Heater
(Fig. 5.1-1)
Manufacturer
ø
3.2mm
(Fig. 5.2-1)
(13)
CT1 input terminals
(14)
Power
supply
Solder the CT and wires connected
to the CT input terminals. (There
is no polarity.)
(Fig. 5.3-1)
• EVT1 : Alarm 1 output
• EVT2 : Alarm 2 output (option) or
Heater burnout alarm output (option)
(Utilize common output terminals.)
• OUT1 : Control output or Heating output (option)
• OUT2 : Cooling output (option)
• TC : Thermocouple input
• RTD : Resistance temperature detector input
• DC : DC current, DC voltage input
(For DC voltage input, + side
terminal number differs depending
on the voltage.)
For DC current input, 50
(AKT4810, sold separately) must be
connected between input terminals.
• CT1 : Current transformer input 1
(Option: Single phase, 3-phase)
• CT2 : Current transformer input 2
(Option: 3-phase)
• DI : Contact input (option)
• RS-485: Serial communication RS-485 (option)
Model
TMEV1.25Y-3
VD1.25-B3A
TMEV1.25-3
V1.25-3
3.2mm
10
shunt resistor
Tightening torque
0.63N•m
R
Pass any 2 wires of R, S and T
S
into CT.
T
(Fig. 5.3-2)