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220V Series Single-Phase
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model
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WT-404
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WT-904
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WT-707
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WT-409
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WT-909
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Standar Spec
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Dimension
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48x48mm
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96x48mm
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72x72mm
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48x96mm
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96x96mm
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Supply voltage
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AC 85-265V , DC24V(option)
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Frequency
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50/60Hz
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Power Consumption
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approximately 3VA
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approximately 4VA
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approximately 3VA
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approximately 4VA
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approximately 4VA
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Memory
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Non-volatile E2 RPOM
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input
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Measurement input, Sample time:250ms
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TC
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K, J , R , S , B , E , N , T , W , PL2, U , L ,
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PID
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PT100 , JPT100 , JPT50
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mA dc
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4-20mA , 0-20mA
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Voltage dc
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0-1V , 0-5V , 0-10V , 1-5V , 2-10V , -10-10mV , 0-10mV , 0-20mV , 2-50mV , 10-50mV
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DP P osition
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0000 , 000.0 , 00.00 , 0.000 (available for mA or Voltage dc input）
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Output
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Main control output (HEAT mode or COOL mode)
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Relay
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SPST type
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SPDT type
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3A , 220V ,electrical life ：100,000 time or more(under the rated load).
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Voltage Pulse
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For SSR drive. ON:24V, OFF:0V, maximum load current :20mA.
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mA dc
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4-20mA , 0-20mA , maximum load resistance:560Ω
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Voltage dc
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0-5V , 0-1V , 1-5V , 2-10V , maximum load current:20mA
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Alarm1
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SPST type
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SPDT type
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SPST type
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SPDT type
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SPDT type
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3A, 220V: electrical life: 100,000 times or more (under the rated load)
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Control algorithms
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PID , P , PI , PD , ON/OFF(P=0) , FUZZY
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PID range
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P:0-200% , I:0-3600 Secs, D:0-900 Secs
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Accruacy
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0.2% of FS
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Isolation
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Output terminal (control output, alarm, transmission) and input terminal are isolated separately
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Isolated resistance
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10MΩor more between input terminals and case(ground)at DC500V / 10MΩor more between output terminals and case(ground)at DC500V
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Dielectric strength
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1000V AC for 1 minute between input terminals and case (ground) / 1500V AC for 1 minute between output terminals and case (ground)
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Operating temperature
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0-50℃
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Humidity range
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50-85% RH
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Weigh(g)
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approx150g
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approx 225g
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approx 225g
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approx 225g
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approx 300g
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Display Height
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PV:7mm/SV:14mm
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PV:7mm/SV:7mm
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PV:14mm/SV:10mm
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PV:7mm/SV:7mm
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PV:14mm/SV:10mm
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Optional Spec.
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RAMP/SOAK Program
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2 Patterns with 8 segments each. The 2 patterns can be linked together as 16 segments use.
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Output 2
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For heating and cooling control use.
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Relay
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SPST type
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Voltage Pulse
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For SSR drive.ON:24V, OFF:OV ,maximum load current:20mA
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mA dc
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4-20mA , 0-20mA , maximum load resistance:560Ω
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Voltage dc
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0-5V , 0-1V , 1-5V , 2-10V , Maximum load current:20mA.
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Alarm 2
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SPST type
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SPDT type
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Alarm 3
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x
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SPST type
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Heater Break Alarm(HBA)
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Display Range of Heater Current :0.0~99.9A, Accuracy :1%FS
Included CT: SC-80-T(5.8mm dia, 0.0~80.0A) or SC-100-T (12mmdia, 0.0~99.9A)
Alarm Relay : AL1
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Transmission
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Available for PV or SV transmission
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mA dc
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4-20mA , 0-20mA , maximum load resistance:560Ω
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Voltage dc
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0-5V , 0-1V , 1-5V , 2-10V , maximum load current:20mA
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Remote SV Input
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4~20mA, 0~20mA, 0~5V, 0~10V, 1~5V, 2~10V are available
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Communicatio
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Protocol:MODBUS, RS232 , RS485 , TTL
Interface:RS232 , RS485 , TTL
Baudrate:38400,19200,9600, 4800 , 2400 bps
Data bit:8,Start bit:1,Stop bit:1or2,Odd or Even parity
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Water Proof/Dust Proof
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IP65
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Tiếng anh 
