General Environmental Specifications (Applicable to all models)
Operating Temperature: -10 to +60°C
Storage Temperature: -40 to +70°C
Humidity: 5 - 90% RH (no frost)
Vibration Resistance: IEC60068-2-6 (0.075mm Amplitude / 1G Acceleration)
Impact Resistance: IEC60068-2-28 (15g peak, 1ms duration)
Installation: IP20, Direct or DIN Rail Mount (TS35 - 35mm)
Noise Resistance:
ESD: ±4kV
Air Discharge: ±8kV
EFT: Power AC: ±2kV, DC: ±1kV
CS: 0.15-80mHz 10V/m
RS: 80-1000mHz 10V/m
EMI: EN55011 Class B
Approvals: CE, UL, cUL
RTC Clock Accuracy: Max. 6 minutes/month, 1 Farad Capacitor for 200hr run-on after power-down
Dimensions and Weight
AC Models: 72x90x59.6mm (230g) / 126x90x59.6mm (335g)
DC Models: 72x90x59.6mm (220g) / 126x90x59.6mm (345g)
Expansion Units: 38x90x59.6mm (150g)
Power Supply and Consumption
AC Models: 85-265VAC, 19.6-28.8VAC (24V), 3.2W
DC Models: 19.6-28.8VDC (24V), 10.2-13.8VDC (12V), 12W
Expansion Units: Same as equivalent Base Unit, 1W
Input Specifications
Input Threshold:
AC Models: ON: >79VAC, OFF: <40VAC
DC Models: ON: >15VDC, OFF: <5VDC
Input Current:
AC Models: 1.3mA
DC Models: 3.2mA
Input Impedance:
AC Models: 200kΩ
DC Models: 8kΩ
Input Response Time:
AC Models: 50-90ms (240-120VAC)
DC Models: 3.5ms
Input Max. Voltage:
AC Models: 260VAC
DC Models: 30VDC
High-Speed Input (Hz): DC Models: 1000 (I1), 500/500 (I1/I2)
Standard Input (Hz): DC Models: <40
Output Specifications
Max. Digital Output Current:
AC Models: Relay: 8A (Resistive), 2A (Inductive)
DC Models: Relay: 8A (Resistive), 2A (Inductive), Transistor: 0.5A (Resistive), 0.2A (Inductive)
Min. Digital Output Current:
AC Models: 16.7mA
DC Models: 0.2mA
PWM Transistor Output (Hz): DC Models: 500 (1ms ON, 1ms OFF)
Relay Life (No Load): 10 million operations
Analog Specifications
Analog Input Range: 0.00 to 9.99V
Analog Input Resolution: 12 bit nominal (0.01V)
Analog Input Impedance:
24VDC Models: 45kΩ
12VDC Models: 22.5kΩ
RTD Input Range: -100 to +600°C
RTD Input Resolution: 0.1°C
RTD Excitation Current: 0.33mA
Analog Output Range: 0-10V, 4-20mA
Analog Output Resolution: 0.01V, 0.01mA
Program Specifications
Program Size: 1200 Steps (300 Lines of Ladder), 260 Function Blocks
Specific Model Example: SMT-BD-R20-V3
Model: SMT-BD-R20-V3
Power: 24VDC
Digital Inputs: 12 DC*1
Digital Outputs: 8 (8A Relay)
Analog Inputs: 4 (0-10V)
Analog Outputs: None
HMI: No
Comments: 2 High-Speed Inputs (up to 1kHz)