| Input |
1 point |
| Input type |
Universal; can be selected by software Input accuracy (at 23 ±2°C ambient temperature) |
| Thermocouple |
±2°C ±1 digit |
| RTD |
±1°C ±1digit |
| Voltage(mV, V) |
±0.3% ±1digit |
| Sampling period for measured value input |
500ms |
| Burn-out detection |
Functions for thermocouple or RTD input (burn-out upscale only; cannot be switched off) |
| Input resistance |
1MΩ or greater for thermocouple or DC mV input. Approx. 1MΩ for DC V input |
| Maximum allowable signal source resistance |
250Ω for thermocouple or DC mV input. 2kΩ for DC V input |
| Maximum allowable wiring resistance for RTD input |
10Ω/wire (The resistance values of three wires must be the same.) |
| Allowable input voltage |
±10V DC for thermocouple or DC mV input
±20V DC for DC V input |
| Noise rejection ratio |
Normal mode noise: Min. 40dB (50/60Hz)
Common mode noise: Min. 120dB (Min. 90dB for DC V input) |
| Error of reference junction compensation |
±1.5°C (at 15-35°C)
±2.0°C (at 0-50°C) |
| Applicable standards |
Thermocouple and resistance temperature detector(RTD) JIS/IEC/DIN (ITS90) |
| Output |
1 point |
| Output type |
Current output |
| Output signal |
4 to 20mA current output |
| Maximum load resistance |
600Ω |
| Output accuracy |
±0.3% of span (at 23±2°C ambient temperature) |
| Alarm types |
22 types |
| Alarm output |
2 relay contacts |
| Relay contact capacity |
1A at 240V AC or 1A at 30V DC (with resistance load) (COM terminal is common) |
| Output signal |
Measured value in 4-20mA DC, can be scaled. |
| Maximum load resistance |
600Ω |
| Output accuracy |
±0.3% of span (at 23±2°C ambient temperature) |
| Safety |
Compliant with IEC/EN61010-1 (CE), IEC/EN61010-2-030 (CE), approved by CAN/CSA C22.2 No.61010-1 (CSA), approved by UL61010-1.
Installation category: II
Pollution degree: 2
Measurement category: I (CAT I) (UL, CSA) O (Other) (CE)
Rated measurement input voltage: Max. 10 V DC
Rated transient overvoltage: 1500 V (*)
* This is a reference safety standard value for measurement category I of IEC/EN/CSA/UL61010-1. This value is not necessarily a guarantee of instrument performance. |
| EMC standards |
Complies with EN61326
The UD300 series manual setters conform to the standards specified under the following conditions. All wires except those for the power supply and relay contact output terminals are shielded. The controller does not fluctuate more than 20% even when noise is applied. |
| KC marking |
Electromagnetic wave interference prevention standard, electromagnetic wave protection standard compliance |
| Power Supply |
| Power supply |
Voltage |
Rated at 100-240VAC (±10%) AC/DC 24V, 20 to 29V of allowable range when "/V24" is specified. |
| Frequency |
50 or 60Hz |
| Maximum power consumption |
8VA max. (4W max.) 3W max. when "/V24" is specified. |
| Memory |
Non-volatile memory |
| Withstanding voltage |
Between primary terminals and secondary terminals (See Notes 1 and 3.) |
CE: 3000V AC for 1 minute (Between relay terminals and secondary terminals 1500V AC for 1 minute)
UL/CSA: 1500V AC for 1 minute (Note 2) |
| Insulation resistance |
Between primary terminals and secondary terminals (See Notes 1 and 3.) |
20MΩ or more at 500V DC |
Note 1: The primary terminals are the power supply terminals and alarm output terminals.
The secondary terminals are the analog input and output terminals.
Note 2: The withstanding voltage is specified as 2300 V AC per minute to provide a margin of safety.
Note 3: AC/DC 24V terminals are secondary terminals. |
|
| Construction |
Dust-proof and splash-proof front panel (compliant with IP65 [Model UD310] and IP55 [Models UD320 and 350]). Splash-proof construction is not available for side-by-side close mounting. |
| Casing |
ABS resin and polycarbonate |
| Case color |
Black |
| Weight |
UD310 - approx. 200g
UD320 - approx. 300g
UD350 - approx. 400g |
| Mounting |
Flush panel mounting |
| Wiring |
Screw terminals |
| Environmental Conditions |
| Warm-up time |
At least 30 minutes |
| Ambient temperature |
0-50°C (0-40°C when mounted side-by-side) |
| Rate of change of temperature |
10°C/h or less |
| Ambient humidity |
20-90% RH (no condensation allowed) |
| Magnetic field |
400A/m or less |
| Continuous vibrations of 5 to 14Hz |
Amplitude of 1.2mm or less |
| Continuous vibrations of 14 to 150Hz |
4.9m/s2 (0.5G) or less |
| Short-period vibrations |
14.7m/s2 (1.5G) for 15 seconds or less |
| Shock |
98m/s2 (10G) for 11 milliseconds or less |
| Mounting angle |
Upward incline of up to 30 degrees; downward incline is not allowed. |
| Altitude |
2000m or less above sea level |
| Thermocouple, DC mV and DC V input |
±2µV/°C or ±0.02% of F.S./°C, whichever is larger |
| Resistance temperature detector |
±0.05°C/°C |
| Analog output |
±0.05% of F.S./°C |
| Analog input |
±0.2µV/V or ±0.002% of F.S./V, whichever is larger |
| Analog output |
±0.05% of F.S. /V |
| Temperature |
–25 to 70°C |
| Humidity |
5 to 95% RH (no condensation allowed) |
| Shock |
Package drop height 90cm (when packed in the dedicated package) |