| SPECIFICATIONS |
| Signal Input |
| Resolution | 18 bits |
| Sampling Rate | 5 times / second |
| Maximum Rating | -2 VDC minimum, 12 VDC maximum( 1 minute for mA input ) |
| Temperature Effect | ±1.5 uV/ °C |
| Sensor Lead Resistance Effect | T/C: 0.2uV/ohm
3-wire RTD: 2.6 °C/ohm of resistance difference of two leads
2-wire RTD: 2.6 °C/ohm of resistance sum of two leads |
| Burn-out Current | 200nA |
| Common Mode Rejection Ratio ( CMRR ) | 120dB |
| Sensor Break Detection | Sensor open for TC, RTD and mV inputs,
below 1 mA for 4-20 mA input,
below 0.25V for 1 - 5 V input, unavailable for other inputs. |
| Sensor Break Responding Time | Within 4 seconds for TC, RTD and mV inputs,
0.1 second for 4-20 mA and 1 - 5 V inputs. |
| Event Input |
| Logic Low | Logic -10V minimum, 0.8V maximum. |
| Logic High | 2V minimum, 10V maximum. |
| Functions | Remote reset, remote lockout. |
| Output 1 / Output 2 |
| Relay Rating | 2A/240 VAC, life cycles 200,000 for resistive load |
| Pulsed Voltage | Source Voltage 5V, current limiting resistance 66O |
| Triac ( SSR ) Output |
| Rating | 1A / 240 VAC |
| Inrush Current | 20A for 1 cycle |
| Min. Load Current | 50 mA rms |
| Max. Off-state Leakage | 3 mA rms |
| Max. On-state Voltage | 1.5V rms |
| Insulation Resistance | 1000 Mohms min. at 500 VDC |
| Dielectric Strength | 2500 VAC for 1 minute |
| Data Communication |
| Interface | RS-232 ( 1 unit ), RS-485 ( up to 247 units ) |
| Protocol | Modbus Protocol RTU mode |
| Address | 1 - 247 |
| Baud Rate | 0.3 ~ 38.4 Kbits/sec |
| Data Bits | 8 bits |
| Parity Bit | None, Even or Odd |
| Stop Bit | 1 or 2 bits |
| Communication Buffer | 50 bytes |
| User Interface |
| 4-digit LED Displays | 0.4" (10mm), |
| Keypad | 4 keys |
| Programming Port | For automatic setup, calibration and testing |
| Communication Port | First order |
| Digital Filter |
| Function | First order |
| Time Constant | 0, 0.2, 0.5, 1, 2, 5, 10, 20, 30, 60 seconds programmable |
| Environmental & Physical |
| Operating Temperature | -10°C ~ 50°C |
| Storage Temperature | -40°C ~ 60°C |
| Humidity | 0 to 90 % RH ( non-condensing ) |
| Insulation Resistance | 20 Mohms min. ( at 500 VDC ) |
| Dielectric Strength | 2000 VAC, 50/60 Hz for 1 minute |
| Vibration Resistance | 10 - 55 Hz, 10 m/s² for 2 hours |
| Shock Resistance | 200 m/s2( 20 g ) |
| Moldings | Flame retardant polycarbonate |
| Dimensions | 48mm(W) X 48mm(H) X 94mm(D), 86 mm depth behind panel |
| Weight | 150 grams |
| Approval Standards |
| Safety | FM Class 3545 (Oct. 1998), UL873 ( 11'th edition, 1994 ) , CSA C22.2 No. 24-93 , EN61010-1 (IEC1010-1) |
| Protective Class | IP30 front panel, indoor use,
IP20 housing and terminals ( with protective cover) |
| EMC | EN61326 |
