4 analog input/output channels, RS-485 | ||
Input/output channels | ||
Number of channels | 4 | |
Operation mode | resistance measurement; analog signal output (current/voltage) | |
Connection type | two-wire, three-wire, four-wire | |
Operation in the thermal resistance measurement mode | ||
Temperature range, °C | -50…250 | |
Basic absolute error | 0,20% | |
Plug-in resistance thermometers | Pt 100, Pt 1000 | |
Operation in the thermal resistance measurement mode | ||
Galvanic isolation between channels, kV | 2,5 | |
DAC bits | 12 | |
Load impendance, min., kOhm | 2 | |
Output value ranges o in current output mode, mA | 0 ÷ 24, 0 ÷ 20, 4 ÷ 20 | |
Output value ranges o in voltage output mode, V | from 0 to 5, from 0 to 10, from -5 to +5, from -10 to +10 | |
RS-485 interface | ||
Ports | 1 | |
Baud rate, bit/s: | up to 115,200 | |
RS-485 interface communication protocol | IEC 870-5-101, Modbus RTU | |
Power supply | ||
Number of channels | 2 | |
Power supply voltage | 24 (9 - 63) V | |
Power consumption (at 24 V) | 3 VA | |
Design | ||
Case | IP 20 plastic | |
Mounting | DIN rail 35 mm | |
Overall dimensions (WxHxD) | 22.5 x 99 x 117 | |
Weight, kg | 0,3 | |
Reliability | ||
Mean time between failures, h | 140,000 hours | |
Average lifetime | 30 years | |
Operating environment: | ||
Ambient air temperature, 0С | -40 to +70 | |
Average humidity (non-condensing), % | 5 ÷ 95 at 30 °C | |
Air pressure, kPa | 60 ÷ 106.7 |