| Supply voltage |
+8 to +16 V DC; typ. +12 V |
| Power consumption (at 12 V) |
|
| active, taking measurements |
approx. 50 mA (max. 1 min. per sensor and measurement interval) |
| active, no measurements |
approx. 30 mA |
| sleep, special inputs active |
approx. 1.5 mA |
| sleep, clock only mode |
approx. 0.4 mA |
| Data storage |
1 MB (optional 4 MB) for approx. 100,000 measured values; non-volatile ring memory (no loss of data in case of voltage failure) |
| Over-voltage protection |
integrated; voltage life of all inputs up to 36 V DC; all inputs and outputs are EMV protected to valid norms |
| Display graphic design |
dot matrix 122 x 32 pixel |
| |
|
| Inputs |
|
| Number of physical input channels |
8; 16 with expansion board |
| Pulse inputs (terminal G and H) |
|
| frequency |
(max. 50 Hz) |
| debouncing |
0 ms |
| pulse time |
10 ms |
| Voltage inputs (5 V /10 V) |
|
| Ri for GND-related voltages |
4 MOhm |
| Ri for floating voltages |
> 100 MOhm |
| accuracy |
0.1 % of scale max. |
| resolution |
1 mV |
| Current input (0(4) … 20mA) |
|
| Ri |
typ. 400 Ohm |
| accuracy |
0.1 % scale max. |
| resolution |
1 µA |
| Pt 100 |
|
| accuracy |
+/- 0.1 K (without cable) |
| resolution |
0.01 K |
| measuring range |
-30 °C … +85 °C |
| Digital input |
RS232-*; RS485-*; SDI-12-interface (* OTT protocol) |
| Max. current |
25 mA (supply of sensors) |
| |
|
| Outputs |
|
| Current output |
4 to 20 mA |
| Relay outputs bounce-free |
|
| Max. current |
800 mA |
| |
electronic short circuit protection with automatic identification |
| Voltage outputs |
|
| +5 V |
1 A |
| Vbat |
looped voltage supply |
| -12 V |
100 mA |
| |
|
| Dimensions L x W x H |
8.5 x 5.6 x 1.9 in. |
| Weight |
approx. 1 lb. |
| Housing |
made of ABS |
| Protection |
IP 30 |
| Temperature range |
-22 °F to 158 °F |
| Acceptable air humidity |
10 to 90 %; no condensation |
