Technical SpecificationsModel: 1756-OF4Outputs: 4 voltage or currentOutput range: ±10V; 4...20 mAResolution: Voltage: 15 bits across 10.5V, 320 ?V/bit; Current: 15 bits across 21mA, 650 nA/bit Current draw @ 5.1V: 150 mACurrent draw @ 24V: 210 mATotal backplane power: 5.8 WPower dissipation, max: 3.25 W, 4 channel currentThermal dissipation: 10.91 BTU/hrOpen circuit detection: Current output only (Output must be set to >0.1 mA)Overvoltage protection: 24V DCShort circuit protection: Electronically current limited to 21 mA or lessDrive capability: Voltage: >2000 O; Current: 0·50 OSettling time: < 2 ms to 95% of final value with resistive loadsCalibrated accuracy 25 ?C (77 ?F): Better than 0.05% of range from 4...21 mA, -10.4 10.4VCalibration interval: 12 months typicalOffset drift: 50°V/ °C; 100 nA/°C Gain drift with temperature: Voltage: 25 ppm/°C, 520 °V/°C; Current: 50 ppm/°C, 1050 °A/°C Module error: Voltage: 0.15% of range; Current: 0.3% of rangeModule input scan time, min: 12 ms floating point; 8 ms integerData format: Integer mode (left justified, 2s complement) IEEE 32-bit floating pointModule conversion method: R-Ladder DAC, monotonicity with no missing codesIsolation voltage: 250V (continuous), reinforced insulation type, output channels-to-backplane; No isolation between individual output channels; Routine tested at 1350V AC for 2 sModule keying: Electronic, software configurableRTB keying: User-defined mechanicalSlot width: 1Wire category: 2¹North American temperature code: T4AIEC temperature code: T4Enclosure type: None (open-style)NOTE:Use this conductor category information for planning conductor routing as described in the system-level installation manual.
