AO895 Article Details

• Article Number: 3BSC690087R1（AO895）
• Type: Analog Output
• Channels: 8 channels
• Signal Type: Unipolar single ended, 4...20 mA
• HART: Supported

Technical Specifications

• Resolution: 12 bit
• Isolation: Groupwise isolated from ground
• Under/Over Range: 2.5 / 22.4 mA
• Output Load:
  • <725 ohms @ 20 mA
  • <625 ohms @ 22 mA
• Error: Typ. 0.05%, Max. 0.1% @ 650 ohms
• Temperature Drift: Typ. 50 ppm/°C, Max. 100 ppm/°C
• Rise Time: 30 ms (10% to 90%)
• Current Limiting: Short circuit proof
• Rated Insulation Voltage: 50 V
• Dielectric Test Voltage: 500 V AC

Power and Consumption

• Power Dissipation: 4.25 W
• Current Consumption:
  • +5 V Modulebus: Typ. 130 mA
  • +24 V External: Typ. 250 mA, Max. <330 mA

Diagnostics and Control

• Front LEDs: F(ault), R(un), W(arning), O(SP), Tx (HART)
• Supervision: Internal process supply, Open wire if > 1 mA is set

Environmental and Safety

• Operating Temperature: 0 to +55 °C (+32 to +131 °F)
• Storage Temperature: -40 to +70 °C (-40 to +158 °F)
• Humidity: 5 to 95 % non-condensing
• Protection Class: IP20
• EMC Compliance: EN 61000-6-4 and EN 61000-6-2

Certifications and Compliance

• CE Mark: Yes
• Electrical Safety: EN 61010-1, EN 61010-2-201
• Hazardous Location: ATEX/IECEx Zone 2, cFMus C1, Div 2/Zone 2
• RoHS & WEEE Compliance: Yes

Dimensions and Weight

• Dimensions: 45 mm (W) x 102 mm (D) x 119 mm (H)
• Weight: 0.2 kg (0.44 lbs.)

Intrinsic Safety Parameters

• U0 (Groups CENELEC USA): IIC
• I0 (Groups CENELEC USA): IIB
• P0 (Groups CENELEC USA): IIA
• Capacitance and Inductance Values: Provided for each safety group

Compatibility and Integration

• Compatible with MTU Models: TU890, TU891, TU891Z
• Keying Code: AF