Installation - Endress+Hauser RIA452 Mode D'emploi

Technical data
Hysteresis:
• 0 to 99%
Signal source:
• Analog input signal
• Integrated value
• Digital input
Number:
• 4 in basic unit (can be extended to 8 relays, option)
Electrical specifications:
• Relay type: changeover
• Relay switching capacity: 250 V AC / 30 V DC, 3 A
• Switch cycles: typically 10
• Switching frequency: max. 5 Hz
• Minimum switching load: 10 mA / 5 V DC
Galvanic isolation towards all other circuits
!
Note! Assignment:
Mixed assignment of low and extra-low voltage circuits is not permitted for neighboring relays.
10.2.6 Transmitter power supply
Transmitter power supply 1, terminal 81/82 (optionally intrinsically safe):
Electrical specifications:
• Output voltage: 24 V ± 15%
• Output current: max. 22 mA (at U
• Impedance: ≤ 345 Ω
Approvals:
• ATEX
• FM
• CSA
Transmitter power supply 2, terminal 91/92:
Electrical specifications:
• Output voltage: 24 V ± 15%
• Output current: max. 250 mA (sustained short-circuit proof)

10.3 Installation

10.3.1 Installation instructions
Mounting location
Panel, cutout 92 x 92 mm (3.62x3.62 inch) (see 'Mechanical construction').
Orientation
Horizontal +/- 45° in every direction
148
5
≥ 16 V, sustained short-circuit proof)
out
RIA452
Endress+Hauser