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Configuration and Use Manual 255
Specifications – Model 3350 and Model 3700
Diagnostics and Troubleshooting Specifications – Model 3350/3700Specifications – Model 3300/3500Measurement Performance Diagnostics and Troubleshooting Specifications – Model 3350/3700Specifications – Model 3300/3500Measurement Performance Diagnostics and Troubleshooting Specifications – Model 3350/3700Specifications – Model 3300/3500Measurement Performance Diagnostics and Troubleshooting Specifications – Model 3350/3700Specifications – Model 3300/3500Measurement Performance
B.5 Electrical connections
Two color-coded wiring compartments:
• Compartment with intrinsically safe terminal block has two 3/4-inch NPT or M20 × 1.5
conduit openings
• Compartment with non-intrinsically safe terminal block has three 3/4-inch NPT or M20 × 1.5
conduit openings
Input and output screw terminals accept 22 to 16 AWG (0,35 to 1,5 mm
2
) wires
Power screw terminals accept 18 to 12 AWG (0,75 to 4.0 mm
2
) wires
B.6 Inputs and outputs
B.6.1 Intrinsically safe input signals
One 4-wire Coriolis sensor signal input with ground (standard)
B.6.2 Non-intrinsically safe input signals
Frequency/pulse input
One 2-wire frequency/pulse input
• Frequency range: 0–20,000 Hz
• Minimum pulse width: 25 μsec
• Power: Sourcing or sinking
• Voltage: 0–0.8 VDC low state, 3–30 VDC high state
• Current: Nominal 5 mA pull-up
Discrete inputs
Two discrete, momentary inputs
• Pulse width: 0.15 sec minimum
• Voltage: 0–0.8 VDC low state, 3–30 VDC high state, dry contacts
B.6.3 Non-intrinsically safe output signals
Milliamp outputs
Two active 4–20 mA outputs
• Isolated to ±50 VDC from all other outputs and earth ground
• Maximum load limit: 1000 Ω
• Output is linear with process from 3.8 to 20.5 mA, per NAMUR NE43 (June 1994)