Electrical connection Proline Promass F 500 Modbus RS485
38 Endress+Hauser
Current output 0/4 to 20 mA
Standard installation cable is sufficient.
Pulse/frequency/switch output
Standard installation cable is sufficient.
Double pulse output
Standard installation cable is sufficient.
Relay output
Standard installation cable is sufficient.
Current input 0/4 to 20 mA
Standard installation cable is sufficient.
Status input
Standard installation cable is sufficient.
Cable diameter
• Cable glands supplied:
M20 × 1.5 with cable ⌀ 6 to 12 mm (0.24 to 0.47 in)
• Spring terminals:
Conductor cross-section0.2 to 2.5 mm
2
(24 to 12 AWG)
Connecting cable for sensor - transmitter: Proline 500 – digital
Non-hazardous area, Ex Zone 2, Class I, Division 2
Standard cable
A standard cable can be used as the connecting cable.
Standard cable 4 cores (2 pairs); twisted pair with common shield
Shielding Tin-plated copper-braid, optical cover ≥ 85 %
Loop resistance Power supply line (+, –): maximum 10 Ω
Cable length Maximum 300 m (1 000 ft), see the following table.
Cross-section Cable length
0.34 mm
2
(AWG 22) 80 m (270 ft)
0.50 mm
2
(AWG 20) 120 m (400 ft)
0.75 mm
2
(AWG 18) 180 m (600 ft)
1.00 mm
2
(AWG 17) 240 m (800 ft)
1.50 mm
2
(AWG 15) 300 m (1 000 ft)
Optionally available connecting cable
Standard cable
2 × 2 × 0.34 mm
2
(AWG 22) PVC cable with common shield (2 pairs, twisted
pair)
Flame resistance According to DIN EN 60332-1-2
Oil-resistance According to DIN EN 60811-2-1
Shielding Tin-plated copper-braid, optical cover ≥ 85 %
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