Endress+Hauser Proline 100 Modbus RS485 Brief Operating Instructions page 12

Electrical connection
Connecting cable between Safety Barrier Promass 100 and measuring device
Cable type
Maximum cable resistance
Comply with the maximum cable resistance specifications to ensure the operational
reliability of the measuring device.
Wire cross-section
[mm 2 ]
0.5
0.75
1.0
1.5
2.5
Cable diameter
• Cable glands supplied:
M20 × 1.5 with cable ⌀ 6 to 12 mm (0.24 to 0.47 in)
• Spring terminals:
Wire cross-sections 0.5 to 2.5 mm
• With Safety Barrier Promass 100:
Plug-in screw terminals for wire cross-sections0.5 to 2.5 mm
5.1.3 Terminal assignment
The terminal assignment for the electrical connection of the device can be found on the
connection nameplate of the electronics module.
In addition, the device version with Modbus RS485 is supplied with the Safety Barrier Promass
100 whose nameplate also bears information on the terminals.
Transmitter
12
Shielded twisted-pair cable with 2x2 wires. When grounding the cable shield, observe
the grounding concept of the plant.
2.5 Ω, one side
[AWG]
20
18
17
16
14
2 (20 to 14 AWG)
Proline 100 Modbus RS485
Maximum cable length
[m]
70
100
100
200
300
2 (20 to 14 AWG)
[ft]
230
328
328
656
984
Endress+Hauser