Phoenix Contact ECM-UC-100A-UI Handleiding (80 Pagina's)

Handleiding

ECM – multifunctional current measuring transducers

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Table 3-2 Connection assignment for ECM-UC-10(0)A-MRTU

Connection

terminal block

Signal Description

2.1 +24V Operating voltage

2.2 +24V Operating voltage

2.3 GND1 Reference ground for operating voltage

2.4 GND1 Reference ground for operating voltage

3.1 ... 3.4 Not used

4.1 120 Ω Modbus/RTU: Termination resistor

4.2 A+ Modbus/RTU

4.3 B- Modbus/RTU

4.4 GND2 Modbus/RTU

5.1 ... 5.4 Not used

Terminal blocks 6.1 ... 6.4 only apply to ECM-UC-10A-MRTU

6.1 0.1 A/1 A Input for current measurement range

6.2 5 A Input for current measurement range

6.3 10 A Input for current measurement range

6.4 GND Reference ground for inputs for current measure-

ment ranges

• Bridge the terminal blocks 4.1 and 4.2 to activate the integrated 120 Ω resistor

• The inverted signal can have the following designations: B, -, B-, TxD-/RxD-, D-

• The non-inverted signal can have the following designations:

A, +, A+, TxD+ / RxD+, D+

Use shielded, twisted cables in your network as well as termination resistors

and a bias network to enable secure communication even during interference.

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