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Analog outputs (4ao – optional module), Figure 17: 6ro connection, Table 2: 4ao – output curent setting – SATEC EM920 Installation Manual User Manual

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Chapter

14

Relay Outputs (6RO – optional module)
The 6RO module consists of: four FORM C (SSR) and two FORM A (EMR) relay outputs.
To install the 6RO module follow instructions:

1) Remove the plastic cover
2) Remove the body shield
3) Plug-in the module in the I/O slot and attach it to bracket using the two screws
4) Connect the 6RO cable and pass it through the device base window cables
5) Mount back the body shield
6) Mount back the plastic cover

The 6RO module is factory or Meter Shop plugged-in at the I/O slot

External control loads can be connected to the contacts relay as shown in Figures 15.
For ratings, see Appendix: Technical Specifications

Figure 17: 6RO Connection

Analog Outputs (4AO – optional module)

The EM920 analog output (AO) expansion module provides:

• 4 optically isolated analog outputs with an internal power supply;

• Options for 0-20mA, 4-20mA, 0-1mA, and ± 1mA output; 1-cycle update time.

To install the 4AO module follow instructions:

1) Remove the plastic cover
2) Remove the body shield
3) Set SW1 and SW2 for the proper Analog Output current according

to following table

Analog Output
Current

SW1
setting

SW2
setting

1

2

1

2-5

± 1mA

ON

ON

OFF

OFF

0-20mA OFF

ON

ON

ON

0-1mA OFF

OFF

ON

OFF

4-20mA ON

OFF

ON

ON

Table 2: 4AO – Output Curent setting

4) Plug-in the module in the I/O slot and attach it to bracket using the two screws

5) Connect the 4AO cable and pass it through the device base window cables
6) Mount back the body shield

7) Mount back the plastic cover

The 4AO module is factory or Meter Shop plugged-in at the I/O slot
For ratings, see Appendix: Technical Specifications