Hold Display Function Setting; Low-Voltage Emulation Setting - NEC IE-784937-NS-EM1 User Manual

3.4.4 Hold display function setting

The IE-784937-NS-EM1 lights the LED during hold to indicate the status. The hold display function can be
selected by setting 6 of the DIP switch (SW1).
Hold (HOLD) status not displayed (initial setting)
Hold (HOLD) status displayed
Caution When using the P66 pin as a port, set the DIP switch to OFF. Otherwise, the LED may be
lit.

3.5 Low-Voltage Emulation Setting

Low-voltage emulation is possible in the IE system.
When the target system is operating on low voltage, supply the same voltage as the target system to the TP1
terminal pin of the IE-784937-NS-EM1. Set the target voltage between 2.7 and 5.5 V during 6.29 MHz operation and
between 4.5 and 5.5 V during 12.58 MHz operation.
• Maximum current consumption of TP1
5 V 300 mA
. .
. .
. .
2.7 V 250 mA
30
CHAPTER 3 INSTALLATION
Table 3-6. DIP Switch Setting for Hold Display Function
Status
User's Manual U16556EJ1V0UM
DIP Switch Setting
6 (HOLDLED)
OFF
ON