Entron EN1000 series

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Page 160 • 700120S • ENTRON Controls, LLC.

87E DELAY

For proper three phase DC operation, the following settings must be made:

1. 87E DELAY must be disabled –

8.7.8.7.

8.7.=

0000

00 (see Section 5.4.9)

2. MANUAL POWER FACTOR must be set to

.P.P

9999

99 (see Section 5.4.10)

3. HOLD time must be set to at least 3 cycles

These settings will be made at the factory in new controls, but if Control Board 600541 is

replaced for any reason, the customer will need to program these settings into the new board.

To insure proper firing, the control must be programmed with a MANUAL POWER FACTOR

setting. Follow the procedure outlined in Section 5.4.11 (Power Factor Measuring). Program

this value or any lower value in the EXTENDED FUNCTIONS

.P.P

. parameter. In this

configuration, 87E DELAY may be left programmed with its default value of

0101

01 (enabled).

When the EN1003 Control is used in the inside delta wiring configuration, each SCR can fire

an independent transformer regardless of the secondary configuration.

APPENDIX F EN1003 THREE PHASE DC CONTROLS (cont.)

Figure F-6. Inside delta configuration

Figure F-7. Outside delta and “Y” configuration

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