Determine bit selections for worksheet 8-a – Rockwell Automation 1771-QDC, D17716.5.93(Passport) PLASTIC MOLDING MODULE User Manual

Page 122

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Load Initial Profile Setpoints

Chapter 8

8-5

Block Identifier

(CPC01)
Bits 07-00 of this word identify it as the first word in a series used to
define the clamp close profile. Pro-Set 600 sets these bits to 00000111.

We recorded this value on Worksheet 8-A.

Velocity Units

(CPC03)
The following bit determines units of measure for velocity values.

- BIT 14 selects units of measure.

0 = Percent velocity
1 = Inches or millimeters per second

We recorded a value of 1 for units per second on Worksheet 8-A.

Mold Protection

(CPC03)
The following bit controls QDC module reaction if it moves the clamp into
the mold protection zone while executing the 1st or 2nd or 3rd clamp close
profile.

- BIT 11 determines QDC module response to the protection zone.

0 = Start executing low pressure close if clamp reaches CPC61
1 = Stop and zero outputs if clamp reaches CPC61

We recorded a value of 0 for start executing LPC on Worksheet 8-A.

Logical Bridges

(CPC03)
Logical bridges control the action taken by the QDC module when it
completes a profile.

- BIT 10 controls action at end of third clamp close.

- BIT 09 controls action at end of second clamp close.

- BIT 08 controls action at end of first clamp close.

0 = Start next profile when this profile is complete
1 = Stop and set output when this profile is complete

We recorded a value of 0 for start next profile on Worksheet 8-A.

Determine Bit Selections for

Worksheet 8-A

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