Wintriss wpc 2000, User Manual

Page: 211 / 250

1128500 WPC 2000 User Manual
B-2 Specifications for User-built Operator Stations
Switch Requirements
Switches used for the Run, Emergency-stop, Top-stop and Prior Act buttons must meet the
specifications shown in Table B-2:
A Run-button timer is built into the WPC 2000. If the Run buttons on a standalone Operator
Station are not pressed within the 1/2-second “palm time” (“synchronous time” in ANSI
terminology) or the Run buttons on multiple Op. Stations are not pressed within the 5-second
“concurrent time,” the press will not cycle. See the description of the “Palm Time Lamp and Switch”
on page 1-3 and Switch 6 – Selecting Concurrent Time for More Than Two Operator Stations,
page 3-33.
Table B-2. Specifications for Operator Station Switches
Switch Specifications
Run NEMA 12 or 13, UL rated
1-NC/1-N0 single contact block with transfer-style contacts. One contact bar
moves from N/C contacts to the N/O contacts to ensure that the N/C and N/O
contacts cannot be closed simultaneously.
(Allen Bradley AB-S 800T-D1JA, Square D 9001KR25GH13, or equivalent)
Must be guarded against accidental operation per ANSI and OSHA
requirements.
E Stop NEMA 12 or 13, UL rated
2-NC contacts, positive opening operation, “self-latching”
Top Stop NEMA 12 or 13, UL rated
2-NC contacts, positive opening operation
Prior Act NEMA 12 or 13, UL rated
1-NC with integral green pilot lamp for 24 Vdc operation. This lamp indicates
when the Prior Act timer is armed.
Must be guarded against accidental operation per ANSI and OSHA
requirements.
NOTICE