SmartPAC 2 with WPC 2000 Integration User Manual 1128600
Installation 2-35
Wiring Auxiliary Outputs
WPC 2000 provides three optional Auxiliary outputs that you can use to automate equipment
connected to your clutch/brake control. A summary of wiring connections and change
conditions for these three outputs is provided in Table 2-8. Details about each output are
given following the table. Additional wiring details are provided in Table 2-27, page 2-114
and in Figure 3 at the back of the manual.
Auxiliary Output 1
Auxiliary 1 is normally closed (N/C), or On. The output opens, or turns Off, when a fault
condition occurs, an E-stop string opens, or a light curtain is interrupted while the press is
running. The output can also be programmed to turn Off during an Interrupted Stroke (see
page 6-39 for an explanation of Interrupted Stroke).
Aux. Output 1 response to an Interrupted Stroke is controlled by option switch 8 on the WPC
2000 Main Processor board. Switch settings are shown in Table 2-9.
NON-SAFETY OUTPUT USED FOR SAFETY FUNCTIONS
Use Auxiliary outputs 1, 2, and 3 for non-safety functions only, such as convenience in automation.
They cannot protect personnel from a moving hazard.
Failure to comply with these instructions will result in death or serious injury.
Table 2-8. Auxiliary Output Wiring Connections and Change Conditions
Output
Pin #
(WPC 2000
Proc. Bd.)
Normal
State
Change
State Change Conditions
Aux. 1 28 On (N/C) Off (or Open) • WPC 2000 fault
• E-stop string open
• Light curtain interruption
• Interrupted Stroke (controlled by
option switch 8–see Table 2-9)
Aux. 2 36 Off (N/O) On (or Closed) • WPC 2000 fault
• Interrupted stroke
• Key switch in Inch and DSV energized
Aux. 3 29 Off (N/O) On (or Closed) • DSV energized
Table 2-9. Option Switch 8 Settings for Auxiliary Output 1 State Change
Option Switch 8 Auxiliary Output 1 State Change during Interrupted Stroke
OFF Output turns OFF when an Interrupted Stroke occurs
ON Output remains ON during an Interrupted Stroke unless the Interrupted Stroke
is preceded by a WPC 2000 fault or an Emergency Stop, in which case the
output turns OFF
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