Lincoln Electric IM10058 POWER WAVE STT MODULE - Manual (Page 17)

B-3 OPERATION B-3
POWER WAVE ® STT ® MODULE
STT ® MODULE CASE BACK
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1
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4
CASE BACK DESCRIPTIONS
1. ArcLink ® Pigtail – Connects directly to the ArcLink ® Out receptacle on the rear of the power source.
2. Differential I/O Pigtail – Connects directly to the Differential I/O output receptacle on the rear of the power
source.
3. Differential I/O (Sync Tandem) Output – Supports Synchronized Tandem MIG Welding with other compatible
power sources. Note: This feature is not compatible with the STT ® process, and is therefore disabled when
using STT ® weld modes.
4. ArcLink ® (Out) – Available on the standard model only. Provides an ArcLink ® pass through connection for all
compatible ArcLink ® wire feeders.