Eaton PDI WaveStar TFA Static Transfer Switch Installation and Operation Manual P-164001113—Rev 01
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Except for Ethernet, all customer communications connections are made to a Contractor Board, either a Basic
Contractor Board (standard) or an Enhanced Contractor Board (optional). Contractor Board connections include
the following:
•
Dry contact terminals
•
Modbus RTU terminals
•
Remote EPO
•
Multi-Switch Link Option, supporting an N+1 UPS configuration
The following sections describe the formats of the Basic and Enhanced Contractor Boards.
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Figure 36. Basic Contractor Board
The Basic Contractor Board connections (see
) are as follows:
Dry Contact Remote Relays:
Programmable NO or NC dry contacts for external output of specific internal alarms or status:
1.
Relay 1:
Summary Alarm – signals when there is any active alarm on the STS.
2.
Other Relays:
Relay 2
: Load on S1
Relay 3
: Load on S2
Relay 4
: Output OK
Note
: Remote relays can accept dry contacts rated up to 2A/250V.
Summary of Contents for PDI WaveStar TFA STS 250-600A
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