Installation and User Manual

A4 Available Options

NMC (Network Management Card) option

This option is a communications card for supervision and protection of a three-phase device. Each UPS can be equipped with a maximum of four NMC communications cards.

Optional communications card with additional power relay

The UPS is already equipped with a relay communications card. But it is possible, with this option, to add another card with programmable power-relay functions.

Optional serial communications card

This option is an RS232 or RS485 serial communications card operating under the JBUS protocol.

AS4I option

This option consists of a low-power relay card for shut-off and scheduling functions.

Multislot option

This option consists of communications cards to concentrate the communication of two parallel-connected UPSs.

External synchronization module option

With this option, a SYNIN communications card and two circuit breakers are added to each UPS unit. The external synchronization module issues a reference frequency used to synchronize the UPS units.

CAUTION Check the different input/output signal levels (LV, ELV, SELV) on the optional communication cards (4) and use appropriate wiring.

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Appendices

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APC 40 130KVA user manual A4 Available Options