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Field-Wiring the Modules
2-34 Unimode 400 Installation PN 50710:A 10/22/97
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The MPS-400 provides four NACs (Style Y
or Z). Each circuit can provide 2.5 A of current—but the total current drawn from the
MPS-400 cannot exceed 6.0 A (refer to Table G-2). Use UL-listed 24 VDC notification
appliances only. Figure 2-47 shows MPS-400 NAC/releasing terminals and typical
connections:
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You can program any Notification Appliance Circuit as a releasing
circuit. Refer to
Releasing Circuits
in the Unimode 400 Programming Manual. Refer to
the Device Compatibility Document, for a list of compatible releasing devices.
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The control panel provides a set of Form-C alarm and a set of
Form-C trouble contacts rated for 2.0 A @ 30 VDC (resistive). The control panel also
provides a Form-C Supervisory contact and a Form-C Security contact rated for 2.0 A
@ 30 VDC (resistive). Supervisory and Security contacts can be set to Alarm contacts
using switches SW4 and SW5. Figure 2-48 shows the MPS-400 relay outputs and
switches:
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