42 NFS2-3030/E Installation Manual — P/N 52544:N1 07/18/2014
Installation Connecting a PC for Programming
3.15.3 SLC Installation
Install loop control and expander modules as described in Section 3.8 “Connecting the Loop
Control and Expander Modules”. Note that the unique SLC loop number assigned to a module does
not need to match the module’s location in the cabinet. For details on designing, installing and
configuring SLC loops, see the SLC Wiring Manual.
3.16 Connecting a PC for Programming
A PC running the VeriFire® Tools programming utility can upload and download the operating
program of the control panel when attached to J15 USB Connection, J1 Network/Service
Connection (NUP) or to the second Network/Service connection on an attached wire or fiber
version of the NCM or HS-NCM. Refer to the VeriFire® Tools CD for instructions.
B+ A+ B- A- B+ A+ B- A-
T-Tapping is not allowed
on a four-wire SLC.
Channel B (output loop)
Channel A (loop return)
Style 4 SLC Loops
Style 6 SLC Loops
SLC Loop #2 Connections
on Loop Expander Module
SLC Loop Connections
on Loop Control Modules
SLC loop
connections are
the same for Loop
Expander and
Control Modules
Channel
B
Channel
A
3030-slcloops.cdr
Figure 3.23 SLC Loop Connections and Wiring
NOTE: Download operations that change the basic program of the control panel must be
performed by responsible service personnel in attendance at the control panel. After downloading
a program, test the control panel in accordance with NFPA 72.
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