Honeywell NPB-2X-RS485 Option Card Instruction Manual
Learn how to install and wire the Honeywell NPB-2X-RS485 option card with this user manual. Compatible with WEB/CP-201/600/700, SEC-H-201/600, or WEB/CP-202/602-XPR series controllers, this dual port, optically isolated RS-485 adapter includes two 3-position, removable screw-terminal connector plugs. Discover the COM port assignments and notes in Table 1 and Fig. 1. Note that the controller requires NiagaraAX build level 3.1.24 or higher to use the NPB-2X-RS485 option.