Hardware Reference Manual
Hardware Interface
GFK-3022E
September 2021
Hardware Interface
38
ATTENTION
Never use a power supply generating a -24 V output if the positive supply is related to PE ground. It will be
shortened if any external device is connected to the RXi2-XP IPC.
ATTENTION
The power input is secured with one 10 A blow fuse. If the input power exceeds the limits, the fuse will be
blown to protect all circuitry within the RXi2-XP IPC. Contact Emerson for a suitable replacement.
5.1.9
Internal SATA Connector
One M.2 M-Key (PCIe 4x and SATA) with sizes 2242, 2260, 2280 and 22110 is located inside the
RXi2-XP IPC.
5.1.10
CFast Connector
Located on the front of the RXi2-XP IPC is a CFast Type 1 flash connector. CFast is a variant of a
CompactFlash that supports a higher maximum transfer rate than current Compact Flash cards.
Standard CFast cards can be used for storage of data or the operating system. The device is
connected to a standard SATA port of the COM Express module, and is hot plug
capable with
standard OS.
Figure 5-10
CFast Connector
5.1.11
Serial (COM) Ports
The 0-slot and 1-slot variant of the RXi2-XP IPC is provided with two serial ports. The two serial
ports are RS
–
232 on 9
–
pin, D-connectors for local terminals or peripheral communication.
The 2-slot and 4-slot variant is equipped with four serial ports. Serial ports 1 and 2 are RS
–
232,
serial ports 3 and 4 are RS
–
422 / RS
–
485.
Figure 5-11
Serial Ports
–
2-Slot Variant
