6
Rack mount enclosure
The XRC
G4
6990 enclosure is de
signed for 19” rack mount (see Figure 4). This enclosure may be configured to house up to two
XRC
G4
boards, up to two LCD displays and up to two optional key pads. This unit is not designed for exposure to the elements.
With the exception of the local PCCU connector, all terminals are located on the back panel of the enclosure.
16. 91
72
14
.
19.00" (48.26 cm)
10
.47
" (
26
.59
cm
)
16.91" (42.95 cm)
14
.72
"
(37
.39
cm
)
10
.00
"
(25
.40
cm
)
10
.21
"
(25
.93
cm
)
Front view
– dual unit with keypads
Back view
Right side view
Top view
Figure 4: XRC
G4
6990 rack mount
XRC
G4
board specifications
The XRCG4 board is designed as a general purpose RTU motherboard that mounts in all XSeries enclosures. It has the same
footprint as its counterpart, the XFC board (extendable flow computer motherboard). The specifications for the XFC board are
given in Table 3. Figure 5 identifies the parts of the board and Table 4 provides the descriptions.
Table 5: 2103329-xxx board specifications
Component
Description
Power
Nominal 12 Vdc Battery
Charger
Solar or 15 Vdc (30 Watts Max.)
Memory
Application (Totalflow.exe) runs out on 16M SRAM. RAM memory has lithium backup battery.
Application and configuration files permanently stored in 32M Flash.
All processor and memory functionality resides on the CPU engine card.
Registry (MAC address, etc.) is stored in 256 byte E
2
PROM
SD Card optional (128M/512M/1G)
