Emerson ControlWave EFM 3808 Instruction Manual page 10

ControlWave Express Instruction Manual (CI-ControlWave Express)
Board Variations The CPU/System Controller board has three basic variations:
CPU
14MHz
ultra low
power
33MHz
low
power
33MHz
CPU Backup Battery The CPU/System Controller board has a coin cell socket that accepts a
CPU Memory There are several different types of memory used by the CPU:
1-4
 transmit (TX) and receive (RX) LEDs for each communication port
 2 MB of battery backed Static RAM (SRAM),
 512KB boot/downloader FLASH,
 8MB simultaneous read/write FLASH memory
Table 1-1. CPU/System Controller board Variations
Nominal Ethernet
Input
Port?
Power
+6Vdc or No
+12Vdc
+12V or No
+24Vdc
+12V or Yes
+24Vdc
Each of the variants shown in Table 1-1 may be ordered with or
Note:
without special gas calculation firmware.
3.0V, 300 mA-hr lithium battery. This 3.0V battery provides backup
power for the real-time clock and the system's Static RAM (SRAM).
Boot/Downloader FLASH
Boot/download code is contained in a single 512 Kbyte FLASH chip.
Boot FLASH also holds the value of soft switches, audit/archive file
configurations, and user account and port information.
Introduction
Solar Auxiliary
Regulator Power
? Output?
Yes Yes
Yes Yes
No No
RTD Input?
Yes.
Connects to
100-ohm
platinum bulb.
Uses DIN
43760 curve.
No
Yes (same as
ultra low
power)
Revised Mar-2011