Emerson Process Management Bristol ControlWave ExpressPAC - Manual (Page 12)

ControlWave ExpressPAC Instruction Manual (CI-ControlWave EPAC)
1-6 Introduction Revised Mar-2011
retention mode (powered by a backup 3.0V lithium battery). Critical
system information that must be retained during power outages or when
the system has been disabled for maintenance is stored here. This
includes the last states of all I/O points, audit/archive historical data (if
not stored in FLASH), the values of any variables marked RETAIN, the
values of any variables assigned to the static memory area, and any
pending alarm messages not yet reported.
1.4 Power Options
You can power the ControlWave ExpressPAC by:
 factory-supplied rechargeable 6/12V lead acid battery (used in
conjunction with a solar panel),
 factory-supplied single or dual lithium battery pack
 user-supplied bulk (nominal +6Vdc, +12Vdc or +24Vdc) power
supply.
If you connect solar panels to rechargeable battery systems to power the
ControlWave ExpressPAC, there is a secondary power input you can
use to provide power if there is no power from the solar panel/battery
system.
1.5 I/O Options
ControlWave ExpressPAC comes with the following standard I/O
 2 Pulse Counter Inputs with a 1 second scan rate (can be configured
as discrete inputs (DI))
 The 14 MHz CPU and 33 MHz CPU with Ethernet also include a
Resistance Temperature Device (RTD) probe.
In addition, three different versions of the optional process I/O board are
available:
Table 1-2. Process I/O Configurations
Type Discrete
Input /
Output
(DI/DO)
Discrete
Input (DI) Discrete
Output
(DO)
High Speed
Counter
(HSC)
Analog
Input (AI)
Analog
Output
(AO)
A 2 4 2 2
B 2 4 2 2 3
C 2 4 2 2 3 1