Product Data Document
420DS-7d / D301312X012
January 29, 2009 - Page 7 Bristol® ControlWave ExpressPAC
Remote Automation Solutions
Website: www.EmersonProcess.com/Remote
1-5 Vdc @ 5mA max., 11 to 30 Vdc external
source
D/A resolution: 12 bit•
Accuracy: •
0.1% of span @ 25ºC for current output;
0.1% + 3% of span @ 25ºC for voltage
0.3% of span @ -40 to 70 ºC for current
0.3% + 3% of span @ -40 to 70 ºC for voltage
Power consumption – 1 outputs: •
Analog current output: 0.1 watt
Analog voltage output: 0.1 watt
High Speed Counters
Number of points: 2 selectable as HSC or DI•
Frequency Range: 0-10 kHz •
Input Voltage Range:•
Internally sourced: 3.3 Vdc
Externally sourced: 3 Vdc to 24 Vdc
On state: >1.6 V, Off state <1.3V •
Input lter: 20 microSec for 10 kHz HSC •
1 ms for 300 Hz LSC
Input current : selectable 200 µA for low •
power applications or 2.2 mA for in-plant noise
immunity
Accumulator: 16 bit •
Power consumption: •
200 µA input, all inputs ON: 0.004 watt
2.2 mA input, all inputs ON: 0.039 watt
Power System, Charge Regulator and AUX Output
ControlWave ExpressPAC offers a variety of internal
power systems that includes lithium batteries and
rechargeable, lead acid cell batteries. The lead acid
batteries are matched with solar panels as charging
sources.
Related to the power system, a charge regulator
circuit and, in the 12 Vdc versions only, an auxiliary
output (AUX Output) is available in ControlWave
ExpressPAC (except models with Ethernet). The
AUX Output is typically used to control power to the
radio.
Specications – Charge Regulator and AUX Output
Input Voltage Range: 5.0 to 18.0 Vdc•
Fuses: 1.5 A from charge regulator, 3.5 A for •
each battery input, 1.0 A to the CPU assembly
Surge suppression: 18 V transorb. Meets ANSI/•
IEEE C37.90-1978
Charge regulator: Temperature-compensated •
charge control with cut-off
Standby charging circuit limits: 6.33V max, •
6.09V min for 6V battery and 12.4V max, 11.9V
min for a 12V battery
Threshold voltage for shunt at 23ºC: 7.3V for a •
6V battery and 14.6V for a 12V battery
AUX Output Max Load Current: 1.8 A •
continuous, 2.5 A momentary
AUX Output “on” Resistance: 0.37 Ohms •
typical, 0.5 Ohms max
Available Power Options
7.2 Vdc Lithium battery (single or dual)•
6 Vdc, 1 watt solar panel, 7 AH lead acid battery•
6 Vdc, 4.3 watt solar panel, 7 AH lead acid •
battery
12 Vdc, 4.5 watt solar panel, 7 AH lead acid •
battery
Power systems are sized for operation with all I/O
but without powering eld devices. The 12 Vdc sup-
ply is sized to operate a radio in “slow duty cycle”
mode.