Product Data Document
420DS-7e / D301312X012
June 2011 - Page 5
ControlWave ExpressPAC
Remote Automation Solutions
Website: www.EmersonProcess.com/Remote
Power Consumption
14 MHz CPU: 0.036 watt
33 MHz CPU w/o Ethernet: 0.12 watt
33 MHz CPU with Ethernet: 1.0 watt
DIO card: 0.018 watt
DIO plus AIO card: 0.021 watt
ControlWave ExpressPAC Process I/O
ControlWave Express I/O module is designed to
maximize usability while minimizing installation and
maintenance.
The I/O module provides a mix of analog and digital
inputs and outputs that are a perfect t for small
RTU applications.
2 DI/PI (on CPU)•
1 RTD input on 14 MHz CPU•
4 DI•
2 DO•
2 selectable DI or DO•
2 selectable DI or HSC•
Optional 3 AI or 3 AI and 1 AO•
Features
Convenient pluggable local •
All conguration jumpers and switches •
accessible without disassembly of circuit boards
Termination points for external loop power •
supply
Specications
All I/O
I/O access: 50 ms with 33 MHz CPU, 250 ms •
with 14 MHz CPU
1 second for 2 DI/PI inputs on CPU board•
Surge protection: Meets C37.90-1978 30 Vdc •
transorb between signal and ground
Terminations are pluggable and accept a •
maximum wire size of 16 gauge
Power consumption is stated for each I/O •
module type measured at the input supply and
does not include loop power
Pulse/Digital Inputs
Inputs located on base CPU board•
Number of points: up to 2 non-interrupting •
inputs
Internally sourced, dry contact single ended •
inputs
Scan rate: Once per second•
Input lter: 20 microSec•
Voltage Range: Internally sourced dry contact •
input - 3.3 Vdc
On state: >1.6 V, Off state <1.3V •
Input current : 200 µA for low power applications •
Power consumption: •
200 µA input, all inputs ON: 0.002 watt
Used as Pulse Input:
Frequency Range: 0-10 kHz •
Debounce: None•
Accumulator: 16 bit
RTD Input
Input available on 14 MHz Ultra Low Power •
CPU only
Specications are for the interface, only, not
including the RTD probe or wiring
RTD Conversion Accuracy: ± 0.1°C, or ± 0.1% •
of reading, whichever is greater
Ambient temperature effect on RTD •
measurement: ±0.01°C / °C max
Long Term Stability at Constant Conditions: •
±0.25ºC / month max