Emerson Process Management Bristol ControlWave Express - Manual (Page 4)

Product Data Document
420DS-6d / D301311X012
June 2011 - Page 4
ControlWave
®
Express
Remote Automation Solutions
Website: www.EmersonProcess.com/Remote
ControlWave Express Process I/O
ControlWave Express I/O module is designed to
maximize usability while minimizing installation and
maintenance.
The I/O module (bottom card) provides a mix of
analog and digital inputs and outputs that are a
perfect fit 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 terminations •
All configuration jumpers and switches •
accessible without disassembly of circuit boards
Termination points for external loop power
•
supply
Specifications
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 filter: 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
Specifications are for the interface only, not includ-
ing the RTD probe or wiring
RTD Conversion Accuracy: ± 0.1°C, or ± 0.1% •
of reading, whichever is greater