IP440A-x
Isolated Digital Input
IP440A Industrial I/O Pack (IP) modules provide
32 optically isolated inputs to safely monitor a wide
range of digital input voltage levels.
Isolation protects your computer system from noise,
transient signals,and field wiring faults. The inputs are
grouped into four 8-channel ports. Ports are isolated
from the logic and each other.
Change-of-state interrupts are supported using
paired channels. Debounce eliminates spurious
interrupts from noise and switching transients for
error-free edge detection.
Closed-loop monitoring of critical control signals is
easily accomplished using the IP440A in conjunction
with Acromag’s IP445 digital output module.
Features
■
32 port-isolated input channels
■
Three input ranges (different models):
IP440A-1: ±4 to ±18V DC or AC peak
IP440A-2: ±16 to ±40V DC or AC peak
IP440A-3: ±38 to ±60V DC or AC peak
■
Interrupt support for each channel
■
High speed processing (0 wait states)
■
Programmable polarity of event interrupts
(low-to-high or high-to-low transitions)
■
Programmable debounce
■
Input hysteresis
■
Reverse polarity protection
■
Software configuration (no jumpers or switches)
Benefits
■
Software configuration allows “on-the-fly”changes
without removing modules.
■
Pins are compatible with IP445 output module for
loopback monitoring
■
Loopback monitoring enables self-test and fault
diagnostics to detect open switches or shorts.
Specifications
Digital Inputs
Input channel configuration: 32 optically isolated inputs.
Isolation: Logic and field connections are optically
isolated. Individual ports are also isolated from each other.
Input lines of individual ports share a common connection
and are not isolated from each other. Logic and field lines
are isolated from each other for voltages up to 250V AC rms
250V DC on a continuous basis (unit will withstand a
1500V AC dielectric strength test for one minute without
breakdown).
Bipolar input voltage range:
IP440A-1: ±4 to ±18V DC or AC peak.
IP440A-2: ±16 to ±40V DC or AC peak.
IP440A-3: ±38 to ±60V DC or AC peak.
Input low-to-high threshold:
IP440A-1: ±2V typical.
IP440A-2: ±6.8V typical.
IP440A-3: ±13.75V typical.
Input response time:
On to off: 15µS typical.
Off to on: 10µS typical.
Interrupts: 32 channels configurable as below.
High-to-low transitions
Low-to-high transitions
Change-of-state (two inputs required)
Debounce: Selectable for 4µS,
64µS,1mS,or 8mS.
IP Compliance (ANSI/VITA 4)
Meets IP specifications per ANSI/VITA 4-1995.
IP data transfer cycle types supported:
Input/output (IOSel*),ID read (IDSel*),Interrupt select
(INTSel*).
Access times (8MHz clock): 0 wait states (250ns cycle).
Updates: Requires four 8-bit reads to update all channels.
Environmental
Operating temperature: 0 to 70°C (IP440A-1/2/3)
or -40 to 85°C (IP440A-1E/2E/3E models).
Storage temperature: -55 to 150°C (all models).
Relative humidity: 5 to 95% non-condensing.
MTBF: Contact the factory.
Power:
+5V (±5%): 150mA maximum,65mA typical.
±12V (±5%): 0mA (not used).
Ordering Information
Industry Pack Modules
IP440A-1
Digital input,±4 to ±18V input range
IP440A-1E
Same as IP440A-1 plus extended temperature range
IP440A-2
Digital input,±16 to ±40V input range
IP440A-2E
Same as IP440A-2 plus extended temperature range
IP440A-3
Digital input,��38 to ±60V input range
IP440A-3E
Same as IP440A-3 plus extended temperature range
Acromag offers a wide selection of Industry Pack Carrier Cards.
Software (see software documentation for details)
IPSW-API-VXW
VxWorks
®
software support package
IPSW-API-WIN
Windows
®
DLL driver software support package
IPSW-API-LNX
Linux
™
support (website download only)
See accessories documentation for additional information.
Acromag, Inc.
• Wixom, MI 48393 • Phone: 248-295-0310 • solutions@acromag.com • www.acromag.com
Industry Pack Modules
When used together,the IP440A input module and IP445 output module simplify loop-back monitoring of your critical signals.
Industry Pack Modules
Industry Pack Modules
8400421e Printed in USA 9/20 Copyright © 2020 Acromag, Inc. Data subject to change without notice
All trademarks are the property of their respective owners.