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Management, Monitoring and Control of High-Value
Distributed I/O Assets
The monitoring and protection of high-value
distributed I/O assets involves more than simple access to
its data, it also involves the protection and control of
its physical environment along with the ability to take corrective
action when necessary. Digital and analog sensors, proximity
and mechanical switches, relays, pushbuttons, temperature
and humidity sensors can assist in determining the integrity
of the asset’s local environment. Information
from these sent back to a central support location over a
network can help an enterprise react more quickly to an important
event or failure. IOLAN DS I/O Device Servers are ideal for
these applications.
Access I/O Devices over Ethernet using Popular Central
Applications
An IOLAN I/O Device Server is ideal for remote
I/O management using common
SCADA or OPC Servers using Modbus/TCP protocol as well as Network Management
Systems ( NMS) utilizing SNMP.
Flexible and Reliable COM/TTY Access to Ethernet
I/O
An IOLAN I/O Device Server is ideal
for connecting COM/TTY based applications such as Modbus
ASCII/RTU to remote
I/O devices. Perle’s TruePort
re-director provides COM port or fixed
TTY connections across an IP network.
An Application Program Interface ( API ) is also available
so that custom applications can be developed to access distributed
I/O channels attached to remote
IOLAN I/O Device Servers. Common serial applications such
as Visual Basic can be used to send IOLAN API commands to
remote IOLAN I/O Device Servers across an IP network. This
API is available for the most popular operating systems today.
Universal I/O
The IOLAN DS I/O device server connects to a wide variety
of distributed I/O devices.
For examples click here.
Universal I/O on IOLAN I/O Device Servers provides
flexibility when used across a wide array of environments.
Individual digital channels can be configured as either
inputs or outputs. Analog Inputs can support a broad range
of voltage or current type devices including industrial
grade temperature sensors such as thermocouples and RTDs.
Models with integated solid state relays can be used to
control remote contact closures.
Automated response to alarm conditions
IOLAN DS I/O Device Servers have the capability of measuring
input conditions and intelligently alerting enterprise resources
such as central TCP/IP based applications, Syslog or SNMP.
By instantly generating alerts when pre-defined threshold
levels have been exceeded, alarm notifications can be passed
along when needed. This eliminates the packet based overheads
associated with polled environments.
Rugged Industrial-Grade Design
Compact and protective metal enclosure for wall mount or
DIN rail mounting environments. Industrial grade unit protection
is provided though optical isolation of I/O channels of
2000 Vrms, Ethernet isolation of 1500 Vrms, open/short
detection logic on RTD/Thermocouple inputs and 15,000 volts
electrostatic discharge protection across all serial pins.
Advanced IP Technology
With support for Next Generation IP (IPv6) the IOLAN range
provides organizations with investment protection to meet
this rapidly growing standard.  
Lifetime Warranty
The Perle
IOLAN DS is backed by the best service and support in the
industry including Perle’s unique lifetime warranty.
Since 1976 Perle has been providing its customers with networking
products that have the highest levels of performance, flexibility
and quality.
Technical Specs for Perle I/O Device Servers
IOLAN DS1 D4, DS1 A4, DS1 D2R2, DS1 T4, DS1 A4R2,
DS1 A4D2
Main Processor
- MPC852T, 66 Mhz, 87 MIPS
- 16 MB RAM
- 4 MB Flash
I/O Processor
Network/Ethernet
- 1 x 10/100Mb RJ45
- 1.5 KV magnetic isolation
I/O Connectors
- Removable terminal blocks
Digital I/O
- 2 or 4 channels depending
on model
- software selectable as inputs or outputs
- optical isolation
of 2000V rms
Digital Input
- Dry Contact : Logic 0 = open.
Logic 1= close to GND
- Wet Contact: Logic 0 = 0-3V, Logic
1= 10V-30V
Digital Output
- Open collector to 30V ( source, sink or both )
- 200
mA max load
- Digital out ( DO ) or pulse mode
Relay
- Form C type SPDT
- Contact rating: 1A@30VDC, 0.5A @AC:
120VAC
- Breakdown voltage:
500 VAC (50/60 Hz)
- Relay on time: 7 msec;
Relay off time: 3 msec.
- Total switching
time: 10 msec.
- Insulation resistance: 1000
MW minimum at 500 VDC
Analog Input
- Channels: 4 differential
- 16-bit
resolution
- lnput range: ±150 mV, ±500 mV, ±1 V, ±5 V, ±10
V,0-20 mA, 4-20 mA
- Optical Isolation : 3000 VDC
- Fault and overvoltage protection:
up to ±35 V
- Sampling rate: 10 samples/sec.
- Input impedance: 20 M Ohm
- Accuracy: ±0.1% or better
- Zero drift: ±5 µV/° C
- Span drift: ±25 ppm/° C
- CMR @ 50/60 Hz: 90 dB min
Thermocouple Input
- Types : J, K, T, E, R,
S, B
- Isolation voltage: 2000 VDC
- Sampling rate: 10 samples/sec.
- Accuracy: ±0.15% or better
- Zero drift: ±5 µV/° C, Span drift: ±25 ppm/° C
- CMR @ 50/60 Hz: 130 dB
RTD ( Resistance Temperature Detector )
- Channels:
4 differential inputs
- lnput type: PT100, PT1000, Ni 518
- Optical Isolation: 2000 VDC
- Sampling rate: 10 samples/sec
- Accuracy: ±0.05% or better
- Zero drift: ±2.5 µV/° C, Span drift: ±25 ppm/° C
- CMR @ 50/60 Hz: 130 dB
Protocols
IPV6, IPV4, TCP/IP, ARP, RARP, UDP, UDP Multicast, ICMP,
BOOTP, DHCP, TFTP, Telnet, raw, reverse Telnet, MODBus/TCP,
RCP, WINS, HTTP, SNMPV3
Management
- Via Web browser
- Perle DeviceManager software to manage single or multiple device servers
- CLI – Telnet or shared console port
- Menu
- SNMP, MIB II, Perle MIB, read and write capabilities
- SYSLOG
- Easy Configuration Wizard
- Failsafe mode - Default outputs if loss of communication occurs
- Set a personalized factory default for IOLANs
Serial Port
- Software selectable EIA/RS-232/422/485
-
DB9M connector
-
Full modem and hardware flow control on RS-232
-
50bps to 230Kbps for EIA-232
-
Customizable baud rate support for unique speed requirements
-
up to 230Kbps for EIA-422/485
-
SUN Break Safe
-
Full bidirectional modem support
-
15Kv ESD protection on all signals
-
EIA 232 full duplex
-
EIA 422 full duplex
-
EIA 485 4 wire, full duplex
-
EIA 485 2 wire, half duplex, with echo
-
EIA 485 2 wire, half duplex, without echo
Indicators
- Power/Ready
- Network Link activity
- Serial: Transmit and Receive data LEDs
Dimensions, Weight
- Dimension (L x W x H): 12.7 x 9.2 x 4.5 (cm)
- Weight – 0.5 kg
Power
- 9-30V DC on terminal blocks.
- Optional AC adapters available from Perle (barrel connector will need to be removed)
- p/n 04030674 (USA), 04030671 (UK), 04030672 (EU)
TruePort: Fixed TTY/COM port emulation software.
- 32 bit Microsoft Windows Server 2008, Windows Server 2003, 7, Vista, XP, 2000, NT
- 64 bit Microsoft Windows Server 2008, Windows Server 2003, 7, Vista, XP
- Linux (32 / 64 Bit)
- Solaris Intel and SPARC ( 32 and 64 Bit)
- SCO UnixWare
- SCO OpenServer
- NCR
- HP UX including Itanium
- AIX
Environmental
- Operating temperature: 0C to +55C (32F to +131F)
- Storage temperature: -40C to +66C (-40F to +150F)
- RoHS and WEEE Compliant
Approvals
-
FCC Part 15A, CE, CAN/CSA 22.2, UL/CN 60950, EN 55022 Class
A, EN 55024 Class A, CFR 47, ICES-003, IEC 60950-1
Warranty
- Limited lifetime warranty
Line Art
IOLAN DS1 D4 – 4 Digital I/O and 1 RS-232/422/485 Serial
Port
IOLAN DS1 D2R2 – 2 Digital I/O, 2 Relay outputs and 1 RS-232/422/485
Serial Port
IOLAN DS1 A4 – 4 Analog Inputs and 1 RS-232/422/485 Serial
Port
IOLAN DS1 T4 – 4 Thermocouple/RTD sensor inputs and 1 RS-232/422/485
Serial Port
IOLAN
DS1 A4R2 – 4 Analog inputs and 2 Relay Outputs and 1 RS-232/422/485
Serial Port
IOLAN DS1 A4D2 – 4 Analog inputs and 2 Digital I/O and 1
RS-232/422/485 Serial Port
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