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ISDN adapter--WESTERMO
IDW-90
     Product Information
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The IDW-90 is an industrial IDSN modem designed to allow cost effective and simple remote access to legacy serial industrial equipment. The AT command driven modem is capable of synchronizing with a wide range of traditional modem negotiation standards providing data rates of up to 128 kbit/s.

With the built-in V.34 analogue modem the IDW-90 can not only connect to ISDN based modems but also with the PSTN units. The unit even has support for V110 which enables GSM-modems to be connected as well. The complete galvanic separation of all interfaces ensures earth loops and transients do not interfere with communication.

Firewalls are not an issue as data does not use the internet and with call back security it is impossible for either accidental or deliberate access to any equipment attached to the modem. To keep visits to the site to a minimum a watchdog monitors the modem ensuring constant readiness, and remote re-configuration means that changes to settings can be handled without a site visit.

The modem is also simple to configure using the Westermo IDW-tool software; standard commands can easily be entered and saved configurations downloaded. RS-232 connections can be made using the standard D-sub whereas the 422/485 connections uses a standard screw terminal. The modem is designed to be connected to devices with no ability to control dialing so special functions like data dialing and DTR dialing are provided to enable these devices to automatically establish connection.

IDW-90

 

Product description
Status Active
Article number 3620-0001
Ports 1 x RS-232
1 x RS-422/485
1 x ISDN
Description Industrial ISDN Modem
Warranty period 5 Years
Standard compliance
ISDN TBR-3
Reliability prediction
Service life, operating Operating, 10 year
EMC (Electromagnetic Compatibility)
EN 61000-6-2 Immunity industrial environments
EN 55024 Immunity IT equipment
EN 61000-6-3 Emission residential environments
FCC part 15 Class B
EN 50121-4 Railway signalling and telecommunications apparatus
IEC 62236-4 Railway signalling and telecommunications apparatus
EMC specifications
EN 61000-4-2, ESD Enclosure contact, ± 6 kV
Enclosure air, ± 8 kV
IEC 61000-4-3, RF field AM modulated Enclosure:
10 V/m 80% AM (1 kHz), 80 – 1 000 MHz
20 V/m 80% AM (1 kHz), 80 – 2 000 MHz
ENV 50204, RF field 900 MHz Enclosure, 20 V/m pulse modulated 200 Hz, 900 ± 5 MHz
EN 61000-4-4, fast transients Signal ports, ± 2 kV
Power ports, ± 2 kV
EN 61000-4-5, surge Signal ports unbalanced, ± 2 kV line to earth, ± 2 kV line to line
Signal ports balanced, ± 2 kV line to earth, ± 1 kV line to line
Power ports ± 2 kV line to earth, ± 2 kV line to line
EN 61000-4-6, conducted RF immunity Signal ports, 10 V 80% AM (1 kHz), 0.15 – 80 MHz
Power ports, 10 V 80% AM (1 kHz), 0.15 – 80 MHz
EN 61000-4-8, power frequency magnetic field Enclosure, 100 A/m, 50 Hz, 16.7 Hz & 0 Hz
EN 61000-4-9, pulsed magnetic field Enclosure, 300 A/m, 6.4 / 16 ms pulse
EN 61000-4-16, Mains freq. 50 Hz Signal ports, 100 V 50 Hz line to earth
SS 436 15 03, Mains freq. 50 Hz Signal ports, 250 V 50 Hz line to line
EN 61000-4-29, voltage dips and interruption DC power ports:
10 & 100 ms, interruption
10 ms, 30% reduction
10 ms, 60% reduction+20% above & –20% below rated voltage
EN 55022, radiated RF emission Enclosure, class B
FCC part 15, radiated RF emission Enclosure, class B
EN 55022, conducted emission DC power ports, class B
Safety
EN 60950-1, dielectric strength Signal port to other isolated ports, 2 kVrms 50 Hz 1 min
Power port to other isolated ports
3 kVrms 50 Hz 1 min
2 kVrms 50 Hz 1 min (@ rated power <60 V)
Safety EN 60950-1, IT equipment
Climatic
Temperature, operating +5 to +55ºC (+41 to +131ºF)
Temperature, storage –20 to +85ºC (–13 to +185ºF)
Humidity, operating 5 to 95% relative humidity
Humidity, storage 5 to 95% relative humidity
Enclosure
Enclosure UL 94, PC / ABS, flammability class V-1
Dimensions (W x H x D) 34 x 123 x 121 mm (1.33 x 4.84 x 4.76)
Weight 0.21 kg
Degree of protection IP 21
Cooling Convection
Mounting Horizontal on 35 mm DIN-rail
Mechanical
IEC 60068-2-6, vibration Operating, 7.5 mm, 5 – 8 Hz 2 g, 8 – 500 Hz
IEC-60068-2-27, shock Operating, 15 g, 11 ms
Interface specifications, power
Rated voltage 12 to 48 VDC
12 to 34 VAC
Operating voltage 10 to 60 VDC
10 to 42 VAC
Rated current 110 mA @ 12 VDC
55 mA @ 24 VDC
30 mA @ 48 VDC
Rated frequency DC / AC 48 – 62 Hz
Inrush current 0.22 A2s
Startup current 0.30 Apeak
Polarity Polarity independent
Isolation to All other ports 3 kVrms 50 Hz 1 min
Connection Detachable screw terminal
Connector size 0.2 – 2.5 mm2 (AWG 24 – 12)
Shielded cable Not required
Integrated Services Digital Network (ISDN)
Electrical specification ISDN BRI: ITU-T I.430
Data rate 300 bit/s – 128 kbit/s
Protocol Euro ISDN /DSS1, Leased line B1 / B2
V.110 asynchronous, HDLC async to sync, HDLC transparent,
Byte transparent X.75- SLP, V.120, X.31 B channel, X.31
D channel, ML-PPP
Protection Installation Fault Tolerant (up to ±60 V)
Isolation to Power port 3 kVrms 50 Hz 1 min
RS-232 2 kVrms 50 Hz 1 min
RS-485 2 kVrms 50 Hz 1 min
I/O 2 kVrms 50 Hz 1 min
Connection RJ-45
Shielded cable Not required
Interface specifications, RS-232
Electrical specification EIA/TIA-232
Data rate 1 200 bit/s – 115.2 kbit/s
Data format 7 or 8 data bits, Odd, even or none parity, 1 or 2 stop bits; Σ 9 – 12 bits
Protocol Transparent
Retiming Yes
Transmission range Cable length ≤15 m / 49 ft
Isolation to Power port 3 kVrms 50 Hz 1 min
ISDN line 2 kVrms 50 Hz 1 min
I/O 1.5 kVrms 50 Hz 1 min
Galvanic connection to RS-485
Connection 9-pin D-sub female (DCE)
Shielded cable Not required
Miscellaneous Do not connect RS-232 and RS-422/485 simultaneously
Interface specifications, RS-422/485
Electrical specification EIA RS-485
2-wire or 4-wire twisted pair
Data rate 300 bit/s to 115.2 kbit/s
Data format 7 or 8 data bits, Odd, even or none parity, 1 or 2 stop bits, Σ 9 – 12 bits
Protocol Transparent
Retiming Yes
Turning time 50 μs (half duplex)
Transmission range <1200 m, depending on data rate and cable type (EIA RS-485)
Settings 120 Ω termination and failsafe biasing 680 Ω
Protection Installation Fault Tolerant (up to ±60 V)
Isolation to Power port 3 kVrms 50 Hz 1 min
ISDN 2 kVrms 50 Hz 1 min
I/O 2 kVrms 50 Hz 1 min
Galvanic connection to RS-232
Connection Detachable screw terminal
Connector size 0.2 – 2.5 mm2 (AWG 24 – 12)
Shielded cable Not required
Miscellaneous Do not connect RS-232 and RS-422/485 simultaneously
Interface specifications, I/O / Digital input
Electrical specification Opto isolated input
Input voltage range 0 – 60 VDC
Input current 5 mA @ 60 VDC
Input inactive Uin <2.5 V
Input active Uin >5.0 V
Transmission range Cable Length ≤ 15 m
Connection Detachable screw terminal (DCE)
Connector size 0.2 – 2.5 mm2 (AWG 24 – 12)
Isolation to Power port 3 kVrms 50 Hz 1 min
ISDN line 2 kVrms 50 Hz 1 min
RS-232 2 kVrms 50 Hz 1 min
RS-485 2 kVrms 50 Hz 1 min
I/O output 2 kVrms 50 Hz 1 min
Shielded cable Not required
Interface specifications, I/O relay output
Electrical specification One change over contact
Switching voltage Max 40 VAC/DC
Switching current Max 500 mA AC/DC
Electrical endurance 5 x 105 operations @ 20 W / 20 VA Resistive load
Transmission range Cable Length ≤15 m
Connection Detachable screw terminal (DCE )
Connector size 0.2 – 2.5 mm2 (AWG 24 – 12)
Isolation to Power port 3 kVrms 50 Hz 1 min
ISDN line 2 kVrms 50 Hz 1 min
RS-232 1.5 kVrms 50 Hz 1 min
RS-485 1.5 kVrms 50 Hz 1 min
I/O input 2 kVrms 50 Hz 1 min
Shielded cable Not required

 

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