Specifications are subject to change without notice (26.08.05) 1
Dupline®is a registered trademark. A product of the CARLO GAVAZZI Group
Du line
®
Fieldbus Installationbus
Product Description Ordering Key
Type: Dupline®
Type number
Power supply
Optolink Interface
Type G 3491 0090
• Interface between Optolinks and PC
• RS232 to fibre optics converter
• Galvanic isolation 4000 VAC
• For mounting on DIN-rail (EN50022)
• LED-indications for supply
• AC power supply
RS232 to fibre optics interface.
Enables PC’s or PLC’s to read
and control data on up to 63
Dupline®systems which are
networked through Optolinks
(G 3491 0000).
Supply Ordering no.
24 VAC G 3491 0090 024
115 VAC G 3491 0090 115
230 VAC G 3491 0090 230
Type Selection
Fibre optics interface
Material Polymer
Type Step-index
Max. loss 220 dB/km (660 nm)
Typical loss 190 dB/km (660 nm)
Numerical aperture 0.47
Dimensions 2.2 ± 0.1 mm
Cable length ≤50 m
Connector type 2 sockets
Hewlett Packard types
HFBR-4513 (blue)
HFBR-4503 (black)
Communication port RS232C
Input RXD Pin 3
Output TXD Pin 2
Common ground Pin 5
Transmission speed Up to 19200 Baud
Cable length ≤15 m
Input/Output Specifications
Supply Specifications
Power supply
Overvoltage cat. III (IEC 60664)
Rated operational voltage
230 230 VAC ± 15% (IEC 60038)
115 115 VAC ± 15% (IEC 60038)
024 24 VAC ± 15% (IEC 60038)
Frequency 45 to 65 Hz
Rated operational power typ. 3 W
Power dissipation ≤4 W
Rated impulse withstand
voltage 230 4 kV
115 2.5 kV
024 800 V
Dielectric voltage
Supply RS232C ≥4 kVAC (rms)
G 3491 0090 230
Power ON delay < 200 ms
Indication for
Supply ON LED, green
Environment
Degree of protection IP 20
Pollution degree 3 (IEC 60664)
Operating temperature 0° to +50°C (+32° to +122°F)
Storage temperature -20° to +85°C (-4° to +185°F)
Humidity (non-condensing) 20 to 80% RH
Mechanical resistance
Shock 15 G (11 ms)
Vibration 2 G (6 to 55 Hz)
Dimensions
Material
(see "Technical Information") H4-housing
Weight 275 g
General Specifications
2Specifications are subject to change without notice (26.08.05)
Dupline®is a registered trademark. A product of the CARLO GAVAZZI Group
Du line
®
Fieldbus Installationbus
G 3491 0090
Wiring Diagram
Mode of Operation
The G 3491 0090 is used as
interface between computer
or PLC with RS232 serial port
and a fibre optic LAN-ring
consisting of G 3491 0000
optolinks.
Pin Assignment
G 3491 0090 RS232C
21 22
AC power supply
Optical fibre
In Out
Accessories
Optical Plugs HFBR-4513 (black)
HFBR-4503 (black)
Fibre Optic Cable, single Link Fibre-S-X.. (.. = length in m)
Fibre Optic Cable, dual Link Fibre-D-X.. (.. = length in m)
Data brochure DAT OPL
Scope of supply
1 x RS 232 to fibre optic interface G 3491 0090
1 x Optolink G 3491 0000
20 cm fibre optic cable Link Fiber-S
2 x Optical plugs HFBR-4513 (blue)
HFBR-4503 (black)
G 3491
0090
Power
Supply
Dupline®63 Dupline®62
Dupline®1 Dupline®2
Power Supply Power Supply
Power Supply Power Supply
Optolink
device
no. 63
Optolink
device
no. 62
Optolink
device
no. 1
Optolink
device
no. 2
RS 232
Dupline®LAN-Ring
12345678
23 24 25 26 27 28
Pin Signal
2 T x D
3 R x D
5 Signal Ground
1
6
5
9
2
3
5
7
8
2
3
5
7
8
2
3
7
8
5
2
3
4
5
6
7
20
9-pin male
to controller
9-pin male
to controller 25-pin female
to PC
9-pin female
to PC
RS 232 Cables
Dimensions (mm)
Boîtier H4
