6. VERSIONS
ADA-7240 -
-
-
-
-
Order example:
Product symbol:
ADA-7240-1-2-3-1-S
1
– operating on RS485 or RS422 bus,
2
– galvanic isolation 1kV=,
3
– cover without inlets, plug-in screw terminal block,
1
– ST-type 850nm fibre connectors,
S
– standard operating temperature range from 0°C
up to 50°C.
Electronic version:
Operating on RS-485/422 bus
1
Galvanic isolation:
1kV=
2
3kV=
3
Terminal & Terminal Cover:
Cover without inlets, screw terminal block
1
Cover with inlets, screw terminal block
2
Cover without inlets, plug-in screw terminal block
3
Fibre connectors:
ST
– type 850nm
1
SC
– type 850nm
2
SMA
– type 650nm
3
Operating temperature:
Standard: 0°C up to 50°C
S
Extended: -35°C up to 60°C
E
7. SPECIFICATION
TECHNICAL DATA
Transmission Parameters
Interface
Fibre-Optic
RS-485/RS-422
Connector
ST
® * type - transmitter and receiver for an optical
wavelength from 792nm to 865nm,
SC
type - transmitter and receiver for an optical
wavelength from 792nm to 865nm,
SMA
type - transmitter and receiver for an optical
wavelength from 640nm to 675nm.
Screw terminal, wire
max. Ø 2,5mm
2
.
Line length
up to 2000m for fibre type 50/125
m
m,
up to 2500m for fibre type 62,5/125
m
m
up to 2000m for fibre type 100/140
m
m
up to 20m for fibre type POF/1mm
do 1200 m
Max. number of connected device
free
32 / 2
Transmission line
Two multimode fibres:
- connectors ST-850, fibres type 50/125
m
m,62,5/125
m
m, 100/140
m
m, 200
m
m HCS.
- connectors SC-850 fibres type 50/125
m
m,
62,5/125
m
m, 100/140
m
m, 200
m
m HCS.
- connectors SMA-650 plastic fibres type POF/1mm.
1-pair, 2-pair or 4-pair twisted
cable eg UTP cat. 5e, shield
inside large interferences eg
STP cat. 5e.
Max. baud rate
Up to 2 Mbps, baud rate depend on length of the RS-485/RS-422 bus.
Transmission type
Asynchronism full duplex, half duplex.
Standards
EIA-485/422, CCITT V.11
Optical signalisation
•
PWR – green LED power supply,
•
RX - red LED data receiving from RS-485/RS-422,
•
TX - yellow LED data transmission through RS-485/RS-422 interface.
Electrical Parameters
Power requirements
10 - 24 – 30 V DC
Power Cable
Recommended length of power cable – up to 3m.
Power
<3W
Protection from reverse power polarization
YES
10
ADA-7240
