5. VERSIONS
ADA-7021 -
-
-
-
-
Order example:
Product Symbol:
ADA-7021-1-2-1-2-1
1 –
standard electronic version,
2 –
12VDC CL voltage,
1 –
0 – 20mA CL current,
2 –
1kV 3-way galvanic isolation,
1 –
ST-type 850nm fibre connectors,
Electronic version:
Standard
1
Current Loop Voltage:
24VDC
1
12VDC (standard version)
2
Current Loop Current:
0 – 20mA (standard version)
1
0 – 30mA
2
Galvanic isolation:
1kV= 3-way
2
3kV= 3-way
3
Fibre connectors:
ST 850nm
1
SC 850nm
2
SMA 650nm
3
6.SPECIFICATION
TECHNICAL DATA
Transition Parameters
Interface
Fibre-Optic
Current Loop
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 mm, optical power
budget Tx/Rx 9,6[dB],
- up to 2500m for fibre type 62,5/125 mm, optical power
budget Tx/Rx 15[dB],
- up to 2000m for fibre type 100/140 mm, optical power
budget Tx/Rx 15[dB],
- up to 1500m for fibre type 200 mm HCS, optical
power
budget Tx/Rx 20[dB],
- up to 20m for fibre type POF/1mm
Depends on the baud rate,
a few kilometres.
Maximum number of connected device
1
1
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.
2-pair twisted cable eg
UTPNx2x0,5(24AWG), shield
inside large interferences eg
(STP Nx2x0,5(24AWG)).
Maximum baud rate
38,4 kbps
Transmission type
Asynchronous, full duplex, half duplex.
Standards
Current Loop TTY : 0-20mA / 12VDC.
Optical signalization
•
PWR – green LED power supply,
•
RX - red LED data receiving from Current Loop,
•
TX - yellow LED data transmission through Current Loop interface.
9
ADA-7021
Summary of Contents for ADA-7021
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