Seametrics DO2 Instructions Manual page 15

APPENDIX A: TECHNICAL SPECIFICATIONS
POWER
External Power Pack Required (9-15VDC)
Seametrics Power Pack described below.
Other power options available.
Contact Seametrics for details.
Seametrics Power Pack
WIRING
For Modbus —
®
with 5-pin connector
For SDI-12 —
with 5-pin connector
For SDI-12 —
without connector
Calibration can only be done when there are no sessions stored on the sensor. If
there are any sessions stored on the sensor, upload any data you want and then
erase the session before continuing.
Seametrics • 253.872.0284
Enclosure Material
Enclosure Dimentions 5.5" x 3.1" x 2.6"
tors)
Power Supply
Connectors
port
White
Purple
Yellow
Brown
Blue
Shield
White
Purple
Yellow
Brown
Blue
Shield
White
Purple
Yellow
Brown
Blue
Shield
(may be green)
Page 15
DO2 INSTRUCTIONS
Polycarbonate (1P67)
(14 x 7.9 x 6.6 cm)
(excluding connec-
12VDC (8 AA cells)
1 communication
1-3 sensor ports
1 12 VDC+ (Vaux)
2 Modbus D-
3 Modbus D+
4 SDI-12 (Not used)
5 Ground
5-Pin
Connector
1 12 VDC+ (Vaux)
2 Modbus D- (Not used)
3 Modbus D+ (Not used)
4 SDI-12 Signal
5 12 VDC – (Gnd)
5-Pin
Connector
12 VDC+ (Vaux)
Modbus D- (Not used)
Modbus D+ (Not used)
SDI-12 Signal
12 VDC – (Gnd)
Earth ground
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