eDAQ Picostat, User Manual

Page: 13 / 122

Chapter 2 — The Potentiostat 9
exceeds the full scale limits of the range setting of the current channel,
and is usually caused by a low resistance between the electrodes.
The Back Panel
The back panel of the Potentiostat is shown in Figure 2–3 .
E Out, I Out and E In Connectors
The Potentiostat back panel has three BNC connectors labelled E Out,
I Out, and E In. The E In is connected to the Output of the
e-corder ,
usually is used.Reverse the polarity of the Potentiostat by using
e-corder Output –.
E Out I Out E In
Input
Output
I C
Bus
I C
2
BNC output
connectors
DB-9 pin, I
2
C connectors
4 mm socket,
ground connection
BNC input
connector
Digital Ground Regulated –17 V DC Reg8 V DC Reg17 V DC
Power lines
SCL DSC SDA DSD INT
I
2
C control signals
Digital Ground Regulated –17 V DC Reg8 V DC Reg17 V DC SCL DSC SDA DSD INT
I
2
C control signals
Input Output
1
6
9
5 5
9
6
1
Figure 2–3
The Potentiostat back
panel.
Figure 2–4
The pin assignments for
the I
2
C DB-9 connectors.