Hardware Manual User Manual

Analog Inputs (2)

Chatter

has four analog inputs each with a range of 0,1 - 2,5 VDC (see posi-

tion “2” on the drawing to the left).

Analog inputs

Terminal Designation/function

AI 1 0.1 - 2.5 VDC

AI 2 0.1 - 2.5 VDC

AI 3 0.1 - 2.5 VDC

AI 4 0.1 - 2.5 VDC

GND Common GND terminal for AI 1 - 4

Table 5. Analog Inputs

USB Connector (3)

Chatter is equipped with a USB socket for communication with for example a

laptop computer for conﬁguration.

Voltage Outputs (4)

Chatter has three voltage outputs for MJK-approved equipment: one from

the factory programmable 5/10/15 VDC supply and two separate 3.6 VDC

outputs.

Voltage Outputs

Terminal Designation/function

+5/ 10/ 15 VDC Programmable, ON/OFF-controlled voltage supply (+5 VDC from factory)

GND Ground

3V6-A 3.6 volt (always ON)

GND Ground

3V6-B 3.6 volt (ON/OFF-controlled by the electronics during measurement)

GND Ground

Table 6. Voltage Outputs for MJK-approved Equipment

The outputs ”5/10/15” and ”3V6-B” are controlled in such a way that they are

activated during measurement. ”3V6-A” is connected directly to the battery

and is as such always active.

4. Electrical Connections

Data Logger