Probe connector

The probe connector is a 15-pin, high-density, D-type socket. Its pinout connections are shown in table below:

Probe connector signal definitions

Connector pin no.

Description

Type

1*

+5 V

Power output

2

N/C

High impedance

3

0 V_POWER

Power return

4*

q

Axis signal input

5*

r

Axis signal input

6*

+12 V

Power output

7*

-12 V

Power output

8

Probe identification

Signal input

9

N/C

High impedance

10*

Over-range

Signal input

11*

p

Axis signal input

12

0 V_REF

Signal input

13

N/C

High impedance

14

Head LED anode

Signal output

15

Head LED cathode

Signal output

Shell

Screen

Protective ground

 * Isolated to >100 kΩ when the probe is disconnected or not recognised as SP25M.