Wiring

Negative Analog • 01

13 • Output Common

Analog Input 1 • 02

14 • Relay Output 1

Analog Input 2 • 03

15 • Relay Output 2

Positive 3,3 Vdc • 04

16 • —

17 • Digital / Counter Input 1

18 • Digital / Counter Input 2

19 • Power Supply

20 • Power Supply

A regulated 3,3Vdc - 50mA max is available at screw terminal 04 respect to terminal 01.

If battery is equipped this power supply is provided also when main power supply is missing.

To prevent permanent damage to battery, external loads must be disconnected when voltage drops below 3Vdc.