User Manual

PAGE 26 15 MAR 2003 CH.2

MAN0305-04

2.4 Ports, Connectors, and Wiring

2.4.1 Power, Network, and Programming Ports

The MiniOCS / MiniRCS Power, Network, and Programming Ports are shown in Figure 2.11 - Figure 2.12.

for both the network and non-network versions of the MiniOCS / MiniRCS. The MiniOCS / MiniRCS I/O

Module receptacle is located on the bottom.

2.4.2 Primary Power Port

Table 2.2 – Primary Power Port Pins

Pin Signal Description

Frame Ground

2 V+ Input power supply voltage

3 V- Input power supply ground

Figure 2.11 - Power Connector Figure 2.12 - As viewed looking at

(Primary Power Port) the Mini

(Front and Side Views Shown)

Note: Power Supply Voltage Range is from 10-30 VDC.

Figure 2.13 - Grounding

Warning: To provide maximum noise immunity and to insure minimum EMI radiation, the V-signal

(DC power return) need to be connected to earth ground at the power supply. The user must ensure

that the power supply selected is compatible with this method of grounding.

PIN 1

PIN 2

PIN 3

PIN 1

PIN 2

PIN 3

DC Power

Supply

+ -

MINI

+ -

Frame

(Earth)

Ground

Connect DC V- to earth ground at the power supply.