Horner APG RCS SmartStix - Manual (Page 26)

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
1
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 .