V-RTU2000 Series
Chapter 13 - Wiring & Cabling
Veesta - Remote Terminal Unit
Technical Specification Manual
Page 74 of 90
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13.5 Power Supply (PS) Card Wiring
Front Panel
: Power Switch, 2 LED for 5V 24V, 1 On/Off Swicth
Real Panel
: One Field Power (PIN) and one 24VDC Control
Power (VR).
Figure 13-3: PS Card Wiring & Cabling Diagram
PIN+
: Power Source Supply Input, Positive Signal.
PIN-
: Power Source Supply Input, Negative Signal.
FG
: Field Earth or Ground.
VR+
: Local/Remote Source Voltage or Indicator positive Signal.
VR-
: Local/Remote Source Voltage or Indicator negative Signal.
About VR+ / VR-, please consider that this two terminals act as two
options:
External Local/Remote: This mode has been used for external
24V+ to VR+ and 0V to VR- pin terminal to operate and energize
DO relays externally controlled. In this mode the jumper strap of
J1 and J2 must be in position of 2-3.
Indication Local/Remote: This mode has been used to indication
of Local/Remote Switch in front of power supply. In this case VR+
act as positive wet digital indication and VR- for 0V of common
indication, when L/R switch of PS card be in position of “R”
(Remote) so 24V+ will be appear in VR+ terminal to show
160 mm
100 mm
Switch
90
0
M
180
0
FM
VR+
VR-
FG
PIN+
PIN-
FG
96-Pin DIN
Connector