I/O Signal Table By Pin Number; Table 7-1: Auxiliary I/O Db25 Connector Pin Numbers And Signals By Db25 Pin Number - Pacific Power Source LMX Series Operation Manual

7.2.2

I/O Signal Table by pin number

Pin assignments in order of pin number are shown in the table below.
Pin # Name Primary Function
1 RxD RS232 Receive Data (Rx)
2 GND Chassis Ground
3 DI1 General Purpose Digital Input #1
4 DI2 General Purpose Digital Input #2
5
DI3 General Purpose Digital Input #3
6 RI Remote Inhibit
7 TT Transient Trigger Input
8 Sync In Phase Sync Input
9
GND Chassis Ground
10 AI1 Analog Input – Volt RMS Phase A
11 AI2 Analog Input – Volt RMS Phase B
12
AI3 Analog Input – Volt RMS Phase C
13 AI4 Analog Input – Current Limit RMS all
phases
14 TxD RS232 Transmit Data (Tx)
15 12V Output, 12Vdc
16 DO3 Relay Control #1 – FORM
/RC1
17 DO4 Relay Control #2 - TRANSFORMER
/RC2
18
FS Trigger Output / Function Strobe
19 Sync Phase Sync Output
Out
20 DO1 General Purpose Digital Output #1
21
DO2 General Purpose Digital Output #2
22 AO1 Analog output #1 – Volt RMS
Measurements Phase A
23 AO2 Analog output #2 – Volt RMS
Measurements Phase B
24 AO3 Analog output #3 – Volt RMS
Measurements Phase C
25 AO4 Analog output #4 – Total Power (all
phases combined)

Table 7-1: Auxiliary I/O DB25 Connector Pin numbers and Signals by DB25 pin number

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LMX Series Power Source Operation Manual
LMX SERIES™ OPERATION MANUAL
SECTION 7: Auxiliary I/OError! Reference source not found.
Alternate Use / Comment
Programmable
Programmable
Programmable
Short to +12Vdc Pin 15 to
enable output.
Any set point
Any set point
Any set point
Any set point
0.5 A max, current protected
Programmable, Open
Collector, Current protected
Programmable, Open
Collector, Current protected
Programmable
Programmable
Any other measurement
Any other measurement
Any other measurement
Any other measurement
Type Direction
RS232 Input
Ground n/a
Digital Input
Digital Input
Digital Input
Digital Input
Digital Input
Digital Input
Ground n/a
Analog Input
Analog Input
Analog Input
Analog Input
RS232 Output
Power Output
Digital Output
Digital Output
Digital Output
Digital Output
Digital Output
Digital Output
Analog Output
Analog Output
Analog Output
Analog Output
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