Section VI
Control Interface Details
006-0007129 10/12/2018
Rev B
48 of 60
UPS-1500 3-Phase Guide
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User I/O Rear Panel Connector
15 Pin DSUB Female
I/O Circuits
Signal Common Pin
4, 5
8
Output Pin
+5V Pin
+5V
1N4148
1N4148
2N3904
Input Pin
50k Ohms
100 Ohms
+5V
500 Ohms
PS2581L
1N4148
I/O Circuits
OUTPUT ON
OUTPUT OFF
+5V Pin
SHUTDOWN
Input Pin
Remote On/Off Switch
SPDT Momentary
(ON) OFF (ON)
100 Ohms
+5V
8
500 Ohms
13
PS2581L
1N4148
REMOTE_START
Input Pin
500 Ohms
12
PS2581L
1N4148
Internal User I/O Circuits
Remote On/Off Switch Connections
Note: A 2PDT or 3PDT switch may be substituted for single control of 2 or 3 UPS machines, respectively.