Rockwell Automation RELIANCE ELECTRIC SP500 - Snubber Resistor Wiring

5.2.4 Snubber Resistor Wiring
Snubber resistor wiring connects to terminals 12 and 13 on the Regulator board’s
terminal strip. See figures 5.9 and 5.10.
Snubber
Resistor Control Terminal Power Terminal
Drive Model Number Terminals Strip Connections Strip Connections
1 SU2xxxx 1 (+) 12 N/A
2 (-) 13
147 (+) N/A (+) DC Bus
45 (-) (-) DC Bus
1SU4xxxx & 1SU5xxxx 1 (+) 12 N/A
2 (-) 13
147 (+) N/A (+) DC Bus
45 (-) (-) DC Bus
13 (4) N/A (+) 10V
14 (-) (-) 10 COM
15U4x015 & 1SU4x020 Refer to instruction manual D2-3291.
5-8
SP500 AC Drive Installation and Operation Manual Version 3.1