Applied Motion STM23R-2ND - Manual (Page 7)

7
STM23R Hardware Manual 920-0056C
5/5/2015
Connecting the Power Supply
If you need information about choosing a power supply, please read the sec-
tion Choosing a Power Supply .
• Connect the power supply “+” terminal to the connector terminal labeled
“V+”.
• Connect power supply “-” to the connector terminal labeled “V-”.
• Use 18-20 gauge stranded wire.
The STM23R contains an internal fuse that connects to the power supply +
terminal. This fuse is not user replaceable. If you want to install a user service-
able fuse in your system install a fast acting 4 amp fuse in line with the + power supply lead.
Be careful not to reverse the wires. Reverse connection will destroy your drive, void your
warranty and generally wreck your day.
If you plan to use a regulated power supply you may encounter a problem with regeneration. If you rapidly
decelerate a load from a high speed, much of the kinetic energy of that load is transferred back to the power
supply. This can trip the overvoltage protection of a switching power supply, causing it to shut down. We offer
the RC-050 “regeneration clamp” to solve this problem. If in doubt, buy an RC-050 for your first installation. If
the “regen” LED on the RC-050 never flashes, you don’t need the clamp.
!
RC-050 Regen Clamp
regen LED
1
2
3
4
5
6
7
8
1
2
3
4
STEP+
STEP-
DIR+
DIR-
EN+
EN-
OUT+
OUT-
V-
V+
S/R
SETUP