General Information 1-5
MN1269
Features
The Baldor “LD” Series switching concept enables the user to operate with the highest
possible bandwidth with reduced switching losses, ripple current, EMI and RFI. Servo
Control cards are field replaceable.
Note: “LD” and “UM” series cards are NOT interchangeable.
The “LD” chassis and Servo Control card combination provides protection features and
status indicators including:
Voltage Error (VE)
Excess Current (EC)
Thermal Protection (EC)
Ground Fault (GF)
Surge Current (SC) and Short Circuit Protection
Logic Voltage Status (MV, PV) or (–15V, +15V)
Bus Voltage Status (PB) or (BUS)
AC Input Voltage Status (AC)
Other standard features include:
20 kHz “Inaudible” Switching
Test Points – to aid during set up
Jumper Settings – allow easy tailoring for specific applications
“Personality Module” – for custom current settings
Decoupled current sense – for monitoring current (absolute or actual value)
EC Latch or Foldback – selectable response to overcurrent condition
Left Limit – Overtravel Limit
Right Limit – Overtravel Limit
Interlock – used to shut down output to motor
External reset line
Push button reset
Phoenix style detachable screw terminals
Each Servo Control can be configured for:
Velocity mode operation with tachometer
Current mode operation
Differential or single ended signal inputs
Servo Systems Co. • 115 Main Road • P.O. Box 97 • Montville, NJ, 07045-0097
(973) 335-1007 • Toll Free: (800) 922-1103 • Fax: (973) 335-1661
www.servosystems.com
