Danfoss VLT series Programming Guide

3 Servo Access Box (SAB) Operation
3.1 Overview
The Servo Access Box (SAB) is the central component in the ISD 510 servo system, together with ISD 510 servo drives. It is
the connection point for several servo drives. Up to 64 servo drives can be connected to 1 SAB (maximum of 2 lines, each
with 32 servo drives), depending on the total power load. Illustration 3.1 shows the typical system set-up:
AUX 1
Status
Hand
On
O
Reset
Auto
On
OK
Back
Cancel
Info
Quick
Menu
Main
Menu
Alarm
Log
AUX 2
SAFE 1
SAFE 2
Status
Hand
On
O Reset
Auto
On
OK
Back
Cancel
Info
Quick
Menu
Main
Menu
Alarm
Log
LCP
SAB
400-480 V AC
1
ISD 510
2 3 n
UDC + Real-Time Ethernet Bus + STO + U
AUX
. . .
. . .
130BE384.10
Real-Time Ethernet
Illustration 3.1 ISD 510 Servo System
Servo Access Box (SAB) Oper... Programming Guide
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Danfoss VLT series Specifications

General

Series	VLT
Category	DC Drives
Output Voltage	0-100% of input voltage
Protection Features	Overvoltage, Undervoltage, Overcurrent, Overtemperature, Short Circuit, Ground Fault
Communication Interfaces	Profibus, CANopen
Enclosure Rating	IP20, IP21, IP55, IP66
Cooling Method	Forced Air Cooling, Convection Cooling
Control Mode	Sensorless Vector, Closed Loop Vector
Ambient Temperature	-10°C to +50°C (14°F to 122°F)