Operating Instructions
Table Of Contents
- Table of Contents
- Manual Organization
- Manual Notations
- Where To Send Comments
- Reference Documents
- General Description
- LON Interface Option Functionality
- Network Variable Types and Configuration Properties
- SED2 VFD Frame Sizes A, B, and C
- SED2 VFD Frame Sizes D, E, and F
- Installation and Wiring Notes
- Setting Up SED2 VFD Parameters
- Verifying Parameter Operations
- Setting up SED2 VFD LON Interface Option
- Status LED Functionality
Technical Specifications
Technical Specifications
Specifications Description
Processor Type Neuron® 3120®
Processor Clock Speed 40 MHz
Memory Size 16 KB ROM, 2 KB RAM
Network Communication Speed 78 Kbps (FTT-10)
Node Identification Fixed, unique Neuron ID, software configurable node ID
Status LED Tri-color (green, orange, red) LED provides indication of current
operating status
Service Pin Provides external activation of service pin message
Network Terminator Bus Topology: 105 ohm at both ends
Free Topology: 52.3 ohm close to the center of the network
Output Rates Bi-directional and configurable transmission rates for output network
variables
Dimensions 6-11/32 in. (161 mm) high
2-7/8 in. (73 mm) wide
1-23/32 in. (43.5 mm) deep
Physical Interface Free Topology: FTT-10
Interface Uses Standard Network Variable Types (SNVTs) exclusively
Connector Short-circuit proof, isolated, FTT-10 bus connector
Configuration All drive parameters can be updated through network variables
Feedback Monitor actual values and drive status on output network variables
Control Drive control and frequency references are available through input
network variables
NOTE: For technical specifications on the SED2 VFD, see the SED2 VFD Operation &
Maintenance Manual (Document No. 125-3202.)
Siemens Building Technologies 15