Emb(0) And Emb1 - Danfoss VLT FC Series Operating Instructions Manual

Electromechanical Bypass (E...

5.1.1 EMB(0) and EMB1

The electromechanical bypass is available in two additional types, the EMB(0) and EMB1. Each has reduced functionality
from the EMB2. The figures and tables below list for features and functions available in either type. Table 5.7, Table 5.8 and
Table 5.9 list terminal functions for EMB(0) and EMB1, respectively, and EMB1 default parameter settings for bypass
operation. If the drive is reinitialized, be sure that these settings are maintained or reset for proper bypass operation.
See the mechanical layout diagram inside the cover of the unit for connector locations within the unit.
5 5
Illustration 5.3 EMB(0) Control Connector
1 Terminal TB1
Table 5.5 Legend to Illustration 5.3
Conn.
TB1
Table 5.7 EMB(0) Terminal Functions
36
Option Panel Operating Instructions
1
Term. Input/Output
1 Input
2 Input
3 Common
4 Output
5 Output
6 Output
7 Output
8 Input
9 CMS Common
10 Input
MG14I102 - VLT
Illustration 5.4 EMB1 Control Card
1 Terminal X55
2 Terminal X56
Table 5.6 Legend to Illustration 5.4
Type
Normally closed, dry relay contact
Not for customer use
Normally open, dry aux contact
Normally open, dry aux contact
Normally open, dry contact
Normally open, dry contact
Normally open, dry contact
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is a registered Danfoss trademark
Function
Safety input, open to stop
Not for customer use
Closed when panel is in drive mode
Closed when panel is in Bypass
Mode
CMS Motor 1, close to select
CMS common
CMS Motor 2, close to select
1
2