User's Manual

R450 Wall and Pit MIU User’s Manual 2
2 Specifications
This section provides you with the specifications for the R450 MIU.
Electrical Specifications
Encoder Register Interface
Supported Encoder Maximum Cable Length
Neptune ARB
®
V
2
300 feet (91 meters)
Neptune ProRead (ARB
®
VI)
and E-Coder (ARB
®
VII)
500 feet (152 meters)
Invensys ECR II
®
and ECR III
®3
200 feet (61 meters)
Networked Neptune ProRead (ARB VI) /
E-Coder (ARB VII)
250 feet (76 meters)
2
The length, which meets manufacturers’ published specification for wire length between encoder and remote receptacle,
is based on solid 3 conductor wire, 22 AWG.
3
Only specific formats of ECRIII programming are compatible. Contact Neptune for details.