Control Connections; Power Connections - Danfoss FCD300 Service Manual

17.

Control Connections

Note: 31A is internally connected to terminal 50 (+10V)
Note: G is internally connected to terminal 55 (24 V and 10 V ground)
Note: 35 and 36 are galvanic isolated from control ground (only functional, not PELV)
18.

Power Connections

Terminal
91
92
93
122
123
96
97
98
81
82
Release 01/2003
Revise 08/01/2003 by DD Service Manager, Steffen Sundbæk
Service Manual FCD 300
Function Comment
L1
L2
L3
Mbr- Switched output (negative)
Mbr+ Positive output
U For motor connection with 6 wires
out of the motor (U1, V1, W1,
V
U2, V2, W2) see design guide
W
Rb- Brake resistor
Rb+ Brake resistor
Main supply
Main supply
Main supply
26