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Installation and Wiring
2.2.5 I/O extension board
44.3mm
J3
J4
S1
J2
50.8mm
∅3.5mm
Figure 2-8
Outline and dimensions of the I/O extension board
Table 2-3
Description of I/O extension board terminals
Terminal
Pin
Function Description
J3
BK+
BK-
MC+
MC-
BK+
Relay output terminal: Brake Relay
BK-
MC+
Relay output terminal: MC Relay
MC-
J4
485+ 485- PT+ CGND
485+
RS485 communication input terminal
485-
PT+
Temperature detection terminal,
supporting PT100 and PTC
CGND
Power ground
J2
DI6 DI7
DI8 CGND
DI6
DI terminal: IGBT Enable
DI7
DI terminal: UPS Enable
DI8
DI terminal: Single phase UPS Enable
CGND
Power ground