HMS Networks Intesis IN776MHI00XO000 User Manual page 14

Connection
NOTICE
The common connectors (those used for all applications), specific connectors (those used for each
application), and the connection procedures are deeply explained in the following sections.
NOTE
Mount the gateway in the desired installation site before wiring.
IMPORTANT
Use solid or stranded wires (twisted or with ferrule).
Wire cross-section/gauge for all wire connectors (power supply and low-voltage buses: connectors 1,
2, 3, 5, and 7 on the wiring diagram figure above):
• 1 core: 0.5 to 2.5 mm
• 2 cores: 0.5 to 1.5mm
• 3 cores: not permitted.
Summary tables
BMS Protocol Port EIA 485
BACnet BACnet MS/TP
Modbus Modbus RTU
KNX (Not used)
Home Automation (Not used)
AC Manufacturer Port A
Mitsubishi Heavy (Not used)
Pin Out EIA 485 Port A
B- B- A1
A+ A+ A2
SNGD SG -
NOTE
To know more about each port's specifications, see
USER MANUAL Version 1.2
2
(24 to 11 AWG).
2
(24 to 15 AWG).
Port KNX Ethernet
(Not used) BACnet/IP and Console
(Not used) Modbus TCP and Console
KNX Console
(Not used) Home Automation and Console
Port B Port C
(Not used) Mitsubishi Heavy (Superlink)
Port B Port C
B1 C1
B2 C2
SG (Not used)
Mitsubishi Heavy Industries VRF with KNX, Serial and IP support
Technical Specifications (page 22).
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