6
1.
Feature Summary
Primary Network
Half-duplex RS-485 (A / B / Signal Ground / Shield).
Supported Protocols
•
Schneider Electric Modbus RTU
•
Johnson Controls Metasys N2
•
Siemens Building Technologies FLN
User-Selectable Register Processing
Four user-selectable registers can be designated for special processing. The
use of these registers is protocol-dependent.
Register Remapping
The Modbus RTU protocol allows all ASD parameters numbered FA00 - FFFF
to be accessible as Modbus holding registers both at 0xFA00 – 0xFFFF
(64000
10
– 65535
10
) as well as 0x0A00 - 0x0FFF (2560
10
– 4095
10
). This
allows master devices that can index only 9999 total holding registers to
access all available ASD information.
Selectable Network Timeout Processing
An optional 1s-255s network timeout time can be selected. If a timeout setting
is selected, then after the designated period of network inactivity the interface
will perform actions to place the drive in a “failsafe” state. The specific action
taken is protocol-dependent.
Metasys
is a registered trademark of Johnson Controls, Inc.
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