Rockwell Automation 20-COMM-H RS485 HVAC Adapter FRN 2.xxx - Manual (Page 85)

Adapter Parameters B-3
20-COMM-H RS-485 HVAC Adapter User Manual
Publication 20COMM-UM009D-EN-P
15 [Comm Flt Action]
Sets the action that the adapter will take if it detects a
network failure because it has not communicated with
its master within the interval specified in Parameter 11
- [Network Timeout]. This action takes effect only if
I/O that controls the drive is transmitted through the
adapter.
Default: 0 = Fault
Values: 0 = Fault
1 = Stop
2 = Zero Data
3 = Hold Last
4 = Send Flt Cfg
Type: Read/Write
Reset Required: No
16 [DPI I/O Cfg]
Sets the I/O that is transferred through the adapter.
Default: xxx0 0001
Bit Values: 0 = I/O disabled
1 = I/O enabled
Type: Read/Write
Reset Required: Yes
17 [DPI I/O Act]
Displays the I/O that the adapter is actively
transmitting. The value of this parameter will usually be
equal to the value of Parameter 16 - [DPI I/O Cfg].
Default: xxx0 0001
Bit Values: 0 = I/O disabled
1 = I/O enabled
Type: Read Only
18 [Flt Cfg Logic]
Sets the Logic Command data that is sent to the drive
if Parameter 15 - [Comm Flt Action] is set to “4”
(Send Flt Cfg) and the adapter times out.
The bit definitions will depend on the product to which
the adapter is connected. See
Appendix C or the
documentation for the drive being used.
Default: 0000 0000 0000 0000
Minimum: 0000 0000 0000 0000
Maximum: 1111 1111 1111 1111
Type: Read/Write
Reset Required: No
19 [Flt Cfg Ref]
Sets the Reference data that is sent to the drive if
Parameter 15 - [Comm Flt Action] is set to “4” (Send
Flt Cfg) and the adapter times out.
Default: 0
Minimum: 0
Maximum: 4294967295
Type: Read/Write
Reset Required: No
Important: If the drive uses a 16-bit
Reference, the most significant word of
this value must be set to zero (0) or a
fault will occur.
Parameter
No. Name and Description
Details
!
ATTENTION: Risk of injury or equipment damage exists. Parameter 15 - [Comm
Flt Action] lets you determine the action of the adapter and connected drive if I/O
communications are disrupted. By default, this parameter faults the drive. You can
set this parameter so that the drive continues to run. Precautions should be taken
to ensure that the setting of this parameter does not create a risk of injury or
equipment damage. When commissioning the drive, verify that your system
responds correctly to various situations (for example, a disconnected cable).
*Not used with Metasys N2.
Bit
Definition
Not Used Not Used Not Used Datal
ink D*
Datal
ink C*
Datal
ink B
Datal
ink A
Cmd/Ref
Default x x x 0 0 0 0 1
Bit 7 6 5 4 3 2 1 0
*Not used with Metasys N2.
Bit
Definition
Not Used Not Used Not Used Datalink D* Datalink C* Data
link
B
Data
link
A
Cmd/R
ef
Default x x x 0 0 0 0 1
Bit 7 6 5 4 3 2 1 0