B&B Electronics Zlinx ZP Series - Manual (Page 49)

Manual Documentation Number: ZP24D-250RM-SR-2508 45
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DN (Destination Node)
Command
<Networking {Identification}> The
DN command is used to resolve a
NI (Node Identifier) string to a
physical address. The following
events occur upon successful command execution:
1. DL and DH are set to the address of the module with the matching NI (Node
Identifier).
2. ‘OK’ is returned.
3. RF module automatically exits AT Command Mode.
If there is no response from a modem within 200 msec or a parameter is not specified
(left blank), the command is terminated and an ‘ERROR’ message is returned.
DP (Disassociation Cyclic Sleep
Period) Command
<Sleep Mode (Low Power)>
NonBeacon Firmware
End Device - The DP command is
used to set and read the time
period of sleep for cyclic sleeping
remotes that are configured for
Association but are not associated
to a Coordinator. (i.e. If a
device is configured to associate,
configured as a Cyclic Sleep remote, but does not find a Coordinator; it will sleep for
DP time before reattempting association.) Maximum sleep period is 268 seconds
(0x68B0). DP should be > 0 for NonBeacon systems.
EA (ACK Failures) Command
<Diagnostics> The EA command
is used to reset and read the count
of ACK (acknowledgement)
failures. This parameter value
increments when the module
expires its transmission retries without receiving an ACK on a packet transmission.
This count saturates at its maximum value.
Set the parameter to “0” to reset count.
EC (CCA Failures) Command
<Diagnostics> The EC command
is used to read and reset the count
of CCA (Clear Channel
Assessment) failures. This
parameter value increments when
the RF module does not transmit a
packet due to the detection of
energy that is above the CCA threshold level (set with CA command).
This count saturates at its maximum value.
Set the EC parameter to “0” to reset count.
AT Command: ATDN
Parameter Range: 20-character ASCII String
Minimum Firmware Version Required: v1.x80
AT Command: ATDP
Parameter Range: 1 - 0x68B0 _ [x 10
milliseconds]
Default Parameter Value:0x3E8_ (1000 decimal)
Related Commands: SM (Sleep Mode), SP
(Cyclic Sleep Period), ST (Time before Sleep)
Minimum Firmware Version Required: v1.x80
AT Command: ATEA
Parameter Range:0 - 0xFFFF
Minimum Firmware Version Required: v1.x80
AT Command: ATEC
Parameter Range:0 - 0xFFFF
Related Command: CA (CCA Threshold)
Minimum Firmware Version Required: v1.x80