B&B Electronics ZP9D-115RM-LR - Manual - Manual (Page 32)

32 Manual Documentation Number: ZP9D-115RM-LR-0812
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CF (Number Base) Command
<Command Mode Options> CF
command is used to set/read the
command formatting setting.
The following commands are
always entered and read in hex,
no matter the CF setting:
VR (Firmware Version)
HV (Hardware Version)
KY (AES Encryption Key)
CN (Exit AT Command Mode)
Command
<Command Mode Options> The
CN command is used to explicitly exit the module from AT Command Mode.
CS (GPO1 Configuration)
Command
<Serial Interfacing> CS
Command is used to select the
behavior of the GP01 pin (pin
9). This output can provide RS-
232 flow control, control
the TX enable signal (for RS-
485 or RS-422 operations).
By default, GP01 provides RS-
232 CTS (Clear-to- Send) flow
control.
AT Command: ATCF
Parameter Range: 0 – 2
Parameter Configuration
0
Commands utilize default
number base; decimal
commands may output units
1
All commands forced to
unsigned, unit-less hex
2
Commands utilize their
default number base; no
units are output
Default Parameter Value: 1
Number of bytes returned: 1
AT Command: ATCN
Binary Command: 0x09 (9 decimal)
AT Command: ATCS
Binary Command: 0x1F (31 decimal)
Parameter Range: 0 - 4
Parameter Configuration
0 RS-232 CTS flow control
1 RS-485 TX enable low
2 High
3 RS-485 TX enable high
4 Low
Default Parameter Value: 0
Number of bytes returned: 1
Related Commands: RT (GPI1 Configuration),
TO (GP01 Timeout)