NOM_CMD_DFB: Explicit Exchange for BMXNOM0200 in an X80 Drop
Original instructions
About us
Description of the function
The NOM_CMD_DFB function is used to perform one of the following explicit exchange (READ_STS or WRITE_CMD) with a BMXNOM0200 module located on an X80 drop.
The additional parameters EN and ENO may also be configured.
var_NOM_CMD_DFB
var_NOM_CMD_DFB is a DDT structure that can be used to address input/output parameters of an instance of the NOM_CMD_DFB.
The DDT structure contains the same elements as the DFB type NOM_CMD_DFB:
Element
Type
cra_ip_addr
STRING
rack
BYTE
module
BYTE
channel
BYTE
select_write_CMD
BOOL
select_read_STS
BOOL
active_CMD_NOM
BOOL
FBD representation
LD representation
IL representation
Representation:
CAL NOM_CMD_DFB_Instance (cra_ip_addr:=Var_NOM_CMD_DFB.cra_ip_addr, rack:=Var_NOM_CMD_DFB.rack, module:=Var_NOM_CMD_DFB.module, channel:=Var_NOM_CMD_DFB.channel, select_write_CMD:=Var_NOM_CMD_DFB.select_write_CMD, select_read_STS:=Var_NOM_CMD_DFB.select_read_STS, active_CMD_NOM:=Var_NOM_CMD_DFB.active_CMD_NOM)
ST representation
Representation:
NOM_CMD_DFB_Instance (cra_ip_addr:=Var_NOM_CMD_DFB.cra_ip_addr, rack:=Var_NOM_CMD_DFB.rack, module:=Var_NOM_CMD_DFB.module, channel:=Var_NOM_CMD_DFB.channel, select_write_CMD:=Var_NOM_CMD_DFB.select_write_CMD, select_read_STS:=Var_NOM_CMD_DFB.select_read_STS, active_CMD_NOM:=Var_NOM_CMD_DFB.active_CMD_NOM);
Description of parameters
The following table describes the input parameters:
Parameter
Type
Comment
cra_ip_addr
STRING
IP address of the CRA module: if empty (a space): access to the BMXNOM0200 module located on the local rack of the CPU. if filled: access to the BMXNOM0200 module located on the X80 drop.
rack
BYTE
Rack number, where the NOM module is located.
module
BYTE
Module number, slot position where the BMXNOM0200 module is located on the rack.
channel
BYTE
Channel number, 0 or 1.
select_write_CMD
BOOL
Allow to send a Write_Cmd to the BMXNOM0200 module, when active_CMD_NOM is True.
select_read_STS
BOOL
Allow to send a Read_Sts of the BMXNOM0200 module, when active_CMD_NOM is True.
NOTE: select_write_CMD and select_read_STS are exclusive.
The following table describes the input/output parameters:
Parameter
Type
Comment
active_CMD_NOM
BOOL
Active the sending request of Write_Cmd or Read_Sts.