System variables
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8.3.2 Management/diagnostic variables for each configured F-
Device
The table below lists management/diagnostic variables. These variables can be created in
PLCnext Engineer for each configured F-Device. The table shows which variables are cre-
ated by default. This setting can be modified by changing the value (create / do not create)
(see Figure 4-47 on page 124).
Management/diagnostic variable Default setting
F_ADDR_XXXXX_ACK_REQ Create
F_ADDR_XXXXX_ACK_REI Create
F_ADDR_XXXXX_PASS_OUT Create
F_ADDR_XXXXX_PASS_ON Create
F_ADDR_XXXXX_DEVICE_FAULT Create
F_ADDR_XXXXX_CE_CRC Create
F_ADDR_XXXXX_WD_TIMEOUT Create
F_ADDR_XXXXX_IPAR_OK Do not create
F_ADDR_XXXXX_IPAR_EN Do not create
F_ADDR_XXXXX_CHF_ACK_REI Do not create
F_ADDR_XXXXX_CHF_ACK_REQ Do not create
F_ADDR_XXXXX_CE_CRC_H Do not create
F_ADDR_XXXXX_WD_TIMEOUT_H Do not create
F_ADDR_XXXXX_LOOPBACK Do not create
Table 8-6 Management/diagnostic variables for each configured F-Device
System variable Ty pe Meaning
F_ADDR_XXXXX_PASS_ON *) BOOL F-Device XXXXX is passivated when this variable is set to TRUE from
the application program.
F_ADDR_XXXXX_PASS_OUT *) BOOL F-Device XXXXX is passivated.
Possible reasons for passivation:
– Programmed passivation via the F_ADDR_XXXXX_PASS_ON
system variable
– Communication, device, and parameterization errors (see F_AD-
DR_XXXXX_ACK_REQ system variable)
WARNING:
Resetting this variable to FALSE means that the safe input
and output data is transmitted immediately.
Take appropriate measures to ensure that your sys-
tem/machine does not present any danger when passiva-
tion of the F-Device is reset.