Index
GFK-2839B
PAC8000* IO PROFINET Scanner
User’s Manual–September 2017
39
4.1.2
Input Status Registers
Byte
Register
Description
1
PNS Status Register (PSR)
Device/Scanner Status
2
3
PNS Network Port Status Register (PNSR)
Network Status
4
PNS Power Status Register (PPSR)
Power Status
5
Module Health Status Register (MHSR)
IO module Health Status
6
7
8
4.1.2.1
PNS Status Register (PSR)
The PSR provides 16 bits of information about the PNS module. All status bits are active
high.
Status
Bits
Name
Description
1 (LSB)
PNS OK
1 = PAC8000 PNS is up and running
0 = Unrecoverable fault detected during power up
2
PNS Fault
1 = Alarm generated by PNS
0 = All alarms are cleared.
3
PNS Failsafe
1 = PNS is in failsafe state
0 = PNS is not in failsafe state
4
Heartbeat Echo
IO-
Controller sets “Heartbeat” in output control register and
when PNS receives it, it echoes back that value in
“Heartbeat Echo”. Echoing before the configured
communication timeout confirms communication between
IO-Controller and PNS is healthy.
5
Heartbeat Status
1 = Heartbeat failure
0 = Heartbeat OK
6-16
Reserved
4.1.2.2
PNS Network Port Status Register (PNSR)
The PNSR provides 8 bits of information about the network. All status bits are active high.
Status
Bits
Name
Description
1(LSB)
Port 1 Link Status
1 = Link detected at port 1 of PNS
0 = Link failure at port 1 of PNS
2
Port 2 Link Status
1 = Link detected at port 2 of PNS
0 = Link failure at port 2 of PNS
3-8
Reserved
Reserved for future use
