14 Rockwell Automation Publication 1756-UM542A-EN-P - September 2014
Chapter 2 Setup
Table 2 - AOP Configuration Parameters
Parameter Description Value
Source Indicates the time source that is used for the module. 1 = GPS
2 = IRIG-B
3 = PTP
4 = NTP
5 = External GPS (future)
6 = Simulation
CIPSyncOutputEnable When this bit is set, the module enables 1588 PTP (CIP sync) output. 0 = 1588 PTP (CIP sync) output is disabled
1 = 1588 PTP (CIP sync) output is enabled
NTPOutputEnable When this bit is set, the module enables NTP on Ethernet. 0 = NTP v3 RF(1305) output is disabled
1 = NTP v3 RF(1305) output is enabled
IRIGBOutputEnable When this bit is set, the module enables IRIG-B on the coaxial interface. 0 = IRIG-B-122 output is disabled
1 = IRIG-B-122 output is enabled
IRIGBLockLostTX When this bit is set, the module keeps sending an IRIG-B signal aft
er it has lost lock to the
time source.
If this bit is clear, the module stops sending a valid IRIG-B signal when it has lost lock
with the time source, as long as it has had lock at least once previously.
0 = Module stops sending IRIG-B when lock is lost
1 = Module continues sending IRIG-B, even when a lock is
lost
PreV16Support If you are using RSLogix 5000 software, version 16.00.00 and later, or the Studio 5000
environment, version 21.00.00 and later, the UTC time base is different than earlier
versions of RSLogix 5000 software.
The setting syncs the time between Logix5000 controllers that use any version of
RSLogix 5000 software or the Studio 5000 environment.
0 = For all versions of RSLogix 5000 software or the Studio
5000 environment
1 = For RSLogix 5000 software, version 16.00.00 and earlier.
CSTMastershipEnable Indicates if the module is the CST master clock on the local rack (if no other CST master
clocks are currently active).
0 = Module does not attempt to be the CST master clock
1 = Module does attempt to be the CST master clock
WebserverEnable Allows you to access the web server from a web browser pointed to the IP address of the
module.
0 = Module does not allow access to the web server
1 = Module allows access to the web server
NTPUpdateInterval The time (in seconds) when the module requests an update of the time from the NTP
server.
Example:
5 = 5 seconds
30 = 30 seconds
300 = 5 minutes
3600 = 1 hour
86400 = 1 day
604800 = 1 week
ExternalSourceAddress The external source address is used for one of two sources depending on how the
confi
guration is set:
• If the time source is set to NTP, this is the IP address of the source that is used.
• If the source is set to External GPS, this is the IP address of the GPS receiver.
In this example, the module uses external IP address:
192.168.1.100
Byte 0 = 192
Byte 1 = 168
Byte 2 = 1
Byte 3 = 100
Priority1 This is the override for the Best Master Clock Algorithm (BMCA). The default is 128.
Values lower than 128 indicate preference on the network.
Priority2 This is used to break a tie between two modules with the same priority 1 value. The default is 128.
Values lower than 128 indicate preference on the network.
CIPSyncTimeToLive Limits the lifespan of data in a network. It
prevents the IP packet from circulating
indefinitely.
Example:
1 = the packet circulates once
CIPSyncInterval The time interval when the module sends out a PTP sync packet. Allowed values:
1/2 = 500 ms
1 = 1 second
2 = 2 seconds
AdvancedConfig These are various bits used to set c
ertain options in the module. Bit:
0 =Simulation Mode
1…31 = Reserved
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