Johnson Controls F4-SNC - Wiring considerations and guidelines

Partition example
Table 11: Partition example using Recovery button and SCT Code Download
Partition
User Action
A B
SNE Release per Partition
Verify currently
active partition
Active Inactive Partitions A and B have Rel. 10.1.0.3976
Press button 1st
time
Active Inactive Partitions A and B have Rel. 10.1.0.3976
Press button 2nd
time
Inactive Active Partitions A and B have Rel. 10.1.0.3976
Press button 3rd
time
Inactive Active Partitions A and B have Rel. 10.1.0.3976
Press button 4th
time
Active Inactive Partitions A and B have Rel. 10.1.0.3976
Press button 5th
time
Active Inactive Partitions A and B have Rel. 10.1.0.3976
Perform SNC code
download Rel.
11.0.0.7212 with SCT.
Inactive Active
Partition B has Rel. 11.0.0.7212
Partition A has Rel. 10.1.0.3976
Press button 6th
time
Inactive Active
Partition B has Rel. 11.0.0.7212
Partition A has Rel. 10.1.0.3976
Perform SNC code
download Rel.
11.0.0.7212 with SCT.
Active Inactive
Partition A has Rel. 11.0.0.7212
Partition B has Rel. 11.0.0.7212
Press button 7th
time
Active Inactive
Partition A has Rel. 11.0.0.7212
Partition B has Rel. 11.0.0.7212
Wiring considerations and guidelines
Table 12: Ethernet network rules
Category Allowed maximums and rules
General Star topology with network switches
2,000 m (6,600 ft) for plastic or glass fiber optic with external adapter
Line length and type
1000 BaseT: 100 m (330 ft) CAT5E cable
100 BaseT: 100 m (330 ft) CAT5 cable
10 BaseT: 100 m (330 ft) CAT5 cable
Terminations For 1000/100/10 BaseT, no line terminators allowed.
Table 13: FC Bus rules for MS/TP devices
Category Allowed maximums and rules
General
One FC Bus with up to 50 MS/TP devices for SNC25151-0 and SNC16121-0 and up to 4 MS/TP
devices for the SNC25151-0x/x and SNC16121-04.
Note: An FC port on a SNC can connect to only one bus segment on an FC Bus.
Only a daisy-chain topology is allowed (no Star or T topology configurations).
One FC Bus Supports up to 50 MS/TP controllers on a single FC Bus segment for the SNC25151-0
or SNC16121-0.
Number of devices
One FC Bus Supports up to 4 MS/TP controllers on a single FC Bus segment. for the SNC25151-0x/
x or SNC16121-04.
F4-SNC Installation Guide20