GE B30 UR Series Instruction Manual page 522

B.4 MEMORY MAPPING
F627
ENUMERATION: REDUNDANCY MODE
Enumeration Item
0 None
1 Failover
B
2 PRP
F628
ENUMERATION: SECURITY BYPASS ACCESS
Disables security on local access, remote access, or both.
B-104
Enumeration
0
1
2
3
B30 Bus Differential System
APPENDIX B
Item
Disabled
Local and Remote
Local
Remote
GE Multilin