11-8 869 MOTOR PROTECTION SYSTEM – COMMUNICATIONS GUIDE
MODBUS MEMORY MAP CHAPTER 11: MODBUS MEMORY MAP
30750 0x02ED Element Status 5 (Any 
Block)
0 65535 1 FC151 0 1
30751 0x02EE Element Status 6 (Any 
Pickup)
0 65535 1 FC151 0 1
30752 0x02EF Element Status 7 (Any OP) 0 65535 1 FC151 0 1
30753 0x02F0 Element Status 8 (Reset) 0 65535 1 FC151 0 1
30754 0x02F1 Element Status 9 
(Setpoint Access)
0 65535 1 FC151 0 1
30755 0x02F2 Element Status 10 (Active 
Security Login)
0 65535 1 FC151 0 1
30756 0x02F3 Element Status 11 
(Security Status)
0 65535 1 FC151 0 1
30757 0x02F4 Element Status 12 
(Targets Active)
0 65535 1 FC151 0 1
30758 0x02F5 Element Status 13 (In 
Service)
0 65535 1 FC151 0 1
30759 0x02F6 Element Status 14 (Test 
Mode)
0 65535 1 FC151 0 1
30760 0x02F7 Element Status 15 (Any 
Major Error)
0 65535 1 FC151 0 1
30761 0x02F8 Element Status 16 (Any 
Minor Error)
0 65535 1 FC151 0 1
30762 0x02F9 Element Status 17 
(Programmable PB 1)
0 65535 1 FC151 0 1
30763 0x02FA Element Status 18 
(Programmable PB 2)
0 65535 1 FC151 0 1
30764 0x02FB Element Status 19 
(Programmable PB 3)
0 65535 1 FC151 0 1
30765 0x02FC Element Status 20 
(Output Relay 1)
0 65535 1 FC151 0 1
30766 0x02FD Element Status 21 
(Output Relay 2)
0 65535 1 FC151 0 1
30767 0x02FE Element Status 22 
(Output Relay 3)
0 65535 1 FC151 0 1
30768 0x02FF Element Status 23 
(Output Relay 4)
0 65535 1 FC151 0 1
30769 0x0300 Element Status 24 
(Output Relay 5)
0 65535 1 FC151 0 1
30771 0x0302 Element Status 26 
(Critical Fail)
0 65535 1 FC151 0 1
30772 0x0303 Element Status 27 
(Comms OK)
0 65535 1 FC151 0 1
30774 0x0305 Element Status 29 (BKR1 
Status Closed)
0 65535 1 FC151 0 1
30775 0x0306 Element Status 30 (BKR1 
Status Opened)
0 65535 1 FC151 0 1
30776 0x0307 Element Status 31 (BKR1 
Status Unknown)
0 65535 1 FC151 0 1
30777 0x0308 Element Status 32 (BKR1 
Status Disconnected)
0 65535 1 FC151 0 1
30778 0x0309 Element Status 33 (BKR1 
52a Contact)
0 65535 1 FC151 0 1
30779 0x030A Element Status 34 (BKR1 
52b Contact)
0 65535 1 FC151 0 1
30780 0x030B Element Status 35 (BKR2 
Status Closed)
0 65535 1 FC151 0 1
Modbus 
Address
Hex 
Address
Description Min Max Step Units Format 
Code
Factory 
Default
Size in 
Words