Installation / Operation Instruction Manual

Table Of Contents
Page 42
7.E Modbus and BACnet memory displays (continued)
Modbus
Address
Type
R/W
Notes
Map Descriptor Name
BACnet
Data Type
BACnet
Object ID
Read/Write
48 U16 Read History - Boiler Pump Cycles AI 48 Read
49 U16 Read History - DHW Pump Cycles AI 49 Read
50 U16 Read History - System Pump Cycles AI 50 Read
51 S16 Read History - Average Boiler Outlet Temperature AI 51 Read
52 S16 Read History - Maximum Boiler Outlet Temperature AI 52 Read
53 S16 Read History - Minimum Boiler Outlet Temperature AI 53 Read
54 S16 Read History - Boiler Average Firing Temperature AI 54 Read
55 U16 Read History - Boiler Maximum Firing Time AI 55 Read
56 U16 Read History - Boiler Minimum Firing Time AI 56 Read
64
S16
Read Modulation sensor AI 64 Read
0 = None
1 = Outlet
2 = DHW
3 = System
4 = Inlet
5 = Flue
6 = System Return
65 U16 Read Lead Lag (Cascade) active service AI 65 Read
66
U16
Read Lag 1 State AI 66 Read
0 = Not Present
1 = Not Available
2 = Available
3 = Running
4 = Locked Out
67 U16 Read Lag 1 Firing Rate AI 67 Read
Current firing rate (0-100%)
68
U16
Read Lag 2 State AI 68 Read
0 = Not Present
1 = Not Available
2 = Available
3 = Running
4 = Locked Out
69 U16 Read Lag 2 Firing Rate AI 69 Read
Current firing rate (0-100%)
70
U16
Read Lag 3 State AI 70 Read
0 = Not Present
1 = Not Available
2 = Available
3 = Running
4 = Locked Out
71 U16 Read Lag 3 Firing Rate AI 71 Read
Current firing rate (0-100%)
72
U16
Read Lag 4 State AI 72 Read
0 = Not Present
1 = Not Available
2 = Available
3 = Running
4 = Locked Out
73 U16 Read Lag 4 Firing Rate AI 73 Read
Current firing rate (0-100%)
74
U16
Read Lag 5 State AI 74 Read
0 = Not Present
1 = Not Available
2 = Available
3 = Running
4 = Locked Out
75 U16 Read Lag 5 Firing Rate AI 75 Read
Ccrrent firing rate (0-100%)
76
U16
Read Lag 6 State AI 76 Read
0 = Not Present
1 = Not Available
2 = Available
3 = Running
4 = Locked Out
77 U16 Read Lag 6 Firing Rate AI 77 Read
Ccrrent firing rate (0-100%)
78
U16
Read Lag 7 State AI 78 Read
0 = Not Present
1 = Not Available
2 = Available
3 = Running
4 = Locked Out
79 U16 Read Lag 7 Firing Rate AI 79 Read
Current firing rate (0-100%)
80
U16
Read Lead 0 State AI 80 Read
0 = Not Present
1 = Not Available
2 = Available
3 = Running
4 = Locked Out
81 U16 Read Lead 0 Firing Rate AI 81 Read
Current firing rate (0-100%)
82 S16 Read Lead Firing Rate AI 82 Read
Current firing rate of the Cascade Lead (0-100%)
83 U16 Read Active CH Setpoint AI 83 Read
0=None
5 = Start
24 = Error Block
160 = Standby
165 = Check Safety Swtich
166 = Run
177 = Prepurge Open
181 = Parameter Block
183 = Lockout
188 = Testmode
194 = Prepurge Closed
195 = Wait for HIS Free
196 = HIS Preheat/Prespark
200 = Verify Primary SF
ReadU1684 Burner Status 1 AI 84 Read