AERCO Modbus Communications Manual for ECS - Manual (Page 7)

3
Table 2. Eurotherm Series 2400 Controller MODBUS Points
MODBUS
Data
Address
Menu
Item
Menu Item
Description
Units &
Range Default/Comments
Register
Type
Ref. 1
Comm.
Guide
5 w.SP Setpoint 40-205°F 140°F, Address to
read value Read
Only
5-4
24 SP 1 Setpoint 40-205°F 140°F, Address to
change value Write 5-11
1 Top
Value
Outlet Temp 40-205°F Same value as front
display Read
Only
5-3
133 LoGH Peak Temp 40-205°F Resets on Power
Loss Read
Only
5-15
135 LoGA Average
Temp 40-205°F Resets on Power
Loss Read
Only
5-15
134 LoGL Low Temp 40-205°F Resets on Power
Loss Read
Only
5-15
13 (set)
74 (status,
0 = safe
1 = alarm)
AL 1 Over Temp
Alarm 40-205°F 20°F above
setpoint; Alarm
Type 17: Deviation
High Read
Only
5-7
5-20
14 (set)
74 (status,
0 = safe
1= alarm)
AL 2
(FSH)
Full Scale
High Alarm 205°F 205 ° F
Alarm Type 2: Full
Scale High
Read
Only
5-7
5-20
258 Sbr Feedback
Sensor Break Status:
0: Good
1: Failed
Denotes Feedback
Sensor
Failure/Open Circuit Read
Only
5-18
289 Li 1 Feedback
Sensor Temp 40-180°F Sensor input to
controller, same as
display temp. Read
Only
5-14
290 Li 2 Flow GPM Read
Only
5-14
3 OP Control
Output Signal % Correlates to valve
position
Read
Only
5-4
26 RmSet
pt
Remote
Setpoint (40 to 180)
°F Holding