AERCO SmartPlate - Manual (Page 97)

SmartPlate Installation, Operation & Maintenance Manual
APPENDIX A – MODBUS CONTROL AND COMMUNICATION
OMM-0069_0E AERCO International, Inc.  100 Oritani Dr.  Blauvelt, NY 10913 Page 97 of 138
SP-100 Phone: 800-526-0288 PRI: 11/26/2013
A.2 MODBUS COMMUNICATION INFORMATION
NOTE
The Eurotherm 2400 Controller supports the MODBUS RTU mode
of transmission. The default settings are as follows: 9600 Baud
Rate, one start bit, eight data bits, one stop bit, & no parity bit.
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 40-180°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
REFERENCE DOCUMENTS
:
1. Eurotherm 2000 Series Communications Handbook, # HA026230
2. Eurotherm 2404/2408 Control Setpoint Programmer Installation and Operation
Handbook, # HA025132