AERCO Control System (ACS)
APPENDIX G:
Programming Using RS232 Communication
Page 118 of 139
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, New York 10913
11/22/2017
GF-131
Phone: 800-526-0288
OMM-0081_0F
TABLE G-1: ACS Commands
No.
Command
Entry Range
Factory Default
38
(Day 1 – Sun.)
Thru
Offset Temperatures (Day 1-7)
-50 to +50°F
All Set To 0°F
44
(Day 7 – Sat.)
45
(Sun.)
Thru Offset ON Time – Minutes (Sun.-Sat.)
00 to 59
All Set to Zero
51
(Sat.)
52
(Sun.)
Thru
Offset ON Time – Hours (Sun.-Sat.)
00 to 23
All Set To Zero
58
(Sat.)
59
Offset Enable
0 = Disabled
1 = Enabled
0 = Disabled
60
Header Temp Offset (°F)
-10°F to 10°F
0
61
System Start Interlock
1 = Intlk 1 Opens
Start Relay
2 = Intlk 2 Opens
Start
Relay
3 = Either Intlk
Opens
Start Relay
1 = Intlk 1
70
(Sun.)
Thru Offset OFF Time – Minutes (Sun.-Sat.)
00 to 59
All Set To Zero
76
Sat.)
77
(Day 1)
Thru Offset OFF Time – Hours (Day 1-7)
0 to 23
All Set To Zero
83
(Day 7)
84
(Reserved)
85
Not Used
0 or 1
86
Remote Signal
0 or 1
0 = 4 - 20 mA
1 = Modbus
0 = 4 - 20 mA
87
RS232 Mode
0 or 1
0 = Normal
1 = Modbus
1 = Modbus
88
RS232 Baud Rate
0=2400, 1=4800,
2=9600, 3=14400,
4=19200
2 = 9600
89
Number Of Network Boilers
0 to 32
2
90
Min Slave Address
0 to 127
0
91
Max Slave Address
0 to 127
0
92
Net Boiler 1 Address
Address for Network
Boiler 1
001
93
Net Boiler 2 Address
Address for Network
Boiler 2
002
94
Net Boiler 3 Address
Address for Network
Boiler 3
000
