Owner manual
Benchmark 1500DF - 2000DF Boilers
CHAPTER 9 – RS232 COMMUNICATION
Page 122 of 196 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0098_0A
04/01/2014 Ph.: 800-526-0288 GF-144
NOTE
The Sensor (S) Log can store up to 1200 records. Therefore, to
view the most recently logged record, enter “S” followed by 0
(zero) and then press Enter (i.e. S0 <Enter>). To view earlier
records in reverse chronological order, enter S and press Enter.
To go back 200 or 700 records, enter S200 or S700, etc. and
press Enter.
9.4.3 Sensor Log
The sensor values can be logged at a different rate if needed by setting the Sensor Log Interval
in the Diagnostics Menu. The log interval can vary from once every minute to once every day.
Table 9-3 shows a sample Sensor Log every 5 minutes for a boiler running in Constant Setpoint
mode.
Table 9-3: Sample Sensor Log Display
Setpt Outlet Outdr FFWD Aux Inlet Exhst CO O2 Flow Date Time
130 181 OPEN OPEN OPEN OPEN OPEN 0 .0 0 1/15/02 5:51pm
130 180 OPEN OPEN OPEN OPEN OPEN 0 .0 0 1/15/02 5:46pm
130 180 OPEN OPEN OPEN OPEN OPEN 0 .0 0 1/15/02 5:41pm
130 179 OPEN OPEN OPEN OPEN OPEN 0 .0 0 1/15/02 5:36pm
130 180 OPEN OPEN OPEN OPEN OPEN 0 .0 0 1/15/02 5:31pm
130 180 OPEN OPEN OPEN OPEN OPEN 0 .0 0 1/15/02 5:26pm
130 180 OPEN OPEN OPEN OPEN OPEN 0 .0 0 1/15/02 5:21pm
130 180 OPEN OPEN OPEN OPEN OPEN 0 .0 0 1/15/02 5:16pm
130 179 OPEN OPEN OPEN OPEN OPEN 0 .0 0 1/15/02 5:11pm
130 180 OPEN OPEN OPEN OPEN OPEN 0 .0 0 1/15/02 5:06pm