
Serial Interface Manual
TLS4/TLS-450 Monitoring Systems
Part No. 577013-950, Revision L
639
Function Code C21 Notes:
(Continued)
Typical Response Message, Computer Format:
<SOH>iC21PPYYMMDDHHmmPPnnTTddYYMMDDHHmmYYMMDDHHmmLLLLLLLLllllllll
NNFFFFFFFF...
PPnnTTddYYMMDDHHmmYYMMDDHHmmLLLLLLLLllllllll
NNFFFFFFFF&&CCCC<ETX>
Notes:
1.
YYMMDDHHmm - Current Date and Time
2.
PP - Product Number (Decimal, 00=all products)
3.
nn - Number of tanks that are mapped to the product (Decimal)
4.
TT - Tank Number (Decimal, 00=all)
5.
dd - Number of reconciliation records to follow
6.
YYMMDDHHmm - Open date and time
7.
YYMMDDHHmm - Close date and time
8.
LLLLLLLL - failure to calibrate in 56 days (bit encoded long integer with
tank 1=lsb)
9.
llllllll - tank chart alarm (bit encoded long integer with tank 1=lsb)
10.
NN - Number of eight character Data Fields to follow (Hex)
11.
FFFFFFFF - ASCII Hex IEEE floats:
1. book variance
2. delivery variance
3. sales variance
4. book variance percent
5. temperature variance
6. water change
7. unexplained variance
8. Meter variance
9. Vapor variance
12.
&& - Data Termination Flag
13.
CCCC - Message Checksum