Modbus, Communication, Gf-114 – AERCO Modbus Communications Manual User Manual
Page 97
Appendix A
MODBUS
Communication
GF-114
Status Messages & Equations
USER MANUAL
OMM-0035_0C
05/18/12 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526-0288
Page
97 of 200
Table A-7: I/O Status
(
NOTE: MSD = Most Significant Digit; LSD = Least Significant Digit)
I/O
STATUS
(MSD
Bit 3)
INTER-
LOCK
(MSD
Bit 2)
INTER-
LOCK 2
(MSD
Bit 1)
SETBAC
K
(MSD
Bit 0)
(LSD
Bit 3)
SYS
STRT
RELAY
(LSD
Bit 2)
FAULT
RELAY
(LSD
Bit 1)
AUX
RELAY
(LSD
Bit 0)
00
N/A
OFF
OFF
OFF
N/A
OFF
OFF
OFF
01
N/A
OFF
OFF
OFF
N/A
OFF
OFF
ON
02
N/A
OFF
OFF
OFF
N/A
OFF
ON
OFF
03
N/A
OFF
OFF
OFF
N/A
OFF
ON
ON
04
N/A
OFF
OFF
OFF
N/A
ON
OFF
OFF
05
N/A
OFF
OFF
OFF
N/A
ON
OFF
ON
06
N/A
OFF
OFF
OFF
N/A
ON
ON
OFF
07
N/A
OFF
OFF
OFF
N/A
ON
ON
ON
08 - 09
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
10
N/A
OFF
OFF
ON
N/A
OFF
OFF
OFF
11
N/A
OFF
OFF
ON
N/A
OFF
OFF
ON
12
N/A
OFF
OFF
ON
N/A
OFF
ON
OFF
13
N/A
OFF
OFF
ON
N/A
OFF
ON
ON
14
N/A
OFF
OFF
ON
N/A
ON
OFF
OFF
15
N/A
OFF
OFF
ON
N/A
ON
OFF
ON
16
N/A
OFF
OFF
ON
N/A
ON
ON
OFF
17
N/A
OFF
OFF
ON
N/A
ON
ON
ON
18 - 19
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
20
N/A
OFF
ON
OFF
N/A
OFF
OFF
OFF
21
N/A
OFF
ON
OFF
N/A
OFF
OFF
ON
22
N/A
OFF
ON
OFF
N/A
OFF
ON
OFF
23
N/A
OFF
ON
OFF
N/A
OFF
ON
ON
24
N/A
OFF
ON
OFF
N/A
ON
OFF
OFF
25
N/A
OFF
ON
OFF
N/A
ON
OFF
ON
26
N/A
OFF
ON
OFF
N/A
ON
ON
OFF
27
N/A
OFF
ON
OFF
N/A
ON
ON
ON
28 - 29
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
30
N/A
OFF
ON
ON
N/A
OFF
OFF
OFF
31
N/A
OFF
ON
ON
N/A
OFF
OFF
ON
32
N/A
OFF
ON
ON
N/A
OFF
ON
OFF
33
N/A
OFF
ON
ON
N/A
OFF
ON
ON
34
N/A
OFF
ON
ON
N/A
ON
OFF
OFF
35
N/A
OFF
ON
ON
N/A
ON
OFF
ON
36
N/A
OFF
ON
ON
N/A
ON
ON
OFF
37
N/A
OFF
ON
ON
N/A
ON
ON
ON
38 - 39
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
40
N/A
ON
OFF
OFF
N/A
OFF
OFF
OFF
41
N/A
ON
OFF
OFF
N/A
OFF
OFF
ON
42
N/A
ON
OFF
OFF
N/A
OFF
ON
OFF
43
N/A
ON
OFF
OFF
N/A
OFF
ON
ON
44
N/A
ON
OFF
OFF
N/A
ON
OFF
OFF
45
N/A
ON
OFF
OFF
N/A
ON
OFF
ON