CB FALCON MODBUS COMMUNICATION
30
Table 4. CB Falcon Modbus register map
040A-041A 1034-1050 Lockout history record 11 R
11
th
newest lockout. See Table 5.
041B-042B 1051-1067 Lockout history record 12 R
12
th
newest lockout. See Table 5.
042C-043C 1068-1084 Lockout history record 13 R
13
th
newest lockout. See Table 5.
043D-044D 1085-1101 Lockout history record 14 R
14
th
newest lockout. See Table 5.
044E-045E 1102-1118 Lockout history record 15 R Oldest lockout
045F 1119 Alarm code R U16 Lockout/alert code causing alarm (see register 2).
ALERT LOG
0460-0465 1120-1125 Alert log record 1 R U16 Most recent alert (see Table 9).
0466-046B 1126-1131 Alert log record 2 R U16
2
nd
newest alert.
046C-0471 1132-1137 Alert log record 3 R U16
3
rd
newest alert.
0472-0477 1138-1143 Alert log record 4 R U16
4
th
newest alert.
0478-047D 1144-1149 Alert log record 5 R U16
5
th
newest alert.
047E-0483 1150-1155 Alert log record 6 R U16
6
th
newest alert.
0484-0489 1156-1161 Alert log record 7 R U16
7
th
newest alert.
048A-048F 1162-1167 Alert log record 8 R U16
8
th
newest alert.
0490-0495 1168-1173 Alert log record 9 R U16
9
th
newest alert.
0496-049B 1174-1179 Alert log record 10 R U16
10
th
newest alert.
049C-04A1 1180-1185 Alert log record 11 R U16
11
th
newest alert.
04A2-04A7 11861191 Alert log record 12 R U16
12
th
newest alert.
04A8-04AD 1192-1197 Alert log record 13 R U16
13
th
newest alert.
04AE-04B3 1198-1203 Alert log record 14 R U16
14
th
newest alert.
04B4-04B9 1204-1209 Alert log record 15 R U16 Oldest alert.
04BA-0FFF 0954-4095 RESERVED
a
All temperature registers are expressed in ×C regardless what Temperature units (register 179) is set to. Temperature range is -
40×C to 130×C with values given in 0.1×C units (for example, 32.0×C = 320). A temperature that is NOT applicable in this
Falcon, i.e., not enabled, has a value of 0x8FFF. This temperature setting is denoted as “UNCONFIGURED” at the user
interface.
b
All percentage values are given in 0.1% granularity, i.e., 0-1000 is the range for 0.0-100.0%.
c Most significant bit in value determines which units type the parameter has: 0=RPM, 1=%. If Modulation Output parameter (reg-
ister 192) doesn’t match with the setting of this bit, then the parameter setting is invalid.
d
All temperature registers are expressed in ×C regardless what Temperature units (register 179) is set to. Temperature range is -
40×C to 130×C with values given in 0.1×C units (for example, 32.0×C = 320). A temperature that is NOT applicable in this
Falcon, i.e., not enabled, has a value of 0x8FFF. This temperature setting is denoted as “UNCONFIGURED” at the user
interface. When
configured for raw a2d counts a range of 0-4095 counts is outputted with no error detection provided in the corresponding status
register. When configured for 0-15 psi or 0-150 psi the value is expressed in 0.1 psi precision.
e
Pump control changed in Falcon starting with application build 1600 (see register 189). Pump status changed as a result.
Table 12 contains the status values for units prior to build 1600, and table 13 for build 1600 or later.
f
This register is a safety configuration parameter that requires successful access login (see register 177) before the setting can
be changed. Changing this parameter also requires a safety verification with the Falcon control afterwards to confirm that its
new setting is consistent with the other safety parameters.
g
Commanded rate in least significant byte of this register can be expressed in two formats: binary fraction % or multiple of 0.5%
steps. Bit 8 of this register indicates which format the commanded rate is expressed in; when bit 8 is set, the commanded rate is
in binary fraction % format and when bit 8 is cleared, the commanded rate is in 0.5% steps.
h
For binary fraction % format commanded rate is a binary fraction between .00000000 (0%=no heat at all) and .11111111 (99.98%
heat = maximum fire). For 0.5% step format commanded rate is a value between 0 (minimum fire) and 200 (maximum fire) that
is a multiple of 0.5% (200 x 0.5% = 100%).
i
For Modbus binary fraction mode the CH Modbus rate (register 581) is a binary fraction between .00000000 (0%=no heat at
all) and .11111111 (99.98% heat = maximum fire). For Modbus modulation step mode the CH Modbus rate is a 0.5% step format
with a value between 0 (minimum fire) and 200 (maximum fire) in multiples of 0.5% (200 x 0.5% = 100%).
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