Troubleshooting guide

51
Table 51-1 Modbus Variable Lists
address
descriptionValue / (unit) function number Data Class
10001 Fill valve status
0:off 1:on
10002 Drain valve status
0:off 1:on
10003 contactor 1 status
0:off 1:on
10004 contactor 2 status
0:off 1:on
10005 contactor 3 status
0:off 1:on
10006 contactor 4 status
0:off 1:on
10008 Network control
0:Local 1:Remote
1comm type
0:485 1:PSP
2Sensor select
0:Humidistat 1:RH sensor
3High limit sensor select
0:not use 1:use
4Outside temperature
0:not use 1:use
5Network enable
0:disable 1:enable
6Modulating Fill enable
0:enable 1:disable
30001 Desired RH / Demand
(%)
30002 Steam Output
(kg/hr)
30003 Water level
0:low 1:normal 2:high 3:exception
30004 Run status
0:Idle 1:Steam gen. 2:Cycle drain 3:End of season drain 4:Bed dring 5:Failure 6:Drain 7:heat
8:Manual drain 9:Fill 10: Test 11: Manual stop 12: Empty drain
30005 Bed life(hours)
30006 Bed life(Minutes)
30007 Run Time (hours)
30008 Run Time (Minutes)
30009 Drain Freq (hours)
30010 Drain Freq (Minutes)
30011 Idle Time (hours)
30012 Idle Time (Minutes)
30013 RH / Demand (Analog input) (%)
30014 Duct value (%)
30015 Outside temperature(℃)
30016 Water temperature(℃)
30017 Heat temperature(℃)
30018 Failure
1:Over temperature 2:High humidity/sail switch circuit is open 3:Illegal level switch state 4:Unit
have reached 100% of bed life 5:Fill time out to low level 6:Water level dropped below level
during normal run 7:Fill time out from low to high level 8:Water level above high level time out
9:Water level has not dropped below low level during an emptydrain 10:End of bed dring
30019 Contactor number 1,2,3,4
30020 Heating Element Power 0:1000W 1:3000 2:5000W 3:6650W 4:8000W
40001 Language Select
0:English 1:Chinese
40002 Set RH / Demand
(%)
40003 Duct High Limit set point
(%)
40004 Outside temp. high set point
(℃)
40005 Outside temp. low set point
(℃)
40006 Outside RH low set point
(%)
40007 Run mode
0:Steam Gen 1:Manual Drain 2:Manual Fill 3:Unit stop
40008 AQUASTAT
(℃)
40009 Bed Life
0:500hours 1:750hours 2:1000hours 3:1250hours 4:1500hours 5:1750hours 6:2000hours
7:2250hours 8:2500hours 9:3000hours 10:No bed
40010 Drain Cycle
0:6hours 1:12hours 2:24hours 3:48hours 4:96hours 5:Real time drain
40011 Drain duration
0:1Minutes 1:5Minutes 2:10Minutes
40012 Signal type
0:0-10V 1:0-5V 2:1.9-3.9V 3:4-20mA
40013 PID_DIV
40014 PID_PB
40015 PID_SI
(second)
40016 PID_DG
40017 Modulating Fill Cycle
(second)
40018 Modulating Fill duration
(second)
40019 Water temp. compensate
(℃)
40020 Themocouple compensate
(℃)
40021 First run
40022 Idle time
(hour) test for End of seanson drain
40023 Drain time
(hour) test for Cycle drain
40024 Bed life
(hour) test for End of Life
40025 Bed drying time
(hour) test for whole Bed drying cycles, 96 hours max.
40026 Bed drying time
(minute) test for one Bed Drying cycle, 30 minutes max.
Modbus Variants list
BI
Bits
AI
AV
function 2 , read
only
function 1,read onl
y
: function 5,15
write
function4 , read
only
function3 read
only,function 6,16
write
function 6 , for
debug only
AV