Installation
Table of Parameters for DC Option: RS-485 Modbus
Parameter Name
Analog Input
-1999 .000 to 9999 .000°F
-1128 .000 to 5537 .000°C
Analog Input Error
None (61)
Open (65)
Fail (32)
Shorted (127)
Measurement Error (140)
Bad Calibration Data (139)
Ambient Error (9)
RTD Error (141)
Not Sourced (246)
Calibration Offset
-1999 .000 to 9999 .000°F
-1128 .000 to 5537 .000°C
Digital in 5
Inactive (41)
Active (5)
Digital out 6
Off (62)
On (63)
EZ-KEY
Inactive (41)
Active (5)
Control Mode Active
Off (62)
Auto (10)
Manual (54)
Heat Power
0 .0 to 100 .0%
Set Point
-1999 .000 to 9999 .000°F
-1128 .000 to 5537 .000°C
Remote Set Point
No (59)
Yes (106)
Remote Set Point Type
Auto (10)
Manual (54)
Process Value
-1999 .00 to 9999 .000°F
-1128 .000 to 5537 .000°C
Control Mode
OFF (62)
Auto (10)
Manual (54)
Close Loop Set Point
40-160 std
40-170 T170 Option
40-180 T180 Option
40-190 T190 Option
40-200 T200 Option SPCL
Open Loop Set Point
0 to 100%
Display Units
Fahrenheit (30)
Celsius (15)
Address Modbus
1-247
Baud Rate
9600 (188)
19200 (189)
38400 (190)
Parity Modbus
None (61)
Even (191)
Odd (192)
Modbus Units
Fahrenheit (30)
Celsius (15)
Modbus Word Order
Low-High (1331)
High-Low (1330)
Non-Volatile Save
Yes (106)
No (59)
NOTICE! For adjusting Modbus address, baud
rate and parity, customer needs to set
on Watlow controller per Watlow manual.
Bradley • 215-1823 Rev. F; ECN 18-17-017
Range
Map 1
360
362
382
1328
1042
1368
1882
1904
2172
2200
2202
402
1880
2160
2162
1838
2482
2484
2486
2490
2488
2494
Map 2
Default
Data Type
360
--
FLOAT
362
None
UINT
382
Factory Set
FLOAT
1568
--
UINT
1162
--
UINT
1608
--
UINT
2362
Auto
UINT
2384
--
FLOAT
2652
--
FLOAT
2680
No
UINT
2682
No
UINT
402
FLOAT
2360
Auto
UINT
2640
Factory Set
FLOAT
2642
--
FLOAT
2308
°F
UINT
2962
1
UINT
2964
9600
UINT
2966
None
UINT
2970
°F
UINT
2968
Low-High
UINT
2974
Yes
UINT
uint = Unsigned 16 bit int
dint = Long 32 bit
RWES = Readable, Writable, EEPROM (saved), User Set (saved)
3/29/2018
HL-Series Tankless Heater
Read/
Write
HL Series Meaning
R
Process Value
R
Process Value Sensor Error
RWES
Process Value Calibration
R
Flow Activation
R
AL Only Alarm Status
R
EZ-Key
R
Control Loop Mode
R
Duty Cycle Output %
R
Heater Set Point
RWES
Remote Set Point Enable
RWES
Remote Set Point Control Mode
R
Process Value
RWES
Control Loop Mode
RWES
Heater Set Point
RWES
Manual Mode Set Point
RWES
Controller Display Units
RWE
Modbus Address
RWE
Modbus Baud Rate
RWE
Modbus Parity
RWE
Communication Units
RWE
Modbus Word Order
RWE
If set to yes, all values to the control will
be saved from EEPROM
Legend
string = ACSII (8 bit per character
float = IEEE 754 32 bit
19