Honeywell SV2 Series User Manual page 212

SV2 Series Safety Shut-off Valves
Table 33. Holding Register Attributes.
Holding Meaning
Register Bit
0 Register exists
1 Register is writable
2 Safety parameter register
3 Safety parameter register was changed. Need to perform Safety Parameters Verification process.
Table 34. Holding Register Mapping.
Address Type Valve
Model
Dec Hex
73 49
74 4A
75 4B
78 4E
79 4F
90 5A
General All
91 5B
148 94
149 95
255 FF
256 100
257 101
258 102
259 103
285 11D
Intelligence Description
Level
Selectable units for temperature
Selectable units for pressure
Selectable units for volumetric
flow
Selectable volumetric units
Remote reset
SV2 valve Modbus slave address
Standard
Modbus communication baud
rate
Valve MV1 / MV2 LED
orientation indication change
Body size of attached valve
User entered Value Name
Date stamp selected
by user during setup
Data Content
Type
0=Fahrenheit
1=Celsius
0=Mbar
1=PSI
2=inches WC
Enum
0=Liters per hour (l/h)
1=Milliters per min (ml/ min)
2=Cubic feet per hour (CFH)
0=Milliliter (ml)
1=Cubic inch (cu in)
Will return number of remote resets
remaining. If value 0xAA55 is written and
remaining number of resets >0 then reset
action will be performed.
U16
NOTE: All national and local codes must
be followed in regards to the allowance of
remote reset.
Low byte contains address and high byte its
U16 negated value, otherwise default address
is used.
9600, 19200, 38400 or 57600 bps
U16
Default value 38400
0=Factory default; no change
Bool
1=MV1/MV2 LEDs swapped
Valve body size in inches
Enum 0=Unknown
Refer to Table 37.
U16
2 bytes each = 2 ASCII characters
U16
Maximum string length = 10 characters
U16 If the registers contain invalid values (not
ASCII characters), the default name is
U16
displayed
U16
Year 7
Month 4
U16
Day 5
Year offset of 2000
212
Range Default
Value
Min Max
0 1
0 2
0 2
0 1
0 65535 5
0 65535
9600 57600 38400
0 1 0
0 3 0
0 65535
0 65535
0 65535
0 65535
0 65535
0 65535
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