CS Instruments VA 500 Installations- Und Bedienungsanleitung Seite 25

Analog 4...20mA Register
7.3.4
Modbus Modbus No.of
Register Address Byte
2201 2200
2203 2202
2205 2204
2207 2206
2209 2208
2211 2210
2213 2212
2215 2214
2217 2216
2219 2218
2221 2220
2223 2222
VA 5xx Modbus RTU Installation V1.09
Data
Description
Type
4-20mA CH1 Selected
4 UInt32
Value as index
4-20mA CH1 Unit index
4 UInt32 from unit table for above
selected Value
4-20mA CH1 Auto or
4 UInt32
Manual Range
4 UInt32 4-20mA CH1 Scale Low
4 UInt32 4-20mA CH1 Scale High
4-20mA CH2 Selected
4 UInt32
Value as index
4-20mA CH2 Unit index
4 UInt32 from unit table for above
selected Value
4-20mA CH2 Auto or
4 UInt32
Manual Range
4 UInt32 4-20mA CH2 Scale Low
4 UInt32 4-20mA CH2 Scale High
4-20mA CH1 and CH2
4 UInt32
Current on error as index
4-20mA number of
4 UInt32
available channels
Default Read
Setting Write
0 = not used
1 = Flow
1 or 2 R/W
2 = Velocity
3 = Temperature
Flow:
U_m3_h,U_Nm3_h,U_m3_m
in,U_Nm3_min,U_ltr_h,U_Nlt
U_m3_h r_h,U_ltr_min,U_Nl_min,U_lt
(VA520 & VA r_s,U_Nl_s,U_cfm,U_Ncfm,
570) U_kg_h,U_kg_min,U_kg_s,U
R/W
U_m_s _kW
(VA500 & VA Velocity:
550) U_m_s,U_Nm_s,U_Ft_min,U
_Nft_min
Temperature:
U_GRAD_C,U_GRAD_F
0 = AutoRange
0 R/W
1 = Manual Range
writable only if Manual
0 R/W
Range is selected
writable only if Manual
Max Speed R/W
Range is selected
0 = not used
1 = Flow
3 R/W
2 = Velocity
3 = Temperature
Flow:
U_m3_h,U_Nm3_h,U_m3_m
in,U_Nm3_min,U_ltr_h,U_Nlt
r_h,U_ltr_min,U_Nl_min,U_lt
r_s,U_Nl_s,U_cfm,U_Ncfm,
U_kg_h,U_kg_min,U_kg_s,U
U_GRAD_C R/W
_kW
Velocity:
U_m_s,U_Nm_s,U_Ft_min,U
_Nft_min
Temperature:
U_GRAD_C,U_GRAD_F
0 = AutoRange
-20 R/W
1 = Manual Range
writable only if Manual
100 R/W
Range is selected
writable only if Manual
Max Speed R/W
Range is selected
0 = is the actual value
above 3.8mA or below
R/W 20.5mA
1 = 22mA is outputed
2 = 2mA is outputed
1 R
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Unit /Comment