GF U1000 V2 Wallmount WM Instrucciones De Uso página 24

Electrical connection & outputs
Modbus wiring without spurs
Modbus Main
+V (+5V or +12V)
RS485+
RS485-
GND (0V)
9.4.3 Modbus registers
Modbus Register
Register Offset
n/a n/a
n/a n/a
n/a n/a
40001 0
40002 1
40003 2
40004 3
40005 4
40006 5
40007 6
40008 7
24
270Ω for +5V, 1 KΩ for +12V
120Ω
270Ω
- +
Isolated
0V
RS-485
U1000 V2
Typical
Type Meaning
Contents
Byte 0x01 Instrument Address
Byte 0x03 Instrument Command
Byte 0x40 Number of bytes to read
0x00
Int-16 Device ID
0xac
0x00
Int-16 Status
0x00
0x00
System Type
Int-16
(HM versions only)
0x04
0x00
0x01
0x23
Int-16 Serial Identifier
0x45
0x60
0x00
0x40
0x1f
iee754 Measured Velocity
0x67
0xd3
Optional Ground
- +
Isolated
0V
RS-485
U1000 V2
Notes
-
-
-
0xAC
GF U1000 V2-(HM)
0x0000 OK
Not[0x0000] Fault
0x04 Heating system
0x0C Chiller system
-
Units in m/s
120Ω
- +
Isolated
0V
RS-485
U1000 V2
User Manual