Fonctions Modbus - Stübbe PCU Serie Notice D'utilisation D'origine

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10.4.3 Fonctions Modbus

Func-
Name
tion
Code
01
Read Coil
Status
02
Read Input
Status
03
Read Holding
Registers
04
Read Input
Registers
05
Force Single
Coil
Tab. 27

Fonctions Modbus

1) La désignation des relais (coils), des entrées (Input) et des registres démarre par « 1 » (adresse physique « 0 »).
302 440
1)
Address
0x00 → RELAY1
0x01 → RELAY2
0x00 → Lower Level Switch
0x01 → Upper Level Switch
0x00 → PCU Version
0x01 → Pressure [mBar]
0x02 → Level [1/10 %]
0x03 → Temperature [1/10 °C]
0x06 → Error pressure
0x07 → Error level
0x08 → Error temperature
0x09 → Device ID [PCU]
0x0A → Pressure [Bar]
0x0C → Level [%]
0x0E → Temperature [°C]
0x10 → Pump operating
hours [h]
-
Data type
Comment
Bit
Read relay status.
Bit
Read input status.
Unsigned
Value = 310 → V3.10
Integer
Signed Integer
Value = 0 ... 10000 → 0 ... 10000 mbar
Signed Integer
Value = 0 ... 1000 → 0 ... 100%
Signed Integer
Value = -350 ... 1250 → -35,0 ... 125,0 °C
Unsigned
TRUE → Sensor error
Integer
FALSE → Sensor OK
Unsigned
TRUE → Sensor error
Integer
FALSE → Sensor OK
Unsigned
TRUE → Sensor error
Integer
FALSE → Sensor OK
Unsigned
Value = 35 → Device ID = 35
Integer
Float_ABCD
IEEE 32-bit floating-point
Float_ABCD
IEEE 32-bit floating-point
Float_ABCD
IEEE 32-bit floating-point
Float_ABCD
IEEE 32-bit floating-point
-
-
Bit
BA-2022.06.01 FR
Annexe
PCU
25

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