Rki-instruments Digester Gas Monitor Manuel d'utilisateur télécharger pdf (Page 81)

Digester Gas Monitor Operator’s Manual Supported Modbus Functions • 75

Registers 40025 - 40027

The 6 bytes (characters) in these registers contain the channel gas reading in ASCII

characters.

Registers 40028 - 40029

The 4 bytes (characters) in registers 40028 and 40029 represent the channel gas units in

ASCII characters.

Registers 40030 - 40043, Channel 3 Information

Table 18 below shows the information in register 40030.

Registers 40031 & 40032

The 32 bits in registers 40031 and 40032 contain the channel 2 numerical reading in

single precision floating point IEEE format.

The 16 bits in register 40033 contain the channel 2 numerical reading in integer form

omitting the sign (+ or -) and the decimal point.

Table 19 below shows the information in register 40034.

Table 18: Register 40030

Channel Operational State

(MS-Byte)

Channel Status Bits

(LS-Byte)

• 0 = (this code is not used)

• 1 = Standby

• 2 = Normal Operation

•3 = Warm Up

•4 = Fail

•5 = Post-Calibration

• 6 = Low Power

• Bit-7 (msb) = Relay-1 (1 = energized)

• Bit-6 = Relay-2 (1 = energized)

• Bit-5 = (this bit is not used)

• Bit-4 = Alarm-1 (1 = asserted)

• Bit-3 = Alarm-2 (1 = asserted)

• Bit-2 = Alarm-3 (1 = asserted)

• Bits[1:0] = Channel Usage Code

[00] = Not Used

[01] = Standby

[10] = Active

[11] = unused code

Table 19: Register 40034

Channel Reading Sign (+/-)

(MS-Byte)

Channel Decimal Point Position

(LS-Byte)

• 0 = Positive (+)

• 1 = Negative (-)

•0 = No Decimal Point

• 1 = .x

• 2 = .xx

• 3 = .xxx

1 2 ... 76 77 78 79 80 81 82 83 84 85 86 ... 95 96

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Rki-instruments Digester Gas Monitor Manuel d'utilisateur Page 81

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