VAT 650 AP Series, Инструкции по установке, эксплуатации и обслуживанию

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Installation, Operating & Maintenance Instructions
Series 650 DN 100-
250 (I.D. 4“ - 10”), DeviceNet
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 CH@vatvalve.com www.vatvalve.com
266341ED
2012-07-13
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3.11.2 Assembly object bit map
This is an example based on output assembly 8 and input assembly 3 to illustrate bit map.
DATA TYPE in this example is signed integer.
3.11.2.1 Output assembly
Assembly Type Byte Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
8 Output
1 MODE
2 SETPOINT low byte
3 SETPOINT high byte
4 SETPOINT TYPE
MODE (control mode) may be set to one out of below selections, see also «Explicit messaging control commands»:
Description Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
Control valve 0 0 0 0 0 0 0 0
Close valve 0 0 0 0 0 0 0 1
Open valve 0 0 0 0 0 0 1 0
Hold valve 0 0 0 0 0 0 1 1
SETPOINT may be set to any value between the lowest and the highest value. Depending on SETPOINT TYPE it reflects
position or pressure setpoint , see also «Explicit messaging control commands».
Description Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
Lowest value (0)
low byte 0 0 0 0 0 0 0 0
high byte 0 0 0 0 0 0 0 0
Highest value (10000)
low byte 0 0 0 1 0 0 0 0
high byte 0 0 1 0 0 1 1 1
SETPOINT TYPE may be set to one out of below selections, see also «Explicit messaging control commands».
Description Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
Pressure control 0 0 0 0 0 0 0 0
Position control 0 0 0 0 0 0 0 1