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. 21
PCP VOLUMETRIC PUMP DRIVE
PLC input
Drive
variables
Modbus holding
register
Description
Var_1
V111
4-1222
Status
Bit 0 alarm
Bit 1 Ready
Bit 2 End of dispensing
Bit 3 Dispensing
Bit 4 Power Enablement Alarm
Bit 5 Standby
Bit 6 Pressure alarm
Var_2
V112
4-1224
Encoder position
Relative position of the encoder, it is reset at the end of the
jog dispensing and at the completion of the predetermined
one. Remains with discontinued predetermined dispensing.
Var_3
V113
4-1226
Pressure
Outlet pressure in hundredths of a bar
Var_4
V114
4-1228
Analog input
Value of Analog input 4095 = 10V
Var_5
V115
4-1230
Last dispensing pressure
Pressure of the last dispensing in hundredths
Var_6
V116
4-1232
Rstflag
Drive RSTFLG register value
Bit 0: Drive enabled
Bit 1: Alarm drive
Bit 2: Synchronized Motor Share (Axis Reset)
Bit 3: Motor running
Bit 4: Motor accelerating
Bit 5: Motor at constant speed
Bit 6: Motor in deceleration
Bit 7: Information in the Rstscllp register
Bit 8: Home terminated with error
Bit 9: Current Status (0=CurOff/1=CurON)
Bit 10: Motor in position
Bit 11: Tracking Error
Bit 12: Motor moved during disable state
Var_7
V117
4-1234
Ralarm
Drive RALARM register value
0 Overcurrent HW
1 Overcurrent SW2
2 I2T
3 Position error
4 Tracking error
5 Overload digital output
6 Overtemperature
7 Overvoltage
8 Undervoltage
9 Encoder timing error
10 Phase A disconnected motor
11 Phase B disconnected motor
12 Positioning Timeout
13..15 Reserved
Var_8
V118
4-1236
Pid out
Not used in Mode 3
Var_9
V119
4-1238
Out speed
Not used in Mode 3
Var_10
V120
4-1240
Current error
Not used in Mode 3
