SEW MOVITRAC LTP series, Operating Instructions Manual

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Operating Instructions – MOVITRAC® LTP
9
MODBUS Control
Software
9.1.3 Register description
9.1.4 Monitor value registers
These registers are read only with command 03.
Type Register
no.
Register title Description
Read / Write 1 Drive command 0: CMD Drive command setup:
00: stop, 01: start, 10: reset
1: CMD
2: 2nd 2nd deceleration ramp select flag
3 ... 15: Reserved Reserved
2 Speed reference setup This register holds the speed reference value with one decimal place
(200 = 20.0 Hz). The maximum speed reference value is limited by P1-01.
3 Torque reference setup This register holds the torque reference with one decimal place (450 = 45.0 %).
The data range is from 0 (0 %) to 2000 (200.0 %).
This torque reference is only active when P4-06 = 3 and the drive is in vector
control mode.
4 Acc / Dec ramp setup Ramp time in seconds (e.g. 100 = 10.0 s)
Read only 6 Drive status and error
code High byte gives the drive error code (valid when the drive is tripped).
Low byte gives the drive status (0: drive stopped, 1: drive running, 2: drive
tripped).
7 Motor speed information This register gives motor speed information. The data is in Hz and with one
decimal place (e.g. 234 = 23.4 Hz).
8 Motor current This register gives motor current information. The data is in Amps with one
decimal place (e.g. 87 = 8.7 A).
9 Motor torque This register gives motor output torque information. It is a percentage value as
100.0 % equals motor rated torque. The data value is stated to one decimal
place.
10 Motor power This register gives motor power information and the data is stated to 2 decimal
places (e.g. 124 = 1.24 KW / HP). The data unit depends on the drive type.
11 Digital input status The value in this register represents the drive terminal digital input status (digital
input 1 ... 4). The lowest bit indicates digital input status 1.
Address Description Data format Example
21 Bipolar analog input value 1 decimal place 156 = 15.6 %
22 2nd analog input value 1 decimal place 156 = 15.6 %
23 Speed control reference – 156 = 156 %
24
1)
Digital speed reference Internal value –
25 Motor torque reference – 2000 = 200.0 %
26 User PID reference 1 decimal place 156 = 15.6 %
27 User PID feedback 1 decimal place 156 = 15.6 %
28 User PID error input 1 decimal place 156 = 15.6 %
29 User PID P term output 1 decimal place 156 = 15.6 %
30 User PID I term output 1 decimal place 156 = 15.6 %
31 User PID D term output 1 decimal place 156 = 15.6 %
32 User PID output 1 decimal place 156 = 15.6 %
33 Motor output torque – 1000 = 100.0 %
34 Magnetizing current 1 decimal place 156 = 15.6 A
35 Rotor current 1 decimal place 156 = 15.6 A
36 Field strength 1 decimal place 156 = 15.6 %
37 Stator resistance 3 decimal places 156 = 0.156 ohm