External Connections - Velp Scientifica OHS 200 ADVANCE Manual De Instrucciones

5. External Connections

➢
➢
USB
➢
Pt100
Controller register assignment
Register address
1
2
5
11
15
24
25
26
27
28
29
31
33
48
49
50
51
52
53
54
55
56
57
102
103
104
106
107
Sampling time: 1s or more
Examples (CRC 16 bit)
Reading single register: Speed (rpm)
Request
Field
Address
Control command
High start address
Low start address
Number of High registers
Number of Low registers
High CRC
Low CRC
Each model has USB connection in the back for PC controlling, data logging and software upgrading by PC.
Software version, dedicated program to be installed in the PC, and software installation guide have to be
requested by e-mail to service@velp.it
All models have Pt100 connection in the back for fluid temperature measurement (measuring range from -
200°C to +550°C)
Register name Write
Instrument NO
Serial number NO
Product code NO
Main board sw NO
Display board sw NO
State NO
Alarm NO
Gear NO
Speed NO
Torque NO
Timer NO
Timer set point NO
Speed set point NO
Pt100 connection NO
Temperature NO
Speed limit NO
Torque limit NO
Ramp NO
Method NO
Method n steps NO
Method step NO
Method n loops NO
Method loop NO
Gear
Speed
Timer
Motor stop
Motor start
(Hex)
0x64
0x03
0x00
0x1B
0x00
0x01
0xF8
0xFD
Byte Number
2
6
12
8
8
2
2
2
2
2
4
4
2
2
2
2
2
2
2
2
2
2
2
SI 2
SI 2
SI 4
SI 2
SI 2
Reply
Field
Address
Control command
Number of bytes
High register value
Low register value
High CRC
Low CRC
9
Function/expanation
Instrument model
Instrument serial number
Instrument product code
Main board sw version
Display board sw version
Instrument state
The instrument notifies an alarm
Gear set (only for OHS200)
rpm measured
Ncm measured
Residual timer or counter
Timer set value
Speed set value
Pt100 connected to the instrument
Temperature indication
Speed maximum value
Torque maximum value
Setting of acceleration
Reading of method number
Total number of steps
Current step visualized
Total number of loops
Current loop visualized
Setting of gear (only for OHS200)
Setting of the speed
Setting of the timer
Motor stops stirring
Motor starts stirring
(Hex)
0x64
0x03
0x02
0x01
0x54
0x23
0xF4
Description
340 (RPM)