Edwards SCU-750

D397-51-880 Issue E
Page 18 © Edwards Limited 2014. All rights reserved.
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OPERATION
4.7.2 Module 02 - Pump State
Applicability: All control units covered by this manual.
Output bytes: None
Input bytes: 1 byte which indicates pump state with data values as shown in the table below:
4.7.3 Module 03 - Warning flags
Applicability: SCU-800/1400/1500/1600. SCU-750 will reject this module and lead to a configuration failure.
Output bytes: None
Input bytes: 2 bytes which represent warning flags from pump. Each warning is represented by a single bit in
the message as shown in the table below. Value = 0 if warning not detected, value = 1 if warning
detected.
These flags are treated as a 16-bit number so the MSB byte is transmitted first.
Value Command state
0x01 Levitation
0x02 No levitation
0x03 Acceleration
0x04 Normal
0x05 Deceleration (Braking)
0x06 Autotest
0x07 Tuning
0x08 Tuning Complete
Bit No. Warning indicated
0Bad pump transmit
1 2nd damage limit
2 1st damage limit
3Imbalance Xh
4Imbalance Xb
5Imbalance Z
6Pump run time over
7Pump overload
8 Pump record error
9 PCB record error
10 Low RTC battery
11 Clock data lost
12 Recover by aux data
13-15 Reserved