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jxm-io-ew30_ba_2151_manual
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Code
Description
0xff04
Reserved
0xff05
IO port OPEN CIRCUIT
0xff06
IO port TIMEOUT
0xff07
IO port CC_UNLOCK
Tab. 49:
Emergency Error Codes
8.9.1 Heartbeat
The device sends a heartbeat message cyclically as soon as it is in the
Pre-Operational
state.
Index
Subindex
Description
Type
Type of
access
Default value
0x1017
0
Producer heartbeat time in ms
U16
R/W
1000
Tab. 50:
Index of the heartbeat message
8.10 Current control with PID controller
The individual P, I and D controllers usually have the following characteristics:
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
0.2
0.0
0.4
0.6
0.8
1.0
1.2
A
B
0.0
PID
PI
P
I
PD
Fig. 9:
Comparison of controller types in a control loop
A
Step response
B
Time
8.10.1 Test scenario
The PID controller was tested on JXM-IO-EW30-G27 the under the following conditions:
Condition
Description
Output
1 kHz PWM
Control period
10 ms
Load
Inductive
An unspecified valve solenoid
VBAT
24 V
In case of a short circuit 4.8 A ~5 Ω
Tab. 51:
General conditions of the test scenario