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9. M400 Controller
9.1 Bit zone
9.2 Read Status
9.3 Word zone - Page 1 Parameters
Address
Modbus
JbuS
Variable
0
1
Timer function status (0 = OFF, 1 = Run)
1
2
Auto/Man (0 = Auto, 1 = Man)
2
3
-
3
4
Control output status (0 = OFF, 1 = ON)
4
5
AL2 alarm status ( 0 = OFF, 1 = ON )
5
6
AL3 alarm status ( 0 = OFF, 1 = ON )
6
7
Out of range (0 = Normal operation, 1 = Safety)
7
8
Auto Tuning ( 0=OFF 1=Run )
8
9
-
9
10
Out of range (0 = Normal operation, 1 = Safety)
10
11
Keypad lock (0 = locked, 1 = unlocked)
11
12
Outputs lock (0 = locked, 1 = unlocked)
12
13
Logic input #1 ( 0=Open 1=Close )
13
14
-
14
15
-
15
16
-
Function 07 (Read Status) returns an eight bit status with the following
meanings:
Bit
Address
1 (LSB)
1
2
2
3
3
4
4
5
5
6
6
7
7
8 (MSB)
8
Notes:
1. Only available with Timer option.
2. Only available with Auto/Man function.
Address
Modbus
JbuS
Variable
0
1
Process variable
1
2
Setpoint
2
3
Main output
3
4
Local Setpoint
4
5
Local Setpoint
5
6
Proportional Band (Hysteresis ON - OFF)
6
7
Overshoot Control
7
8
Integral time
8
9
Derivative time
9
10
Cycle time
10
11
Low range
11
12
High range
1
2
Variable
Timer function status (0 = OFF, 1 = Run)
Auto/Man (0 = Auto, 1 = Man)
-
Control output status (0 = OFF, 1 = ON)
Alarm 2 ( 0 = OFF, 1 = ON )
Alarm 3 ( 0 = OFF, 1 = ON )
Out of range (0 = Normal operation, 1 = Safety)
Auto Tune ( 0=Disabled 1=Run )
4
Type
R/W
R/W
R/W
R/W
1
2
Parameter
Type
Code
-
-
-
R(W)
-
-
P.b. (hy.)
O.C.
t.i.
t.d.
t.c.
Sc.Lo
Sc.Hi
-
R
R
R
R
R
-
R
R
-
-
-
R
1
R/W
2
1
R/W
3
R/W
R/W
R/W
R/W
R/W
R/W
R
R
27
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