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