Siemens 500 NIM User Manual
Page 74
NIM Primitives
4-21
SIMATIC TIWAY I Series 500 NIM User Manual
TT = 2F = Ramp/Soak Status (one word)*
MSB
ABCDEFGH IJKLMNOP
LSB
A - All programmed steps finished (1 = yes)
B - Soak timer in wait state with P.V. out of range ( 1 = yes)
C - H - Unused and set to zero
I - P
This is a readĆonly data type.
*
- Ramp/soak step number currently executing ( 0 - 255)
Figure 4-11
Ramp/Soak Status Data Element Format
TT = 35 = Loop Mode (one word)*
ABCD EFGH
IJKL
MNOP
A = 1 - Go to MANUAL mode
0 - No action
B = 1 - Go to AUTOMATIC mode
C = 1 - Go to CLOSED CASCADE mode
0 - No action
D = 1 - Restart Loop
0 - No action
E = 1 - Loop in Hold
0 - No action
F = 1 - Jog to next ramp/soak step
0 - No action
G - P = Undefined (Default to 0)
In the case of multiple bits being set, the order of precedence is
MANUAL, AUTOMATIC, CASCADE.
* This is a writeĆonly data type.
0 - No action
Figure 4-12
Loop Mode Data Element Format