Step Data Entry Format; Pack And Hold Step Data Entry Format - Siemens SIMATIC 505 User & Programmers Manual

Block Read Data: PLC
Constant 14
(continued)
2-20 Software Interface
Module (continued)
Bit 9
Reverse Acting for Velocity Loop
1
[.... .... 0... ....]
[.... .... 1... ....]
Bit 10
Reverse Acting for Pressure Loop
1
[.... .... .0.. ....]
[.... .... .1.. ....]
Bits 11–16
1
[.... .... ..xx xxxx]
Table 2-6 contains the step data entry format and Table 2-7 contains the

pack and hold step data entry format.

Table 2-6 Step Data Entry Format*
Position
Current/Starting
28,000
Position
Step 1 20,000
Step 2 16,000
*All profiles except Pack and Hold
Table 2-7 Pack and Hold Step Data Entry Format
Cumulative
Time
Current/Starting
0
Time (elapsed)
Step 1 300
Step 2* 500
*Time for Step 2 = 500 – 300 = 200 or 2 s)
16
No reverse acting
Reverse acting
16
No reverse acting
Reverse acting
16
Reserved
Velocity Pressure
16,000
8,000
Velocity Pressure
16,000
12,000
8,000 These values are in
effect until Step 1
position is reached
4,000 The values are in
effect until Step 2
position is reached
8,000 (Step 1 = 3 s)
6,000 (Step 2 = 2 s)