Yaskawa MP900 Series Machine Controller for Standard Operation - Manual (Page 411)

Ladder Logic Programming
7.3.8 Disabling Coils
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7
The procedure for step 3 in the table, for example, is outlined below.
1. Select the N.C. CONTACT instruction.
2. Select the BRANCH instruction.
3. Select the connection point.
4. Enter I0000 and press the Enter Key.
1 In step 4., the operand code will determine what type of register is required for the operand. Enter only
the register type and number, and IB00000 will be entered automatically.
2 When multiple operands are used, press the Enter Key after inputting each operand to ensure that each
operand is entered correctly.
7.3.8 Disabling Coils
COIL instructions can be forcibly fixed to the energized state (Disabled ON) or to the de-
energized state (Disabled OFF), and disable settings for COIL instructions can be cleared.
Coil status will be displayed as shown below depending on the disable ON/OFF status.
• COIL Instruction Notation
3 N.C. CONTACT Branch, connection point IB00000
4 N.C. CONTACT Connection point, parallel connec-
tion IB00001
5 N.O. CONTACT - MB000010
6 N.C. CONTACT Parallel connection MB000011
7 COIL Branch OB00000
8 N.O. CONTACT Branch MB00000A
9 N.O. CONTACT - MB00000B
10 COIL - OB00001
11 N.O. CONTACT - MB000002
12 N.C. CONTACT - MB000003
13 COIL - OB00002
14 N.O. CONTACT - IB00100
15 ON PULSE Branch DB000000
16 COIL - MB000300
17 OFF PULSE - DB000001
18 COIL - MB000301
19 N.C. CONTACT - IB00101
20 ON DELAY Branch, connection point 5 MW00012
21 N.O. CONTACT Branch, parallel connection IB00102
22 COIL - OB00100
23 N.O. CONTACT - IB00103
24 COIL - OB00101
Step Instruction Branch or Connection Selection Operand Input
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