Siemens NAN 67 Series Manual de Serviço descarregar pdf (Página 107)

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8-9

Ladder Logic (LAD) for S7-300 and S7-400

C79000-G7076-C504-02

8.8 Set Coil

The Set Coil instruction is executed only if the RLO = 1. If the RLO = 1, this

instruction sets its specified address to 1. If the RLO = 0, the instruction has

no effect on the specified address. The address remains unchanged.

The Set Coil instruction is affected by the Master Control Relay (MCR). For

more information on how the MCR functions, see Section 20.5.

Table 8-7 Set Coil Element and Parameter

LAD Element Parameter Data Type Memory Area Description

<address> BOOL I, Q, M, D, L

The address indicates the bit that is to

be set.

Status Word Bits

BR CC 1 CC 0 OV OS OR STA RLO FC

Write – – – – – 0 x – 0

I 0.0

I 0.2

I 0.1 Q 4.0

The signal state of output Q 4.0 is set to 1 if one of

the following conditions exists:

S The signal state is 1 at input I 0.0 And I 0.1

S Or the signal state is 0 at input I 0.2.

If the RLO of the branch is 0, the signal state of

output Q 4.0 remains unchanged.

Figure 8-7 Set Coil

Description

Bit Logic Instructions

1 2 ... 102 103 104 105 106 107 108 109 110 111 112 ... 317 318

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