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MELSEC-Q
4 SETUP AND PROCEDURES BEFORE OPERATION
4.5 Switch Setting for Intelligent Function Module

The settings for the intelligent function modu le are performed using the I/O assignment

settings for GX Developer.

(1) Setting item

The intelligent function module switches consis t of switches 1 to 5 and are set

using 16 bit data. When the intelligent function m odule switches are not set, the

default value for switches 1 to 5 is 0.

Table 4.1 Switch setting item

Setting item

Analog input range Input range setting value

4 to 20 mA 0H 1

0 to 20 mA 1H

Switch 1

Input range setting

H
CH4CH3CH2CH1
1 to 5 V 2H
0 to 5 V 3H
– 10 to 10 V 4H
0 to 10 V 5H
User range setting FH

Switch 2

Input range setting

H
CH8CH7CH6CH5

Switch 3 Not used

Switch 4

H
00H
01 to FFH (numeric
value other than 00H)*
0H
1 to FH (numeric
value other than 0H)*
0H
1 to FH (numeric
value other than 0H)*
: With temperature drift correction
: Without temperature drift correction
: Normal resolution mode
: High resolution mode
: Normal mode (A/D conversion processing)
: Offset/gain setting mode

Switch 5 0 : Fixed

Setting any value within the setting range will provide the same op er at ion.

When the setting range is 1 to FH, set 1 for exampl e.

Depending on the type of module used, the settin gs for A/D unit input range are shown

below.

• Q64AD · · · · · ·0H to 5H, FH

• Q68ADV · · · · ·0H, 2H to 5H, FH

1 When the setting is 0H, the input operating range will be 0 t o 10 V.

• Q68ADI · · · · · ·0H, 1H, FH