4
3. Part Names
This section explains the names of the components for the Q66AD-DG.
Table 3.1 Names of Part
No.
Name
Description
1) RUN LED
Displays the operating status of the
Q66AD-DG.
On
: Normal operation
Flashing : During offset/gain setting
mode
Off
: 5V power supply interrupted,
watchdog timer error
occurred, or online module
change enabled.
2) ERR. LED
Displays the error status of the Q66AD-
DG.
On
: Error
Flashing : Error in switch settings Switch
No. 5 of the intelligent function
module has been set to a
valueother than zero.
Off
: Normal operation
3) ALM LED
Indicates the warning status of the
Q66AD-DG.
On
: An alarm (process alarm,
rate alarm) occurred.
Flashing : An input signal error occurred.
Off
: Normal operation
4)
FG terminal
L-Shaped
metal fitting
Metal fitting to wire for FG of the Q66AD-
DG.
A1
A20
B1
B20
Module fixing screw
Module fixing bracket
1)
2)
4)
3)
Terminal No.
Terminal No.
External device
connector
indicated with
the LED.
Table 3.2 Signal layout
Terminal
No.
Signal
name
Terminal
No.
Signal
name
A1
CH1 P
B1
CH1 I+/CHK+
A2
-
B2
CH1 I-/CHK-
A3
-
B3
-
A4
CH2 P
B4
CH2 I+/CHK+
A5
-
B5
CH2 I-/CHK-
A6
-
B6
-
A7
CH3 P
B7
CH3 I+/CHK+
A8
-
B8
CH3 I-/CHK-
A9
-
B9
-
A10
CH4 P
B10
CH4 I+/CHK+
A11
-
B11
CH4 I-/CHK-
A12
-
B12
-
A13
CH5 P
B13
CH5 I+/CHK+
A14
-
B14
CH5 I-/CHK-
A15
-
B15
-
A16
CH6 P
B16
CH6 I+/CHK+
A17
-
B17
CH6 I-/CHK-
A18
-
B18
-
A19
DC24V
B19
DC24V
A20
DC24G
B20
DC24G