-18-
Coils
Contacts / Coils
8
Contacts
*1 The number of contacts varies depending on the model.
“4 Specifications”
For the number of contacts when the I/O extension module is connected,
PRO-iO2 I/O Extension Module Installation Guide
*2 For models DR*-B***** only. Not provided for models DR*-D*****.
*3 For models DR*-****BD only. Not provided for models DR*-****FU.
*4 For models DR*-B***BD and DR2-D201BD only. Not provided for models
DR2-D101BD and DR*-***FU.
Symbol
Number
No. of
Contacts
Description
I(i)
I1 to I* (i1 to I*)
*1
a contact (b contact) (physical input)
Z(z)
*2
Z1 to Z4 (z1 to z4)
4
a contact (b contact) (Z key)
M(m)
M1 to MV (m1 to mV)
28
a contact (b contact) (Auxiliary coil)
Q(q)
Q1 to Q* (q1 to q*)
*1
a contact (b contact) (physical output)
T(t)
T1 to TG (t1 to tG)
16
a contact (b contact) (Timer)
C(c)
C1 to CG (c1 to cG)
16
a contact (b contact) (Counter)
K(k)
*3
K1 (k1)
1
a contact (b contact) (High-Speed Counter)
V(v)
V1 to V8 (v1 to v8)
8
a contact (b contact) (Counter Comparator)
A(a)
*4
A1 to A8 (a1 to a8)
16
a contact (b contact) (Analog Comparator)
H(h)
*2
H1 to H8 (h1 to h8)
8
a contact (b contact) (Calendar)
W(w)
*2
W1 (w1)
1
a contact (b contact) (Summer Time)
*1 For models DR*-B***** only. Not provided for models DR*-D*****.
*2 For models DR*-****BD only. Not provided for models DR*-****FU.
Symbol
Coil
Description
Q, M
Normal coil
Q, M
Reverse display when condition is true (rising)
S
Q, M
Set coil
R
Q, M
Reset coil
TT
Timer
Starts timer
RT
Timer
Resets timer
CC(TK
*2
) Counter (High-Speed Counter) Counter (High-speed counter coil)
RC(RK
*2
) Counter (High-Speed Counter) Resets counter (High-speed counter reset coil)
DC
Counter
Designates count direction
TX
*1
Text
Shows text
RX
*1
Text
Hides text
TL
*1
LCD backlight
Turns ON LCD backlight
