Справочник Пользователя для Mitsubishi Electronics FX2NC
FX Series Programmable Controllers
Devices in Detail 4
4-25
4.11.3
Availability of High Speed Counters
on FX, FX
on FX, FX
2C
PLC’s
The following device table outlines the range of available high speed counters on both the FX,
FX
FX
2C
.
Key:
U - up counter input
D - down counter input
R - reset counter (input)
S - start counter (input)
A - A phase counter input
B - B phase counter input
- Counter is backed up / latched
Input assignment:
•
X6 and X7 are also high speed inputs, but function only as start signals. They cannot be
used as the counted inputs for high speed counters.
used as the counted inputs for high speed counters.
•
Different types of counters can be used at the same time but their inputs must not coin-
cide. For example, if counter C247 is used, then the following counters and instructions
cannot be used;
C235, C236, C237, C241, C242, C244, C245, C246, C249, C251, C252, C254, I0
cide. For example, if counter C247 is used, then the following counters and instructions
cannot be used;
C235, C236, C237, C241, C242, C244, C245, C246, C249, C251, C252, C254, I0
,
I1
, I2
.
•
The inputs marked
are 7 kHz inputs, while those marked
are 10 kHz inputs.
I
N
P
U
P
U
T
1 Phase counter
user start/reset
1 Phase counter
assigned
start/reset
2 Phase counter
bi-directional
A/B Phase counter
C235 C236 C237 C238 C239 C240 C241 C242 C243 C244 C245 C246 C247 C248 C249 C250 C251 C252 C253 C254 C255
X0
U/D
U/D
U/D
U
U
U
A
A
A
X1
p
U/D
R
R
D
D
D
B
B
B
X2
U/D
U/D
U/D
R
R
R
R
X3
U/D
R
S
R
U
S
U
A
A
X4
p
U/D
U/D
D
D
B
B
X5
p
U/D
R
R
R
R
R
X6
S
S
S
X7
S
S
S
FX
0(S)
FX
0N
FX FX
(2C)
FX
2N(C)
C235