Advantech manual Table D.2 PCM-3780 Counter Mode

Table D.2: PCM-3780 Counter Mode

Counter Mode

M

N

O

P

Q

R

S

T

U

V

W

X

Special Gate (CM6)

0

0

0

0

0

0

0

0

0

0

0

0

Reload Source (CM5)

0

0

0

0

0

0

1

1

1

1

1

1

Repetition (CM4)

0

0

0

1

1

1

0

0

0

1

1

1

Gate Control

N

L

E

N

L

E

N

L

E

N

L

E

(CM15~CM12)

Count to TC once, then

Y

Y

Y

disarm

Count to TC twice, then

Y

Y

Y

disarm

Count to TC repeatedly

Y

Y

Y

Y

Y

Y

without disarming

Gate input dose not gate

Y

Y

Y

Y

counter input

Count only during active

Y

Y

Y

Y

gate level

Start count on active gate

Y

Y

edge and stop count on

next TC

Start count on active gate

Y

Y

edge and stop count on

second TC

Start count on active gate

Y

Y

Y

Y

edge and stop count on

inactive gate edge

Reload counter from Load

Y

Y

Y

Y

Y

Y

Register on TC

Reload counter on each

Y

Y

Y

Y

Y

Y

TC, alternating reload

source between Load and

Hold Registers

Note: Counter modes M, N, P, Q, S, T, V, W are identical to A, B, D, E, G, H, J, K.

PCM-3780 User Manual 46