Item
Terminal
symbol
Terminal
name
Description Specifications
Digital Power sup-
ply
DIC Input signal
common
Common terminal for the
digital input.
In-
put
Con-
tact
DI1
DI2
DI3
DI4
DI5
DI6
DI7
Multifunction
input termi-
nal
Select 7 functions from
among 101 functions, and
allocate them to terminals
DI1 to DI7. These termi-
nals support both the sink
logic and the source logic.
For details on the connec-
tion, refer to Multifunction
Input T
erminals and Pro-
grammable Controller
Connection on page
2-53.
Voltage between each in-
put terminal and the ter-
minal DIC
ON voltage: 20 V min.
OFF voltage: 2 V max.
Allowable voltage: 27
VDC max.
Load current (DI1, DI2):
2.5 to 16 mA (at 27 V)
Load current (DI3 to DI7):
2.5 to 5 mA (at 27 V)
Internal resistance: 5.4
kΩ
SF1
SF2
Safety input
Turn ON the Safety Func-
tion Selector Switch to en-
able this terminal.
SF1 (Safety input 1)
SF2 (Safety input 2)
Voltage between each in-
put terminal and the ter-
minal DIC
ON voltage: 20 V min.
OFF voltage: 2 V max.
Allowable voltage: 27
VDC max.
Load current: 2.5 to 5 mA
(at 27 V)
Internal resistance: 6.6
kΩ
Pulse PIA
PIB
PIZ
Pulse input This is pulse input for fre-
quency setting. This termi-
nal accepts 5 to 24 VDC
input signals.
Input pulse: 32 kHz max.
Internal resistance: 7.2
kΩ
Voltage between input
and DIC:
5 to 24 VDC
ON voltage: 4 V min.
OFF voltage: 2 V max.
Allowable voltage: 27
VDC max.
2 Design
2-14
M1 Series Standard Type User's Manual (I669)