Omron SYSDRIVE MX2 SERIES - Page 36

2-9
2-2 Wiring
SYSDRIVE MX2 Series USER'S MANUAL (3G3MX2-Axxxx)
2
Design
Digital
Input
Pulse
RP
Pulse input-A A pulse input for frequency
setting. (Take note that the
internal circuit is different
from input terminals S7/
EB.)
Input pulse 32 kHz max.
Voltage between input and
SC
ON voltage: 4 V min.
OFF voltage: 1 V max.
Allowable max. voltage: 27
VDC
S7/EB
Pulse input-B A pulse input for frequency
setting. (Take note that the
internal circuit is different
from input terminal RP.)
Input pulse 1.8 kHz max.
ON voltage: 18 V min.
OFF voltage: 3 V max.
Allowable max. voltage: 27
VDC
Load current: 5 mA (at 24
V)
Output
Open collector
P1/EDM
P2
Multi-function
output terminal
Select 2 functions from
among 43, and allocate
them to terminals P1
through P2. Both sink and
source logics are
supported. For details, refer
to "Connection to
Programmable Controller
(PLC)" on page 2-22.
Open collector output
Between each terminal and
PC
Allowable max. voltage: 27
V
Allowable max. current: 50
mA
Voltage drop when ON: 4 V
max.
P1/EDM
Safety monitor Enabled when the EDM
function selector switch is
ON. For details, refer to
"Safety Function" on page
5-167.
Relay
MA
MB
Relay output
terminal
Select the desired functions
from among 43 functions,
and allocate them to these
terminals.
SPDT contact.
The factory default of Relay
Output (MA, MB) Contact
Selection (C036) is NC
contact between MA-MC,
and NO contact between
MB-MC.
Max. contact capacity
MA-MC:
250 VAC, 2 A (resistance)
0.2 A (induction)
MB-MC:
250 VAC, 1 A (resistance)
0.2 A (induction)
Contact min. capacity
100 VAC, 10mA
5 VDC, 100mA
MC
Relay output
common
Pulse
MP
Pulse output Pulses are output. Output pulse: 32 kHz max.
Output voltage: 10 VDC
Allowable max. current: 2
mA
Serial communication
RS+
RS−
Modbus port
(RS-485)
RS-485 port
RS+ RS-485 differential (+)
signal
RS- RS-485 differential (−)
signal
Max. speed: 115.2 kbps
Built-in Terminal Resistor:
200 Ω
Slide switch selection
Terminal
symbol
Terminal name Description Specifications