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The M-7046 is a 15-channel Digital Input module. Each channel features photocoupler isolation and can be used as a 16-bit counter. In addition, the Digital Input type can be selected as either sink or source via wire connections.
Communication
Interface
RS-485
RS-485 Bias Resistor
No (Usually supplied by the RS-485 Master. Alternatively, add a tM-SG4 or SG-785.)
Format
(N, 8, 1), (N, 8, 2), (E, 8, 1), (O, 8, 1)
Baud Rate
1200 to 115200 bps
Protocol
Modbus RTU, DCON
Dual Watchdog
Yes, Module (1.6 Seconds), Communication (Programmable)
LED Indicator/Display
System LED Indicator
Yes, 1 as Power/Communication Indicator
I/O LED Indicator
-
7-Segment LED Display
-
Isolation
Intra-Module Isolation, Field-to-Logic
5000 VDC
EMS Protection
ESD (IEC 61000-4-2)
±8 kV Contact for each Terminal
±16 kV Air for Random Point
EFT (IEC 61000-4-4)
±4 kV for Power Line
Surge (IEC 61000-4-5)
±3 kV for Power
Power
Reverse Polarity Protection
Yes
Input Range
+10 ~ +30 VDC
Consumption
0.2 W
Mechanical
Dimensions (L x W x H)
123 mm x 72 mm x 35 mm
Installation
DIN-Rail or Wall Mounting
Environment
Operating Temperature
-25 to +75°C
Storage Temperature
-40 to +85°C
Humidity
10 to 95% RH, Non-condensing
Digital Input/Counter
Channels
15
Type
Dry Contact
Wet
Wet Contact
Sink/Source
Wet Contact
ON Voltage Level
+3.5 ~ +50 VDC
OFF Voltage Level
+1 VDC Max.
Dry Contact
ON Voltage Level
-
OFF Voltage Level
-
Effective Distance for Dry Contact
-
Counters
Max. Count
65535 (16-bit)
Max. Input Frequency
100 Hz
Min. Pulse Width
5 ms
Input Impedance
10 kΩ
Channel-to-Channel Isolation
-
Overvoltage Protection
±70 VDC
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