• Single-color (red or green) and three-color (red, green, or
orange selectable) displays with a character height of 80, 120,
or 200 mm are available for a variety of applications and
locations.
• Thin design with a 39.5-mm depth for the 120-mm model is
perfect for saving space in equipment and devices.
• Decimal display including negative sign (−) display with signal
codes is possible.
Ordering Information
■
List of Models
Models with 80 mm-high Characters
Display contents
Decimal
Type
Front
mounting
Front
mounting
Logic input
Negative
Display color
Red
Green
Red
Green
Model
M7E-08DRN2
M7E-08DGN2
M7E-08HRN2
M7E-08HGN2
Specifications
■
Ratings
Rated power supply
Allowable voltage
fluctuation range
24 VDC
90% to 110% of rated voltage
Current consumption
M7E-08 (at 24 VDC)
(per display)
Red LED: 120 mA max.
Green LED: 160 mA max.
M7E-12 (at 24 VDC)
Red LED: 200 mA max.
Green LED: 330 mA max.
Red/Green LED (orange: lit): 330 mA max.
M7E-20 (at 24 VDC)
Red LED: 420 mA max.
Green LED: 500 mA max.
Red/Green LED (orange: lit): 500 mA max.
Input
level
Nega- Stan-
High: 4 V to power supply voltage
tive
dard
Low: 0 to 1.5 V
logic
Hexadecimal
Models with 120 mm-high Characters
Display contents
Decimal
Type
Rear
mounting
Logic input
Negative
Display color
Red
Green
Red/green/orange
Front
mounting
Red
Green
Red/green/orange
Hexadecimal
Rear
mounting
Red
Green
Red/green/orange
Front
mounting
Red
Green
Red/green/orange
Model
M7E-12DRN1
M7E-12DGN1
M7E-12DKN1
M7E-12DRN2
M7E-12DGN2
M7E-12DKN2
M7E-12HRN1
M7E-12HGN1
M7E-12HKN1
M7E-12HRN2
M7E-12HGN2
M7E-12HKN2
Ambient temperature
Operating:
−10
to 55°C (with no icing)
Storage:
−25
to 70°C (with no icing)
Ambient humidity
Operating: 35% to 85% (with no
condensation)
■
Characteristics
Insulation
resistance
Dielectric
strength
Noise immunity
(See note.)
Vibration
resistance
100 MΩ min. (at 500 VDC) between each
terminal and mounting panel
500 VAC, 50/60 Hz for 1 min between each
terminal and mounting panel
Power terminal:
±500
V
Input terminals:
±500
V (normal mode)
±1,500
V (common mode)
Destruction: 10 to 55 Hz, 0.75-mm double
amplitude
IEC IP40 (portion on panel surface)
Models with 200 mm-high Characters
Display contents
Decimal
Type
Rear
mounting
Logic input
Negative
Display color
Red
Green
Red/green/orange
Hexadecimal
Rear
mounting
Red
Green
Red/green/orange
Model
M7E-20DRN1
M7E-20DGN1
M7E-20DKN1
M7E-20HRN1
M7E-20HGN1
M7E-20HKN1
Shock resistance
Destruction: 300 m/s
2
Degree of
protection
Note: 1.
Initial values
2.
Impulse conditions:
Rise time: 1 ns +10% max.
Pulse width: 100 ns, 1
μs
Polarity:
Positive, negative, asynchronous to power
frequency, 100 Hz repeat frequency.
Connectable PLCs
M7E model
Display
Decimal
Logic
input
PLC's output method
Static output
PNP output
NPN output
■
Accessories (Order Separately)
Harness Connector
Dimensions
70 mm
500 mm
1,000 mm
Model
M7E-WH0111A
M7E-WH0511A
M7E-WH1011A
Negative Not connectable Connectable
Hexadecimal Negative Not connectable Connectable
1
M7E
Installation
■
Cables
Refer to
M7E Options
for information on using cables
(OMRON G79-@C, G79-Y@C, and G79-O@C-@).
■
M7E-WH@11A
Harness Connector
CN3
CN2
l
70 mm
500 mm
Model
M7E-WH0111A
M7E-WH0511A
L
Japan Solderless
Terminal EHR-11
1,000 mm M7E-WH1011A
■
Input Codes
Negative Logic Standard Unit
Input signal
Connector pin No. (CN1)
Terminal symbol
Input signals
A
LE
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
*
*
L
N
D
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
*
*
*
M
C
H
H
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
*
*
*
L
B
H
H
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
*
*
*
K
A
H
H
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
*
*
*
E
DP
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
*
*
F
BI
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
RBI
L
H
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
RBO
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
Blank (See note 1.)
(See note 4.)
Blank (See note 1.)
(See note 4.)
Blank (See note 1.)
DP lights at serial input.
(See note 2.)
DP lights at serial input.
(See note 3.)
Blank (See note 1.)
Blank (See note 1.)
Blank
0
0.
1
2
3
4
5
6
7
8
9
Decimal
Hexadecimal
Blank
0
0.
1
2
3
4
5
6
7
8
9
a
b
c
d
e
f
Output display condition
* Either low or high. All inputs are pulled up internally. Therefore high can be open.
Note: 1.
Only the numeral will be OFF. (There is no relationship to the decimal point.)
2.
Only the numeral will be OFF if there is parallel input with CN1. The decimal point will be lit if there is B7A serial input with TB1.
3.
Only the numeral will be OFF if there is parallel input with CN1. The decimal point will be OFF if there is B7A serial input with TB1.
4.
The previous statuses of A to D before LE goes low will be held. There is no relationship to the decimal point. The LE latch function will not, however, operate
at the time of serial transmission.
2
M7E
■
Terminal Arrangement/Functions
1. Input Terminal
TB1
Terminal symbol
+V
GND
SI
Name
Power supply
Power supply
Serial data input
0 V power-supply terminal.
B7A serial data received
Function
Positive (+) power-supply terminal.
Terminal Arrangement
Models with 120/200-mm-high
Characters
CN1 (XG4A-2034)
Terminal
XG4- Terminal
No.
2034 pin symbol
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
(20)
(18)
(16)
(14)
(12)
(10)
(8)
(6)
(4)
(2)
(19)
(17)
(15)
(13)
(11)
(9)
(7)
(5)
(3)
(1)
LE1
LE2
LE3
LE4
DP
BI
R
G
GND
+V
A
B
C
D
NC
NC
NC
NC
GND
+V
Name
Function
Control input 1st-digit latch input: The previous display is held when this signal is input.
Control input 2nd-digit latch input: The previous display is held when this signal is input.
Control input 3rd-digit latch input: The previous display is held when this signal is input.
Control input 4th-digit latch input: The previous display is held when this signal is input.
Data input
The decimal point lights. Operates independently of the LE signal.
Control input Blank input: Turns OFF all the displays.
Control input Color selector input: Red is lit when low is input (See note.)
Control input Color selector input: Green is lit when low is input (See note.)
Power supply 0 V power-supply terminal. (Terminals 9 and 19 are connected internally.)
Power supply Positive side (+) power-supply terminal. (Terminals 10 and 20 are connected
internally.)
Data input
Data input
Data input
Data input
Open
Open
Open
Open
A (2
0
)
B (2
1
)
C (2
2
)
D (2
3
)
---
---
---
---
Supply voltage: 24 VDC
The value and symbol corresponding to the input code
signal are displayed. Refer to the list of input codes for the
contents of display.
Power supply 0 V power-supply terminal. (Terminals 9 and 19 are connected internally.)
Power supply Positive side (+) power-supply terminal. (Terminals 10 and 20 are connected
internally.)
Note:
If the R and G of the multi-color display are set low, the Unit will display in orange.
3
M7E
2. Multi-digit Connection Terminals
CN2, CN3
Terminal
No.
1
2
3
4
5
CN2 (IN)
Symbol
A
B
C
D
+V
Name
Data
input
Data
input
Data
input
Data
input
Power
supply
Power
supply
Function
A (2
0
)
B (2
1
)
C (2
2
)
D (2
3
)
Symbol
A
B
C
D
CN3 (OUT)
Name
Data
output
Data
output
Data
output
Data
output
Power
supply
Power
supply
Function
A (2
0
)
B (2
1
)
CN1 Terminal Arrangement
View of Mating Portion
(19)(17)
(1)
11 12 13 14 15 16 17 18 19 20
1 2 3 4 5 6 7
8
9 10
(20)(18)
(2)
PCB
C (2
2
)
D (2
3
)
Positive side
(+) power-
supply terminal
0 V power-
supply terminal
Positive side
+V
(+) power-
supply terminal
0 V power-
GND
supply terminal
6
7
8
GND
SI
RBO
Control B7A serial data SO
input
received
Control Zero-suppress RBI
output output
(See note 3.)
Control 1st-digit latch
input
input
Control 2nd-digit latch
input
input
Control 3rd-digit latch
input
input
LEO1
LEO2
LEO3
Control B7A serial data
output transmitted
Control Zero-suppress
input
input
(See note 3.)
Control 2nd-digit latch
output output
Control 3rd-digit latch
output output
Control 4th-digit latch
output output
Note: 1.
The numbers in parentheses are the pin numbers for the
XG4C-2031 Connector for Models with 80-mm-high
Characters and for the XG4A-2034 Connector for Models
with 120/200-mm-high Characters.
2.
Connectors
•
Flat-cable Connector: XG4M-2030
•
Connectors for Loose Wires with Crimp Terminals:
XG5M-2032-N (Applicable wire gauge: AWG24)
XG5M-2035-N (Applicable wire gauge: AWG28 to AWG26)
Models with 80 mm-high Characters
9
10
11
LEI1
LEI2
LEI3
CN2
A
B
C
D
+24
V
GND
SI
RBO
LEI1
LEI2
LEI3
1
2
3
4
5
6
7
8
9
10
11
DSW
CN3
1
2
3
4
5
6
7
8
9
10
11
Note: 1.
The CN2 or CN3 Multi-digit Connector must be used for serial
transmission and dynamic control with the B7A Link Terminal.
Refer to page 5 for details. To use zero suppression, refer to
page 8. Use the CN2 and CN3 for connection with the M7E only.
2.
Use the following connectors for the connector terminals:
CN1: XG4M-2030 or equivalent
CN2 and CN3: M7E-WH@11A
Refer to
CN1 Terminal Arrangement
for the pin numbers.
Refer to page 2 for the dedicated harness.
3.
Refer to the list of input codes for RBO or RBI control.
11 12
1
2
20
10
CN1
A
B
C
D
+24
V
GND
SO
RBI
LEO1
LEO2
LEO3
TB1
+24
V
GND
SI
PCB
Case
■
Block Diagram
Note:
Circled numbers are the connector pin numbers.
Signal Input Circuit
Negative Logic Model
+5
V
3.9 kΩ
Signal input
4.3 kΩ
LED elements
Power
supply circuit
Input connector
Input circuit
Driver
Operation Examples of Zero Suppression
Zero suppression operates when the display is 0, RBI is low, and the decimal
point is not lit. Then low is output to RBO.
Example 1: Zero suppression is not required and the RBI input and RBO
output of each digit are open.
Example 2: Zeros are suppressed only for the digits on the left of the digit
where the decimal is lit when both zero suppression and a
decimal point are being used.
Fourth digit
Example 1
Third digit
Second digit
First digit
Example 2
Multi-digit
connector from
the rightmost digit
Multi-digit
connector to the
leftmost digit
Note:
Use RBO output for the connection with RBI input only.
4
M7E
■
External Connections
Refer to
Block Diagram
on page 4 and
Terminal Arrangement/Functions
on page 3 for external connections for each Unit.
PLC Connections
Refer to your PLC operation manual before connecting the PLC.
Static Control
Connected to C500-OD213 Transistor Output Unit
PLC
A to D,
DP, BI
Connect the PLC's output to the A to D (BCD
output), DP, and BI terminals individually.
Note:
Use separate output terminals for DP
or BI control.
Dynamic Control
Connected to C200H-OD215 (Static Mode) Transistor Output Unit
PLC
A to D,
DP, LE
•
Connect the PLC's output to the A to D (BCD
output) terminals of the rightmost digit.
•
Latch control is set with the LE1 to LE4 terminals of
the rightmost Unit.
The terminals correspond as follows:
LE1: Rightmost digit (example: 1's digit)
LE2: Second digit (example: 10's digit)
Harness connector
LE3: Third digit (example: 100's digit)
M7E-WH@11A
Note: 1.
The display colors of the three-color displays must be selected individually. LE4: Forth digit (example: 1,000's digit)
2.
In static mode, ladder programming is required for latch control.
•
By supplying power to a single display, all the displays will be
supplied with power.
•
The B7A's serial output must be connected to the SI terminal of
the rightmost TB1.
•
Use OMRON's M7E-WH@11A Harness Connectors or
equivalent to connect all Units.
•
The DP and BI terminals can be controlled by transmitting the
Harness connector
following special data
M7E-WH@11A
Hexadecimal C data: Turns ON the decimal point of the relevant
digit.
Hexadecimal D data: Turns OFF the decimal point of the relevant
digit.
Hexadecimal F data: Deletes the display (BI control) of the
relevant digit.
•
Use the B7A Link Terminal with a normal I/O delay of 19.2 ms.
PC
OUTPUT UNIT
The B7A with short I/O delay cannot be used.
(BCD output)
Note:
The display colors of the three-color displays must be selected individually.
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Industrial Control Electronics
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