MITSUBISHI ELECTRIC
Programmable
Controllers
Installation Manual for
Extension Blocks of the FX
Series
2NC
Art-no.: 212633 ENG, Version A, 10062009
Safety Information
For qualified staff only
This manual is only intended for use by properly trained and qualified elec-
trical technicians who are fully acquainted with automation technology
safety standards. All work with the hardware described, including system
design, installation, setup, maintenance, service and testing, may only be
performed by trained electrical technicians with approved qualifications
who are fully acquainted with the applicable automation technology safety
standards and regulations.
Proper use of equipment
The programmable controllers (PLC) of the MELSEC FX
2NC
only intended for the specific applications explicitly described in this man-
ual or the manuals listed below. Please take care to observe all the installa-
tion and operating parameters specified in the manual. All products are
designed, manufactured, tested and documented in agreement with the
safety regulations. Any modification of the hardware or software or
disregarding of the safety warnings given in this manual or printed on the
product can cause injury to persons or damage to equipment or other prop-
erty. Only accessories and peripherals specifically approved by
MITSUBISHI ELECTRIC may be used. Any other use or application of the
products is deemed to be improper.
Relevant safety regulations
All safety and accident prevention regulations relevant to your specific
application must be observed in the system design, installation, setup,
maintenance, servicing and testing of these products.
In this manual special warnings that are important for the proper and safe
use of the products are clearly identified as follows:
P
DANGER:
Personnel health and injury warnings.
Failure to observe the precautions described here
can result in serious health and injury hazards.
E
CAUTION:
Equipment and property damage warnings.
Failure to observe the precautions described here
can result in serious damage to the equipment or
other property.
Further Information
The following manuals contain further information about the modules:
b
FX
2NC
Series User´s Manual – Hardware Edition
b
FX
Series User´s Manual – Hardware Edition
3UC
These manuals are available free of charge through the internet
(www.mitsubishi-automation.com).
If you have any questions concerning the programming and operation of
the equipment described in this manual, please contact your relevant sales
office or department.
Specifications
General specifications
The general specifications are equivalent to the PLC main units of the
MELSEC FX
series. For further information, please refer to the FX
3UC
Series Hardware Manual.
Power consumption
The power for the extension blocks is supplied by the base unit or an exten-
sion power supply unit.
Item
Power consumption
FX
-16EX-DS
2.2 W*
2NC
Input
FX
-16EX-T-DS
2.2 W*
2NC
extension
FX
-32EX-DS
4.2 W*
2NC
FX
-16EYT-DSS
0.35 W
2NC
Output
FX
2NC
-16EYR-T-DS
2.2 W
extension
FX
-32EYT-DSS
0.7 W
2NC
*
Includes input current (5 mA per point)
Input specifications
Item
Specification
series are
FX
-16EX-DS
16
2NC
Number of
FX
-16EX-T-DS
16
2NC
input points
FX
2NC
-32EX-DS
32
Input circuit insulation
Photocoupler insulation
Input form
Sink or source
24 V DC (+20 % / -15 %);
Input signal voltage
Ripple voltage (p-p) 5 % or less
Input impedance
4.3 kΩ
Input signal current
5 mA (at 24 V DC)
ON
3.5 mA
Input sensitivity current
OFF
1.5 mA
Input response time
Approx. 10 ms
¼ No-voltage contact input
Sink input
¼ NPN open collector transistor
Connect-
able
¼ No-voltage contact input
sensors
Source input
¼ PNP open collector transistor
LED lights when input is
Input operation display
switched on
FX
-16EX-DS
2NC
Input con-
Connector
FX
-32EX-DS
2NC
necting
type
FX
-16EX-T-DS
Terminal block
2NC
Output specifications
Transistor Output Modules (FX
- EYT-DSS)
2NC
3UC
Item
Specification
Number of
FX
-16EYT-DSS
16
2NC
output
FX
-32EYT-DSS
32
points
2NC
Circuit insulation
Photocoupler insulation
Output form
Transistor, source
External power supply
5 to 30 V DC
¼ 0.1 A per output
Resistance load
¼ 0.8 A per group
Max. load
Inductive load
2.4 W (24 V DC) per output
Minimum load
—
≤ 0.1 mA at 30 V DC
Open circuit leakage current
≤ 1.5 V
ON voltage
OFF
ON
Response
≤ 0.2 ms with 100 mA (24 V DC)
time
ON
OFF*
Display of output operation
LED lights when output is driven
Output connecting type
Connector
Number of
FX
-16EYT-DSS
1 group with 16 outputs
2NC
output
points per
FX
-32EYT-DSS
2 groups with 16 outputs each
2NC
+V termi-
nal
*
The transistor OFF time is longer under lighter loads. For example,
with a load of 40 mA at 24 V DC, the response time is approx. 0.3 ms.
When response performance is required under lighter loads, install a
resistor in parallel with the load to increase the load current of the out-
put.
Relay Output Module FX
-16EYR-T-DS
2NC
Item
Specification
Number of output points
16
Circuit insulation
Relay
Output form
Relay
External power supply
max. 30 V DC / max. 240 V AC
¼ 2 A per output
Resistance load
¼ 4 A per group*
Max. load
Inductive load
80 VA
Minimum load
5 V DC, 2 mA
Open circuit leakage current
—
ON voltage
—
OFF
ON
Response
Approx. 10 ms
time
ON
OFF
Display of output operation
LED lights when output is driven
Output connecting type
Terminal block
Number of output points per
2 groups with 8 outputs each
COM terminal
*
When using one COM
terminal, make sure that the total load cur-
rent of 8 resistance load outputs (1 group) is 4 A or less.
When connecting two COM
terminals outside the PLC, the total
load current for 8 resistance load outputs is 8 A or less.
External dimensions and weight
Connector type extension blocks
W
13
74
Terminal type extension blocks
W
15
74
All dimensions are in "mm".
Model name
Connecting type
Width (W)
FX
-16EX-DS
2NC
14.6 mm
FX
-16EYT-DSS
2NC
Connector
FX
-32EX-DS
2NC
26.2 mm
FX
-32EYT-DSS
2NC
FX
2NC
-16EX-T-DS
20.2 mm
Terminal block
FX
-16EYR-T-D
2NC
24.2 mm
S
Weight
0.15 kg
0.2 kg
0.2 kg
0.2 kg