Panasonic SC-HG1-485 Instruction Manual

INSTRUCTION MANUAL
RS-485 Communication Unit SC-HG1-485
MJE-SCHG1485 No.0095-38V
Thank you very much for purchasing Panasonic products. Read this Instruction Man-
ual carefully and thoroughly for the correct and optimum use of this product. Kindly
keep this manual in a convenient place for quick reference.
For communication commands and other detailed information about the RS-485
Communication Unit SC-HG1-485, refer to the "SC-HG1-485 User's Manual"(our
Website: https://industry.panasonic.com/ ).
WARNING
Never use this product as a device for personnel protection.
For personnel protection, use only products that meet the laws and standards for per-
sonnel protection that apply in each region or country, such as OSHA, ANSI and IEC.
1 REGULATIONS AND STANDARDS
This product complies with the standards / regulations below.
<Conformity Directives / Conforming Regulations>
EU Law : EMC Directive 2014/30/EU
British Legislation : EMC Regulations 2016/1091
Applicable Standards
EN 61000-6-4 : 2007 +A1:2011,EN 61000-6-2 : 2005
2 CONTENTS OF PACKAGE
Main unit:
Termination resistor switching short pin:
Instruction Manual (English / Japanese, Chinese / Korean):
General Information for Safety, Compliance, and Instructions
3 SYSTEM CONFIGURATION
This product can be connected to a maximum of 15 controllers (one master con-
troller, 14 slave controllers).
This product is an interface unit that is used to monitor measured values and ON / OFF
states of outputs on controllers connected via a host controller (PLC), and turn inputs
ON / OFF. This product can also be used to read and change controller settings.
You can select MODBUS (RTU mode / ASCII mode) or MEWTOCOL for the communication protocol.
The power that drives this product is supplied from a connected controller / master controller.
To power supply
Controller - master (Option)
To power
supply
To PLC
Controllers - slave (Option)
SC-HG1-485
(Maximum 14 units connectable)
Termination resistor switching
short pin (Accessory)
Compatible controllers HG-SC
End plate MS-DIN-E (Option)
4 DESCRIPTION OF PARTS
1 2 3 4
7
8
9
6
5
<Switch cover removed>
Name Function
MODBUS: 01 (station 1) to 99 (station 99), MEWTOCOL: 01 (station 1) to 64 (station 64)
1 Address setting switch
[Factory setting: 01 (station 1)] (00: Prohibited)
Baud rate setting 0: 19,200 bps, 1: 38,400 bps, 2: 57,600 bps, 3: 115,200 bps, 4: 1,200 bps
2
switch 5: 2,400 bps, 6: 4,800 bps, 7: 9,600 bps [Factory setting: 19,200 bps]
Termination resistor
3 Use to enable the termination resistor incorporated in the product.
switching short pin
Communication
4 Connect to a host device or other SC-HG1-485.
connectors
5 Male connector Connect to a master controller or slave controller.
Lower communication Lights up when a communication error occurs between the SC-HG1-485 and a con-
6
error indicator (Red) troller.
Upper communication Lights up when a command error or communication error occurs between the PLC
7
error indicator (Red) and the communication unit.
Communication
8 Lights up during communication.
indicator (Green)
9 Power indicator (Green) Lights up when power is supplied.
SW No. Name Function (0: OFF, 1: ON)
Communication
1 0: MODBUS, 1: MEWTOCOL
protocol setting
MODBUS:
0: RTU, 1: ASCII
Transmission mode setting
2
MEWTOCOL:
10 Communication switch 0: 8 bits, 1: 7 bits
Data bit setting
Parity check 00: Even
3
setting 01: Odd
SW3: Upper 10: None
4
SW4: Lower 11: Prohibited
5 Stop bit length setting (Note) 0: 1 bit, 1: 2 bits
6 to 8 Not used.
Note: Only valid when MEWTOCOL is used.
5 COMMUNICATION SETTINGS
After changing the settings, always turn the power OFF and then ON.
For the communication conditions and commands, refer to the "SC-HG1-485 Us-
er's Manual"(our Website: https://industry.panasonic.com/ ).
Procedure
1. Set the address with the address setting switches.
2. Set the communication speed with the baud rate setting switch
3. Set the communication settings (communication protocol, trans-
mission mode / data bit, parity check, stop bit length) with the
communication switches.
When you have completed the communication switch settings,
attach the switch cover.
6 MOUNTING AND CONNECTIONS
Mounting procedure
1. Hook the rear of the mounting part onto the
35mm width DIN rail.
2. While pressing the rear of the mounting part
of the mounting part onto the DIN rail.
1 pc.
1 pc.
1 pc. each
1 pc.
Removal procedure
1. Grasp the product and push forward.
2. Lift the front to remove.
Note: If you attempt to lift the front without pushing the product forward, you may bend the hook on the back of the
mounting part.
Connection procedure
This product must be connected to a controller.
Up to 15 controllers (one master controller and 14 slave controllers) can be con-
nected to the product.
Always shut OFF the power before connecting the product to or disconnecting
the product from from a controller. Risk of damage to the product and controller if
connected with the power ON.
product and controller if not connected completely.
To connect the product to a controller, the units must be mounted on a DIN rail.
Attach end plates MS-DIN-E
enclose the connected units at the ends.
For cautions on using controllers, refer to the manual for the controller.
1. Mount the product on a 35mm width DIN rail.
2. Remove the connector cover from the control-
ler. (Note 1)
10
3. Slide the product so that it directly contacts the
controller.
4. -
ing in so as to enclose the connected units at
the ends. (Note 2)
5. Tighten the screws to fasten the end plates.
Factory
default state
MODBUS
Notes: 1) Be sure to keep the connector cover you removed from the controller.
RTU 2)
8 bits
Removal procedure
1. Loosen the screws on the end plates and re-
Even
move the end plates.
2. Slide and remove the product and controllers.
1 bit
7 CONNECTING AN EXTERNAL DEVICE
Make sure that the power supply is OFF while performing wiring work.
Connecting the host communication cable
When two SC-HG1-485 units are connected together, up to 99 stations can be
connected when using MODBUS, or up to 64 stations when using MEWTOCOL.
Connect as shown below.
Make there is no duplication when setting addresses.
<Station No.: 01>
RS-485 host device
FG -RD +RD -SD +SD
(Note 1)
2) A termination resistor is incorporated in this product. Be sure to attach the termination resistor switching short
pin (provided) on the end SC-HG1-485.
3) Wire communication routes using transition wiring.
<Terminal block connection procedure>
When connecting the terminal block, use
2. Press down
solid wires, or stranded wires (lead
1. Insert
wires) with a ferrule (sleeve) terminal
35mm width DIN rail
(please obtain separately) attached as
1. Push forward
the connection hole.
When inserted correctly, the wire is
locked and cannot be pulled out. Take
care not to pull with excessive force, as
2. Lift
the wire may break.
To connect stranded wire (lead wire) to
the terminal block without using a ferrule
(sleeve) terminal, insert sufficiently into
the connection hole while pressing the
release button.
To disconnect solid wire or stranded
(lead) wire, pull out the wire while press-
ing the release button.
The following solid wire or stranded wire (lead wire) is recommended.
0.2 to 2.5mm 2 (AWG 24 to 12)
<Recommended cable>
Taiyo Cabletec Corporation: Sunlight SX-1P-0.2
Attachment and removal of termination resistor switching short pin
Controller - master unit (Option)
Controller - slave unit (Option)
Be sure to attach the termination resistor switching short pin (accessory) on the
end SC-HG1-485.
This product Attach the termination resistor switching short pin to "END" and "+" on the com-
munication connector.
To remove the termination resistor switching short pin, press the release buttons
(x2).
<Mounting>
Connector cover
Termination resistor
switching short pin
Slide
End plate (Option)
End plate (Option)
Slide
8 SPECIFICATIONS
Designation
Model No.
Compatible controllers
Number of units connectable
Number of blocks
Supply voltage (Note)
Current consumption
Communication method
Synchronization method
Communication protocol
Communication speed
MODBUS: Maximum 99 stations
Electrical characteristics
MEWTOCOL: Maximum 64 stations
Stop bit length
Parity check
<Station No.: 02> <End unit>
Data bit length
Termination resistor
switching short pin (Note 2) Total extension distance
+ - + -
FG FG
Ambient temperature
Ambient humidity
Material
Weight
+ - FG + - FG + - FG
Note: Power is supplied from a connected controller / master controller.
9 Cautions
This product has been developed / manufactured for industrial use only.
cluding controllers.
When noise generating equipment (switching regulator, inverter motor, etc.) is
used in the vicinity of this product, connect the frame ground (F.G.) terminal of the
Lead wire
equipment to ground.
Do not use during the initial transient time (1s) after the power supply is switched ON.
Ferrule (sleeve) terminal
Make sure that the power is OFF while performing wiring or connection work.
(Please obtain separately)
Risk of damage and burning if the load is incorrectly wired or short-circuiting occurs.
Do not wire in parallel with a high-voltage line or power line, or run through the
same conduit. Risk of malfunctioning due to induction.
This product is suitable for indoor use only.
Lead wire insertion hole Avoid dust, dirt, and steam.
Do not use in locations where there are corrosive or other harmful gases.
Ensure that the product does not come into contact with organic solvents such as
thinner.
Flat-head screwdriver
Ensure that the product does not come into contact with strong acid or alkaline.
Ensure that the product does not come into contact with oil or grease.
sive gases.
Do not drop or otherwise subject to shock. Risk of product damage.
Release button
Never attempt to disassemble, repair, or modify the product.
When the product becomes unusable or unneeded, dispose of the product appro-
priately as industrial waste.
<Removal>
Flat-head screwdriver
Release button
Panasonic Industry Co., Ltd.
1006, Oaza Kadoma, Kadoma-shi, Osaka 571-8506, Japan
https://industry.panasonic.com/
Please visit our website for inquiries and about our sales network.
Panasonic Industry Co., Ltd. 2024
April, 2024
RS-485 Communication Unit
SC-HG1-485
HG-SC
Maximum of 15 controllers (one master, 14 slaves) per SC-HG1-485 unit
MODBUS: Maximum 99 stations, MEWTOCOL: Maximum 64 stations
24V DC ±10%, Ripple P-P 10% or less
40mA or less
Two-wire half duplex communication
Start-stop synchronization
MODBUS (RTU / ASCII) / MEWTOCOL-COM
1,200bps / 2,400bps / 4,800bps / 9,600bps / 19,200bps / 38,400bps / 57,600bps / 115,200bps
Conforms to EIA RS-485
1 bit / 2 bits
Even / Odd / None
8 bits / 7 bits
Communication cable: 1,200m or less between SC-HG1-485 (terminal) and PLC
-10 to +45°C (No condensation or icing), Storage: -20 to +60°C
35 to 85% RH, Storage: 35 to 85% RH
Unit case: PC
Approx. 75g
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PRINTED IN JAPAN