Seneca T201DCH50-MU User manual
INSTALLATION MANUAL
T201DCH50-MU (HW2 version)
T201DCH100-MU (HW2 version)
T201DCH300-MU (HW2 version)
True RMS or DC bipolar AC/DC current transducer
with ModBus RTU protocol and analogue/digital output
SENECA s.r.l.
Via Austria, 26 – 35127 – PADOVA – ITALY
Tel. +39.049.8705355 - 8705359 - Fax +39.049.8706287
For manuals in other languages and conguration software, visit:
www.seneca.it/
products
/t201dch50-mu - www.seneca.it/
products
/t201dch100-mu - www.seneca.it/
products
/t201dch300-mu
EN
MI00544-0-EN 1/4
T201DCH50-MU
T201DCH100-MU
T201DCH300-MU
MODULE LAYOUT
Dimensions LxHxD 95 x 68 x 26 mm; Weight: ≈ 120 g; Enclosure: PA6, black
PRELIMINARY WARNINGS
The word WARNING preceded by the symbol indicates conditions or actions that put the user's safety at risk.
The word ATTENTION preceded by the symbol indicates conditions or actions that might damage the instrument or
the connected equipment.
The warranty shall become null and void in the event of improper use or tampering with the module or devices supplied by
the manufacturer as necessary for its correct operation, and if the instructions contained in this manual are not followed.
WARNING: The full content of this manual must be read before any operation. The module must only be used by
qualied electricians.
Specic documentation is available from:
www.seneca.it/products/t201dch50-mu / www.seneca.it/products/t201dch100-mu / www.seneca.it/products/t201dch300-mu
Electrical and electronic waste disposal (applicable in the European Union and other countries with recycling). The
symbol on the product or its packaging shows the product must be surrendered to a collection centre authorized to
recycle electrical and electronic waste.
The module must be repaired and damaged parts replaced by the Manufacturer.
The product is sensitive to electrostatic discharges. Take appropriate measures during any operation.
LED STATUS LED meaning
PWR/COM Green ON The device is powered correctly
PWR/COM Green Flashing Communication via USB port
D-OUT Yellow ON Digital output activated
SIGNALS VIA LED ON FRONT PANEL
2/4
26.0 mm
mm
86
95.0 mm
20.8 mm
ASSEMBLY
The device can be mounted in any position, in compliance with the expected environmental conditions. Use the
accessories supplied for xing on a DIN rail.
Attention: magnetic elds of considerable magnitude can alter the measurement: avoid proximity to permanent
magnetic, electromagnetic elds, or ferrous masses which induce strong alterations of the magnetic eld; possibly,
if the zero error is greater than the declared error, try a different arrangement or change orientation.
TECHNICAL SPECIFICATIONS
STANDARDS
EN61000-6-4 Electromagnetic emissions, industrial environment.
EN61000-6-2 Electromagnetic immunity, industrial environment.
EN61010-1 Safety.
INSULATION Using an insulated conductor, its sheath determines the insulation voltage. An insulation of 3
kV ac is guaranteed on bare conductors
ENVIRONMENTAL
CONDITIONS
Temperature: -20 – + 70°C
Humidity: 10%– 90% non condensing.
Altitude: Up to 2000 m above sea level
Storage temperature: -40 – + 85°C
Degree of protection: IP20.
ASSEMBLY 35mm DIN rail IEC EN60715
CONNECTIONS Removable 5-way screw terminals, 5 mm pitch for cable up to 2.5 mm2
micro USB
POWER SUPPLY Voltage: on Vcc and GND terminals, 11.5 – 28 Vdc;
Absorption: Typical: 21 mA (LOAD EXCLUDED)
COMMUNICATION
PORT
RS485 serial port on terminals A+ and B-; or on USB port
INPUT
(on 20.8 mm
through hole)
Type of measurement: AC/DC TRMS or DC Bipolar
Crest factor: 2
Pass-band: 1 kHz
Overload: 2000 A impulsive, 3 x INcontinuing
CAPACITY AC/DC True RMS (DIP7=OFF) DC Bipolar (DIP7=ON)
T201DCH50-MU 0 – 25A or 0 - 50A -0 – +25A or -50 - +50A
T201DCH100-MU 0 – 50A or 0 - 100A -50 – +50A or -100 - +100A
T201DCH300-MU 0 – 150A or 0 - 300A -150 – +150A or -300 - +300A
ANALOGUE
OUTPUT
on Vout and
GND terminals
Type: 0 – 10 Vdc, minimum load RLOAD =2 kΩ.
Protection: Reverse polarity protection and over voltage protection
Resolution: 13 bit (10000 points)
EMI error: < 0.5%
Temperature coefcient: < 200 ppm/°C
Hysteresis on measurement: 0.2% of full scale
Response speed: With «Fast» lter 800 ms. With «Slow» lter 2000 ms.
The type of output can be selected via software
DIGITAL
OUTPUT
on Vout and
GND terminals
Type: active, 0 – Vcc, maximum load 50 mA
The type of output can be selected via software
ACCURACY below 2% of full scale above 2% of full scale
T201DCH50-MU
1% of full scale at 50/60 Hz, 23°C 0.5% of full scale at 50/60 Hz, 23°C
T201DCH100-MU
T201DCH300-MU
OVERVOLTAGE
CATEGORIES
Bare conductor: CAT. III 300 V
Insulated conductor: CAT. III 600 V
3/4
4/4
USB PORT
CU MICROOTG-A CU MICROB-A-
CU MICROB-A-
Configurazione
tramite APP
Android
Configurazione
tramite
software PC
The module is designed to exchange data according to the modes dened by the MODBUS protocol. It
has a micro USB connector and can be congured using applications and/or software programs. The USB
communication has priority over the RS485 communication.
The USB serial port uses the following communication parameters: 38400,8,N,1
The USB communication port responds exactly like the RS485 port with the exception of the communication
parameters. During the use of the USB port, the 485 bus will be inactive; it will reactivate automatically a few
seconds after the release of the USB port. EASY SETUP is the software to use for the conguration. For further
information go to the website on the cover.
Check that the device in question is included in the list of products supported by the Easy Setup APP in the store.
-
SETTING THE DIP-SWITCHES
The position of the DIP-switches denes the Modbus communication parameters of the module: Address and Baud Rate
The following table shows the values of the Baud Rate and the Address according to the setting of the DIP-switches:
DIP-Switch status
POSITION
ADDRESS
POSITION BAUD
RATE
POSITION TYPE OF
MEASUREMENT
POSITION MEASURING
SCALES
1 2 3 4 5 6 78
#1 9600 AC/DC true RMS Full scale
#2 19200 DC Bipolar Half scale
#3 38400 DIP-switches must be set while the module is not
powered on in order to avoid damaging it. KEY
#... 57600
#14
The instrument is supplied congured for 50 A (DCH50), 100 A (DCH100) and 300A
(DCH300), with 800 ms lter inserted and TRMS mode selected.
ON
#15 OFF
All dip-switches set to OFF: parameters from ash memory. See the USER manual
Note: When DIP switches 3 to 8 are OFF, the communication settings are taken from programming (EEPROM).
+
Vcc
Vout
GND
B-
A+
ELECTRICAL CONNECTIONS
Uscita (V)
Ingresso (A) TRMS
10
0± 50
±100
±300
± 25
± 50
±150
(DIP7 = OFF)
5
Ingresso (A) D C Bipolar
- 50
-100
-300
+ 50
+100
+300
0+
25
+ 50
+150
- 25
- 50
-150
Uscita (V)
(DIP 7 = ON)
10
5
CONTACT INFORMATION
Android
APP
conguration
PC
software
conguration
Output (V)
Output (V)
Input (A) TRMS Input (A) DC Bipolar
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