ICP DAS USA tM-P8 User manual

tM-P8 8-channel Isolated Digital Input Module - QuickStart (Aug/2017)
ICP DAS USA, Inc. | www.icpdas-usa.com | 1-310-517-9888 | 24309 Narbonne Ave. Suite 200. Lomita, CA 90717
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tM-P8
8-channel Isolated Digital Input Module
Quick Start Guide
Product Website:
https://www.icpdas-usa.com/tm_p8
http://www.icpdas-usa.com/dcon_utility_pro.html
1. Introduction
The tM-P8 offers 8 channels for digital input, each of which features
photocouple isolation. In addition input can be either sink- or source-type
using wire connections and all channels can be used as 16-bit counters. 4
kV ESD protection and 3750 VDC intra-module isolation are also provided.
2. Terminal Assignment

tM-P8 8-channel Isolated Digital Input Module - QuickStart (Aug/2017)
ICP DAS USA, Inc. | www.icpdas-usa.com | 1-310-517-9888 | 24309 Narbonne Ave. Suite 200. Lomita, CA 90717
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3. Block/ Wiring Diagram
•Use 26-12 AWG wire for
signal connections.
•Strip the wire to a length of
7±0.5mm.
•Use a crimp terminal for
wiring.
•Avoid high-voltage cables
and power equipment as
much as possible.
•For RS-485
communication, use
insulated and twisted pair
24 AWG wire, e.g. Belden
9841.
4. Default Settings
Default settings for the tM-P8 module are as follows:
。Protocol: Modbus RTU
。Module Address: 01
。DIO Type: Type 40
。Baud Rate: 9600 bps

tM-P8 8-channel Isolated Digital Input Module - QuickStart (Aug/2017)
ICP DAS USA, Inc. | www.icpdas-usa.com | 1-310-517-9888 | 24309 Narbonne Ave. Suite 200. Lomita, CA 90717
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5. Configuration
To install the module, follow the steps below:
1. Connect the thermistor analog input.
2. Connect the module to the RS-485 network using the DATA+ and DATA- terminals.
3. Connect the module to the power supply using the +Vs and GND terminals. Note that
the voltage supplied should be in the range of +10 to +30V DC.

tM-P8 8-channel Isolated Digital Input Module - QuickStart (Aug/2017)
ICP DAS USA, Inc. | www.icpdas-usa.com | 1-310-517-9888 | 24309 Narbonne Ave. Suite 200. Lomita, CA 90717
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4. Open DCON utility pro
click on COM port(first icon).
It can select multi-options such as Baud Rate, Protocol, Checksum, and Format to
search module. The default settings for the module can be found in Section 3. Click OK
after selecting the COM port setting.

tM-P8 8-channel Isolated Digital Input Module - QuickStart (Aug/2017)
ICP DAS USA, Inc. | www.icpdas-usa.com | 1-310-517-9888 | 24309 Narbonne Ave. Suite 200. Lomita, CA 90717
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5. DCON utility pro will search for the selected COM port according the setting
previously set. DCON Utility Pro supports DCON and Modbus protocol for all ICPDAS
and the others modules.
6. Configuration I/O module setting on PC

tM-P8 8-channel Isolated Digital Input Module - QuickStart (Aug/2017)
ICP DAS USA, Inc. | www.icpdas-usa.com | 1-310-517-9888 | 24309 Narbonne Ave. Suite 200. Lomita, CA 90717
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7. The Modbus RTU communication protocol is the default protocol of the tM series.
The communication Baud Rates for the Modbus RTU protocol can be in the range of
1200 bps to 115200 bps
8. If user doesn’t know command, user can select Address and ID, it will show some
refer commands as below. User can select necessary command to test or debug
modules.