tM-AD8C 8-channel Current Analog Input Module- QuickStart (Jun/2016)
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-AD8C
8-channel Isolated Current Analog Input
Module
Quick Start Guide
Product Website:
http://www.icpdas-usa.com/tm_ad8c.html
http://www.icpdas-usa.com/dcon_utility_pro.html
1. Introduction
The tM-AD8C is an current input module that includes 8 single-ended analog input
channels and provides a programmable input range on all analog inputs (0 ~ 20 mA, 4 ~
20 mA). The sampling rate of the tM-AD8C is adjustable and is available in either fast or
normal mode and It also provides 4 KV ESD protection as well as 2500 Vrms intra-
module isolation.
2. Terminal Assignment
tM-AD8C 8-channel Current Analog Input Module- QuickStart (Jun/2016)
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 AD modules are as follows:
。 Protocol: Modbus RTU
。 Module Address: 01
。 Analog Input Type: type code 08, -10V to 10V
。 Baud Rate: 9600 bps
tM-AD8C 8-channel Current Analog Input Module- QuickStart (Jun/2016)
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 analog current 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-AD8C 8-channel Current Analog Input Module- QuickStart (Jun/2016)
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-AD8C 8-channel Current Analog Input Module- QuickStart (Jun/2016)
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-AD8C 8-channel Current Analog Input Module- QuickStart (Jun/2016)
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.
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