TS-1400

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TS-1400
TS-1400.jpg
Released March 2013
Product Page
Documentation
FTP Path
Relays
External Interfaces
2x RJ45 Modbus
Power Requirements
12-24V
Operates around ??
Operating Temperature
Cold -40C
Hot 85C
Mechanical
140mm x 102mm
Height 35mm (approx without baseboard)
Weight 167

Overview

The TS-1700 is a modbus peripheral device which brings out 8 DIO, or 8 one wire temperature sensors.

Getting Started

Power Requirements

Features

TS Modbus Support

When using all Technologic Systems Modbus devices we include functionality to create an arbitrary chain of stock peripherals to automatically enumerate all connected devices, configure them them, and generate an I/O map of all connected devices.

TS Modbus Autoconfiguration

The autoconfiguration works by using the optional mode pin on the RJ45 connector as designated in the MODBUS-2W standard. Technologic Systems uses this to indicate if it is a TS device. If it is asserted (low) to a TS device, then it will allow access to the #Holding Registers at address 0xfe. Normally 0xfe is not a valid address in Modbus, so this will not interfere with other devices.

This will identify the TS Modbus device model and revision, set the first device in the chain to 0x80, and then asserts the mode line to the next port to enumerate the next device. The next device address is set to 0x81, and they continue to increment 1 until no slave responds to the mode line indicating that all salve devices have been discovered. At this point the last device in the chain is configured to enable termination on the RS485 link, and all devices have their speed bumped up to 1M baud.

One-Wire Temperature Sensors

The TS-1700 supports any temperature sensor using the Maxim DS18B20 IC.

Maxim DS18B20 Specifications
Temperature Range -55C to 125C
Resolution 0.0625 degrees
Update Rate 750ms
Accuracy Maximum error 0.5 degree from -10C to 85C. The maximum is 2 degrees for the full -55C to 125C.
Maximum Sensor Cable Length ???

Register Interface

Holding Registers

The holding registers include various settings such as the configurable Modbus Address, termination enable, and more. These settings are common to all of our Modbus peripherals, and are stored in flash to persist between power cycles.

The Modbus protocol supports 64K

Address (hex) Address (dec) Access Description Example Values
0x70 112 Read/Write Modbus Mode 0 = ASCII, 1 = RTU
0x71 113 Read/Write RS485 Bus Termination Enable 0 = No termination, 1 = enable termination
0x72 114 Read/Write Modbus Device Address 0-65535
0x73 115 Read/Write Modbus baud rate Baud Rate
0x74 116 Read Only Unit Model TS-1700
0x75 117 Read Only Verilog Version 1
0x76 118 Read Only ZPU Version 1
0x77 119 Read Only Power Supply in millivolts 24000
0x78 120 Read Only Internal Temperature in 1/100th degree Celsius 22000
0x79 121 Read Only Reserved N/A
0x7a 122 Read Only Reserved N/A
0x7b 123 Read Only Reserved N/A
0x7c 124 Read Only Reserved N/A
0x7d 125 Read/Write Write value 0xfeed to make holding registers persistent N/A

Operating Registers

Address (hex) Address (dec) Access Description
0x0 0 Read Only DIO 0 sensor temperature [1]
0x1 1 Read Only DIO 1 sensor temperature [1]
0x2 2 Read Only DIO 2 sensor temperature [1]
0x3 3 Read Only DIO 3 sensor temperature [1]
0x4 4 Read Only DIO 4 sensor temperature [1]
0x5 5 Read Only DIO 5 sensor temperature [1]
0x6 6 Read Only DIO 6 sensor temperature [1]
0x7 7 Read Only DIO 7 sensor temperature [1]
0x8 8 Read Only DIO Input data [2]
0x9 9 Read Only DIO Output pins [3]
0x0a 10 Read Only 4 button inputs [4]
0x77 119 Read Only Device Power Supply in millivolts
0x78 120 Read Only Device temperature in 1/100th degrees Celsius
0x79 121 Read/Write DIO direction and configuration [5]
0x7a 122 Read/Write DIO Port DIO or Temp [6]
  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 The temperature is read in 1/100th degrees Celsius. The temperature is only readable when the sensor is connected and the DIO port is configured to read from the sensor (0x7a).
  2. The input values are reflected in each bit for the DIO that are configured as inputs. DIO not configured as an input will be 0
  3. The bits in the return value will correspond with the pin configuration at 0x121 to show which pins are configured as outputs
  4. Bits 0-3 of the return value correspond with the 4x optional membrane buttons on the outside of the case. The return value is already debounced, and will indicate with a 1 if the button is pressed.
  5. See this section for more details on this register
  6. >The bits in the return value will correspond with the DIO to set as a DIO (0), or a temperature sensor (1).

Baud Rate

The TS-1700 supports 15 speeds:

Value Baud Rate Maximum CAT5 Cable Length
0 300 1200 meters
1 600 1200 meters
2 1200 1200 meters
3 2400 1200 meters
4 4800 1200 meters
5 9600 1200 meters
6 19.2K 1200 meters
7 38.4K 1200 meters
8 57.6K 1200 meters
9 115.2K 800 meters
10 230.4K 400 meters
11 460.8K 200 meters
12 1040K 100 meters
13 2080K 50 meters
14 4160K 25 meters

DIO

The DIO configuration register at 0x79 allows you to select between 4 settings for each port. The register is 16-bits wide, and uses 2 bits for each port:

Register 0x79
Bits Function
15:14 Port 7
13:12 Port 6
11:10 Port 5
9:8 Port 4
7:6 Port 3
5:4 Port 2
3:2 Port 1
1:0 Port 0

Each port can have unique settings using these values:

Configuration Values
Bits Function
10 Input state with 1.2K ohm pull-up to 5V
11 Active low through 160 milliohms (capable of sinking 500mA)

Connectors

2x RJ45

Both RJ45 ports, and all of our Modbus based devices are designed to be compatible with 2W-MODBUS RJ45 following this pinout:

ModbusRJ45.png

16 Pin Terminal Block

The terminal block is a removable connector that includes 5V digital I/O. Every '+' pin is configurable using the Modbus registers, and each pin labelled '-' is connected to ground.

TS-1700-IO.jpg

Product Notes

FCC Advisory

This equipment generates, uses, and can radiate radio frequency energy and if not installed and used properly (that is, in strict accordance with the manufacturer's instructions), may cause interference to radio and television reception. It has been type tested and found to comply with the limits for a Class A digital device in accordance with the specifications in Part 15 of FCC Rules, which are designed to provide reasonable protection against such interference when operated in a commercial environment. Operation of this equipment in a residential area is likely to cause interference, in which case the owner will be required to correct the interference at his own expense.

If this equipment does cause interference, which can be determined by turning the unit on and off, the user is encouraged to try the following measures to correct the interference:

Reorient the receiving antenna. Relocate the unit with respect to the receiver. Plug the unit into a different outlet so that the unit and receiver are on different branch circuits. Ensure that mounting screws and connector attachment screws are tightly secured. Ensure that good quality, shielded, and grounded cables are used for all data communications. If necessary, the user should consult the dealer or an experienced radio/television technician for additional suggestions. The following booklets prepared by the Federal Communications Commission (FCC) may also prove helpful:

How to Identify and Resolve Radio-TV Interference Problems (Stock No. 004-000-000345-4) Interface Handbook (Stock No. 004-000-004505-7) These booklets may be purchased from the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402.

Limited Warranty

See our Terms and Conditions for more details.