Difference between revisions of "MASTECH MS6514"

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Revision as of 22:03, 15 August 2019

MASTECH_MS6514
Status planned
Source code mastech_ms6514
Connectivity USB/serial
Measurements temperature
Features data hold, min/max/avg
Website mastech-group.com

The MASTECH MS6514 is a logging thermometer with two thermocouple inputs and USB connectivity. It supports K,J,T,E,R,S,N thermocouple types.

The device sends temperature measurements at appr. 2 Hz to the host.

Hardware

  • TODO
  • SiLabs CP2102 USB interface chip.

Photos

TODO

Protocol

The device communicates with the host via a SiLabs CP2102 USB interface chip. Communication parameters are 9600_8_N_1. Live data is transmitted as soon as the button Setup/PC-Link is pressed for 3 seconds.

Commands

Byte Description
0xA1 Start sending stored data

Received data

Byte Bit Description
0 Always 0x65
1 Always 0x14
2 0 1=READ of stored values, 0=LIVE data
4..3 Index of stored value (0..999) oldest is 0
6..5 Temperature main display (absolute value without sign)
8..7 Temperature aux display (absolute value without sign)
9 5..4 Mode: 10=SETUP, 11=READ
2..0 Thermocouple type (1=K, 2=J, 3=T, 4=E, 5=R, 6=S, 7=N)
10 6 Hold (1=HOLD, 0=not HOLD)
5 Record active (1=REC, 0=not REC)
1..0 Unit (1=°C, 2=°F, 3=K)
11 7 Sign temperatue main display (1=negative, 0=positive)
6 Overload temperature main display (1="OL" on LCD)
3 Factor temperature main display (1 means divide by 10)
1..0 Function main and aux display (00=T1 on main, T2 on aux; 01=T2 on main, T1 on aux; 10=T1-T2 on main, T1 on aux; 11=T1-T2 on main, T2 on aux)
12 7 Sign temperatue aux display (1=negative, 0=positive)
6 Overload temperature aux display (1="OL" on LCD)
3 Factor temperature aux display (1 means divide by 10)
1..0 Function aux display (0=no active, 1=MAX, 2=MIN, 3=AVG). If >0 function defined in byte 11, bit 0-1 is overriden.
13 Hours (hh)
14 Minutes (mm)
15 Seconds (ss)
16 Always 0x0D
17 Always 0x0A