5-pin M 12/ Euro-style M ale

Connector

Pin

W ire Color

Sensor

Connection

5

Gray

For 12–24 V dc

For 3.6–5.5 V dc

release from ground t o disable serial

communications

Refer t o t he Class I Division 2 cont rol drawings (p/ n

Low Power M ode

Temperat ure and Humidit y Sensor's serial

ideal for

To operat e t he Banner Temperat ure and Humidit y Sensor in Low Power M ode, t he supply volt age applied t o Power In must be wit hin

t he range of 3.6–5.5 V dc. Set t he Select Line t o 0 V (ground) t o select t he sensor and

Release t he Select Line from 0 V (ground) t o deselect t he sensor and disable t he sensor's serial

sensor's green LED

For example, t o use Low Power M ode, use 3.6 V dc

active).

M odbus Registers

I/ O Range

Holding Register

Representation

Sensor Address

Description

M in Value

M ax Value

M in (Dec)

M ax (Dec)

40001

Humidit y (%RH)1

0

100.00%

0

10,000

40002

Temperat ure (°C)

–1638.4

1638.3

–32768

32767

40003

Temperat ure (°F)

–1638.4

1638.3

–32768

32767

46101

Baud

0=9.6k, 1=19.2k (default ), 2=38.4k

46102

Parit y

0=none (default ), 1=odd, 2=even

46103

M odbus slave address

1 (default ) t hrough 247

The t emperat ure = (M odbus regist er value) ÷ 20.

Specifications

Supply Voltage

12 t o 24 V dc OR 3.6 t o 5.5 V dc low power

option

Current

Default sensing: 45 µAmps

Disabled sensing: 32 µAmps

Discrete Input

One, NPN/ Sinking

Sample Rat e: 125 milliseconds

ON

OFF

M 12 × 1

Indicators

Green

Red

Temperature and/ or Humidity Input

Sample Rat e: 16 seconds

Communication

Int erface: RS-485 serial

Baud rat es: 9.6k, 19.2k (default ), or 38.4k

Dat a format : 8 dat a bit s, no parit y (default ), 1 st op bit (even or odd parit y

available)

Do not use

Prot ocol: M odbus RTU

Temperature

Accuracy

–40 °C t o 0 °C: ± 0.6 °C

0 °C t o 60 °C: ± 0.4 °C

+60 °C t o +85°C: ± 1.2 °C

12 V can increase t he t emperat ure accuracy error by up t o 1 °C. The amount of

error depends upon t he

characteristics.

M easuring Range: 0 t o 100%

Accuracy:

25 °C: ±2%

0 °C t o 70°C and 10–90%: ±3%

0 °C t o 70°C and 0–10 % or 90–100 %: ± 7%

1 Only available on the M 12FTH3Q model. Humidity sensor is not included with the M 12FT3Q model.

2

3

Humidit y measurement s are only available wit h model M 12FTH3Q. M odel M 12FT3Q does not include t he humidit y sensor.

2

www.bannerengineering.com - Tel: +1-763-544-3164

P/ N 163751 Rev. H