Do-more T1H Series PLC User Manual, 1st Edition, Rev. C
6–10
Chapter 6: Specifications - Analog I/O Modules
T1F-16RTD - 16 Channel RTD Input
RTD Input Ranges
RTD Type
Range
Pt100
Ω
-200 to 850
!
C (-328 to 1562
!
F)
Pt1000
Ω
-200 to 595
!
C (-328 to 1103
!
F)
jPt100
Ω
-38 to 450
!
C (-36 to 842
!
F)
Type CU - 10 / 25
-200 to 260
!
C (-328 to 500
!
F)
120
q
Nickel
-80 to 260
!
C (-112 to 500
!
F)
Specifications
Number of Channels
16
Resolution
±0.1
!
C or
!
F
Module Addressing
16 input bits (X-broken transmitter);
16 input words (WX)
Common Mode Range
0–5 VDC
Notch Filter
> 50db notches @ 50/60Hz; f - 3db
= 13.1 Hz
Absolute Max. Ratings
±50VDC
Converter Type
Charge balancing, 24-bit
Sampling Rate
140ms / channel
CPU Update Rate
1 channel per scan
Base Power Required
150mA @ 5VDC
Operating Temperature
0 to 60
!
C (32 to 140
!
F)
Temperature Drift
25ppm /
!
C (max.)
Maximum Inaccuracy
±1
!
C
RTD Excitation Current
200
e
A
Relative Humidity
5 to 95% (non-condensing)
Environmental Air
No corrosive gases permitted
Vibration
MIL STD 810C 514.2
Shock
MIL STD 810C 516.2
Noise Immunity
NEMA ICS3-304
Weight
168g
A to D
Converter
h c
t i
w
S
g o
l a
n
A
Equivalent Input Circuit
NOTES:
1. If an RTD sensor has four wires, the plus sense wire
should be left unconnected as shown.
x
See Note
Ref. Adj.
200 uA
Current
Source
200 uA
Current
Source
Internal Module Circuitry
V 0-V 3 (RTD Returns)
CH-
CH+
T1F-16RTD
0 1 2 3 4 5 6 7
8 9 10 11 12 13 14 15
A to D
Converter
h c
t i
w
S
g o
l a
n
A
Equivalent Input Circuit
NOTES:
1. If an RTD sensor has four wires, the plus sense wire
should be left unconnected as shown.
x
See Note
Ref. Adj.
200 uA
Current
Source
200 uA
Current
Source
Internal Module Circuitry
V 0-V 3 (RTD Returns)
CH-
CH+
Equivalent Input Circuit
A to D
Converter
h c
t i
w
S
g o
l a
n
A
Equivalent Input Circuit
NOTES:
1. If an RTD sensor has four wires, the plus sense wire
should be left unconnected as shown.
x
See Note
Ref. Adj.
200 uA
Current
Source
200 uA
Current
Source
Internal Module Circuitry
V 0-V 3 (RTD Returns)
CH-
CH+
White
Red
