Siemens TX-I/O TXM1.16D, Функции и работа, Страница: 24 / 54

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Siemens TX-I/O™ Module system – Functions and operation CM110561en_08
Building Technologies Analog input functions 2018-10-25
4 Analog input functions
4.1 Measurement
The following analog variables can be processed:
– Temperature, via resistance sensors
– Resistance
– Voltage
– Current
Configurable signal types
Description Signal type Signal
Range
Under / Reso-
I/O
LCD
Error indication
TRA type
over range
6)
lution status
LED
Sh
or
te
d
U
nd
er
ra
ng
e
O
ver
ran
ge
O
pen
ci
rcu
it
No
c
urre
nt
tra
ns
mi
tte
r
U
nr
el
iab
le (
gen
.)
4)
Resistance & AI Pt1000
P1K
0...2500 Ω 0...2650 Ω 100 mΩ OFF Sensor type
x x
temperature
AI Pt100
2), 8)
P100 0...250 Ω 0...265 Ω 20 mΩ OFF (No LCD)
No LCD
2), 8)
AI 2500 Ohm R2K5
0...2500 Ω 0...2650 Ω 100 mΩ variable variable
x x
AI 250 Ohm
2)
R250
0...250 Ω 0 ...265 Ω 10 mΩ variable (No LCD)
No LCD
2)
Temperature AI Ni1000 R1K -50...150°C -52.5...155 °C 10 mK OFF Sensor type
x x x x
AI Ni1000
extended
Ni1K -50...150
(180) °C
1)
-52.5 ...185 °C 10 mK OFF Sensor type x x x x
AI PT1K375
(USA)
Pt1K 375 -50...150
(180) °C
1) 7)
-52.5 ...185 °C 10 mK OFF Sensor type x x x x
AI PT1K385
(Europe)
Pt1K 385 -50...400
(600) °C
1)
-52.5...610°C 20 mK OFF Sensor type x x x x
AI Pt100 4 wire
2), 8)
Pt100_4 -50...400
(600) °C
1)
-52.5...610°C 20 mK OFF (No LCD) No LCD
2), 8)
AI NTC10K NTC10K -50...130
(150) °C
1)
-52.5...155 °C 10 mK OFF Sensor type
x x x x
AI NTC100K NTC100K -40...115 °C -52.5...155°C 10 mK
(25 °C)
OFF Sensor type x x x
AI T1 (PTC) T1 -40...125 °C -52.5...155°C 10 mK
(25 °C)
OFF Sensor type x x x
Voltage AI 0-10V U10 0...10 V -1.5...11.5 V 1 mV variable variable
x x x x
Current AI 4-20 mA I420 4...20 mA 1.6...22.4 mA 1
µ A variable variable
x x x x
AI 0-20 mA
5)
I25 0...20 mA -3.0...23 mA
1 µ A
variable variable x x
1) (180) (600) (150) and NTC only with reduced hum injection, see [6]
2) The signal types AI Pt100, AI Pt100 4 wire and AI 250 Ohm run on the TXM1.8P module only, which has no LCD
display.
In the case of direct island bus integration , AI Pt100 4 wire and AI Pt100 are connected with 4 wires, AI 250 Ohm
with 2 wires.
In the case of P-bus BIM integration (V4) , AI Pt100 (P100) is connected with 4 wires, AI 250 Ohm (R250) with 2 wires
and jumpers to 4 terminals (as PTM-I/O); connection diagram see data sheet N8176.
The resolution with island bus is significantly better than with P-bus BIM.
4) The "unreliable (general)“ error message is displayed:
– when AC 24 V (terminal V ) for field supply is not available or low (AI 0-10V)
– when DC 24 V (terminal V , CS) for field supply is not available or low (AI 4-20mA, AI 0-20mA)
5) For 25 mA use signal type AI 0-10V and install a shunt of 400 Ohms (1 W, 0.1 %). Details: [7].
6) When the process value is out of range, an error message will be sent.
7) AI PT1K375: No restriction concerning hum injection for TXM1.8U und TXM1.8X.
8) An open circuit of a single conductor cannot be detected for these signal types.
Application