Twido Programmable controller

Characteristics (continued)
Twido programmable controller
Analog I/O extension modules
1
2
3
4
5
6
7
8
9
10
Characteristics of 3 and 6-channel analog input/output modules
Analog inputs
Module type TM2 AMM 3HT TM2 AMM 6HT TM2 ALM 3LT
Number of channels 2 high-level inputs 4 high-level inputs 2 low-level inputs
Voltage Current Voltage Current Thermocouple Temperature
probe
Range 0…10 V 4…20 mA 0…10 V 4…20 mA Type:
- J: 0…1200°C
- K: 0…1300°C
3-wire
Pt probe:
- 100…500°C
- T: 0…400°C
Non-isolation between input channels
Type Non-differential Non-differential Non-differential
Resolution
12 bits
LSB value 2.5 mV 4.8 μA 2.5 mV 4 μA 0.1°C 0.15°C
Permissible continuous overload 13 V c 40 mA 13 V c 40 mA –
Input impedance 1 MΩ min. 10 Ω min. 1 MΩ min. 250 Ω max. 1 MΩ min.
Maximum sampling duration ms 10 16 60 20
Acquisition period ms 60 + 1 controller cycle
time
16 per channel,
confi gurable software +
1 controller cycle time
60 + 1 controller
cycle time
Measuring precision Max. error at 25°C % FS ± 0.2 ± 0.5 0.2 ± 4°C max. (1) ± 0.2
Temperature coeffi cient % FS/°C ± 0.006 ± 0.015 ± 0.006
Repeat accuracy after % FS ± 0.5 ± 0.5 ± 0.5
stabilization time
Nonlinearity % FS ± 0.2 ± 0.4 ± 0.2
Total error % FS ± 1 ± 1 ± 1
Crosstalk
2 low signifi cance bits max.
Isolation
Photocoupler between the inputs and the internal circuit
80 + 1 controller
cycle time
Analog outputs
Module type TM2 AMM 3HT TM2 AMM 6HT TM2 ALM 3LT
Number of channels 1 output 2 outputs 1 output
Voltage Current Voltage Current Voltage Current
Range 0…10 V 4…20 mA 0…10 V 4…20 mA 0…10 V 4…20 mA
Resolution
12 bits
LSB value 2.5 mV 4.8 μA 2.5 mV 4 μA 2.5 mV 4.8 μA
Load Type Resistive
Impedance Ω 2000 min. 300 max. 2000 min. 300 max. 2000 min. 300 max.
Stabilization time ms 20
Recovery time ms 20 + 1 controller cycle time
External supply V Nominal voltage: 24 c; Limit values: 20.4…28.8 c (ripple included)
Measuring precision Max. error at 25°C % FS ± 0.2 ± 0.9 ± 0.2
Temperature coeffi cient % FS/°C ± 0.015 ± 0.02 ± 0.015
Repeat accuracy after % FS ± 0.5 ± 1 ± 0.5
stabilization time
Output error % FS ± 1
Nonlinearity % FS ± 0.2 ± 0.5 ± 0.2
Output ripple
1 low signifi cance bit max.
Total error % FS ± 1 ± 1.5 ± 1
Isolation
Photocoupler between the inputs and the internal circuit
Analog I/O common
Module type TM2 AMM 3HT TM2 AMM 6HT TM2 ALM 3LT
Connection
Removable screw terminal block
Sensor and preactuator cabling
Shielded cable (shielding to be connected to the TM2 XMTGB ground connection plate)
Dielectric Between input channels
Non-isolated
strength Between input and output channels V rms 500 a 800 a 500 a
Between channels and external supply V rms 500 a 800 a 500 a
Between channels and internal logic V rms 500 a 1500 a 500 a
External supply Nominal voltage V 24 c
Limit values
19.2…30 c (ripple included)
Module consumption Internal 5 V c supply mA 50 60 50
External 24 V c supply mA 50 80 50
(1) ± 4°C: Precision of cold junction compensation
Presentation:
page 50
Description:
page 50
References:
page 54
Dimensions:
page 55
Connections:
pages 56 …
52