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TBX DMS 16P22
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The TBX DMS 16P22 distributed input/output module Chapter 17
The TBX DMS 16P22 distributed input/output module
Subject of this chapter
This chapter presents the TBX DMS 16P22 module, its characteristics and the terminal wiring.
What Is in This Chapter?
This chapter contains the following topics:
Topic
Introduction to the TBX DMS 16P22 module
Characteristics of the inputs/outputs of module TBX DMS 16P22
Connecting the module TBX DMS 16P22
Page
214
216
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TBX DMS 16P22
Introduction to the TBX DMS 16P22 module
General
The TBX DMS 16P22 is a modular base unit with 24 V DC inputs, compatible with 2 and 3 wire proximity sensors and 24 V DC 0.5 A transistor outputs. The number of inputs/outputs is variable
(8I/8O, 9I/7O, ..., 16I/0O).
The module is equipped with a terminal block for direct wiring of the sensors and preactuators, which can be removed when it is switched off.
The sensor voltage and preactuator voltage are monitored to ensure that there is sufficient voltage for the inputs to operate correctly and for coherent processing of the outputs.
The outputs are protected against overloads and short-circuits. If there is a fault at an output, it is set to a safe state, the default state, which is determined by the user: fallback position.
Once the fault has been corrected, the output can be reactivated, if it is reset
( see page 332 ) .
The inputs/outputs of this module have functions
to the various tasks in the application.
( see page 320 ) which, in certain cases, are
common to a group of channels. Thus, it is possible to assign the 2 channel groups of the module
Specific function
Each of the channels 8 to 15 of this base unit can be programmed to 8 inputs.
( see page 325 ) , either as an
input or as an output. This enables one base unit to have either 16 inputs, or 1 to 8 outputs and 15
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TBX DMS 16P22
Technical specifications
The following table provides the technical specifications of the module.
TBX DMS 16P22
Nominal voltage +SV
Supply voltage +SV
Current drawn on +SV of the base module (at
24 V) if basic unit if extension base unit
Current drawn at +SV by extension module (at 24 V)
Current drawn at +IS (at 24 V)
(loading = 60 %)
Current drawn at +OS (at 24 V)
(with no active outputs)
Power dissipated at nominal load in the module
(loading = 60 %)
Dielectric strength between inputs and ground (GND)
Isolation resistance
24 V DC
19,2 V DC to 30 V DC
30 mA typically negligible
25 mA typically
75 mA typically
100 mA typically
6,5 W at 24 V
1500 V rms - 50/60 Hz for 1 min
> 10 MΩ below 500 V DC
Key:
SV
IS
OS
Power supply to module (communication module if present and input/output interfaces).
Power supply to sensors.
Power supply to pre-actuators.
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Characteristics of the inputs/outputs of module TBX DMS 16P22
General characteristics of the inputs
This table presents the characteristics of the inputs of module TBX DMS 16P22:
Module TBX DMS 16P22
Nominal voltage IS
Nominal current
Sensor supply IS or S
Voltage for ON state
Current at 11 V
Voltage for OFF state
Current for OFF state
Input impedance
Switch-on time
Switch-off time
Permitted line resistance (2 wire proximity sensor)
Permitted line resistance (volt-free contact)
Permitted leakage resistance (2 wire proximity sensor)
Permitted leakage resistance (volt-free contact)
IEC standard 1131
Compatibility with Telemecanique 2 wire proximity sensors
Compatibility with CENELEC 3 wire proximity sensors
Compatible with TBX transistor outputs
Type of input
Type of logic
Power dissipated per channel at ON state
Protection of +C terminals against overload or short-circuit
Protection against a reverse polarity on IS
24 V DC
15 mA
19,2 V DC to 30 V DC
≥ 11 V
≥ 6 mA
< 5 V
≤ 2 mA
1,6 kΩ
5 to 10 ms
5 to 12 ms
100 Ω
500 Ω
> 100 kΩ
> 30 kΩ
Type 2
Yes
Yes
Yes
Resistive
Positive
0,36 W
No
Yes: reverse diode in parallel (ext. fuse 1 A
(quick blow))
Key:
IS Power supply to sensors.
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General characteristics of the outputs
This table presents the characteristics of the outputs of module TBX DMS 16P22:
Module TBX DMS 16P22
Nominal voltage
Nominal current
OS supply voltage limits
Permitted filament lamp power
Leakage current at OFF state
Residual voltage at ON state
Switching time at ON or OFF state
Load impedance at ON state
Primary/secondary dielectric behavior
Outputs protected against overloads
Outputs protected against overvoltages
Protection against a reverse polarity on OS
Detection of break in load
Conforms to IEC 1131
Compatible with DC inputs
Type of logic
Power dissipated per channel at ON state
Protection of +C terminals against overload or short-circuit
Protection against a reverse polarity on IS
24 V DC
0,5 A
19,2 V DC to 30 V DC
8 W
< 0,5 mA
< 0,4 V
≤ 1 ms
> 50 Ω
1500 V rms. 50 Hz
Yes: thermal
Yes: Zener diode
Yes: reverse-mounted diode (external 8 A fuse)
No
Yes
Yes
Positive
0,35 W
No
Yes: reverse diode in parallel (ext. fuse 2 A
(quick blow))
Key:
OS Power supply to preactuators.
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Connecting the module TBX DMS 16P22
Circuit diagram
The following illustration shows the circuit diagram for a resistive input.
1 Guaranteed threshold for monitored voltage OK: > 18 V, guaranteed threshold for monitored voltage faulty: < 14 V.
The following illustration shows the circuit diagram for a programmable input/output.
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1 Guaranteed threshold for monitored voltage OK: > 18 V, guaranteed threshold for monitored voltage faulty: < 14 V.
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Terminal block wiring
The following diagram illustrates the wiring of the terminal.
TBX DMS 16P22
NOTE: a quick blow 8 A fuse must be wired to the sensor/preactuator power supply.
The two +S terminals
( see page 133 )
as well as the two -S terminals. The -SV terminal and a -S
(0 V) terminal must also be connected together.
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