Place of Origin: | UK |
Brand Name: | MTL |
Model Number: | MTL7741 |
Minimum Order Quantity: | 5 pcs |
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Price: | according to the purchase quantity |
Packaging Details: | carton |
Delivery Time: | in stock |
Payment Terms: | T/T payment |
Supply Ability: | 100pcs |
Analogue Input - 2-wire transmitters, 4-20mA conventional and 'smart' |
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Power Supply | Barrier |
Loops
|
Voltage for Tx
and lines |
Main features |
Regulated | MTL7787+ |
1 |
12.4V
|
Compatible with most smart Tx's |
MTL7787P+ | 1 | 13.1V | Higher power, IIC gases | |
MTL7788R+ | 1 | 13.7V | 1-5V safe area ouput | |
Unregulated 20 to 35V |
MTL7706+ |
1
|
15.5V
(250ohm load) |
High accuracy; compatible with most smart transmitters; full output voltage available independently of supply voltage |
MTL7707P+ | 1 | 13.0V | Higher power, IIB gases | |
|
Analogue Input - vibration probes |
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Power Supply | Barrier |
Loops
|
Main features |
Regulated | MTL7796– | 1 | For –24V systems |
|
Analogue Input - gas detectors |
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Power Supply | Barrier |
Loops
|
Main features |
Nominal 6V supplies | MTL7758+ | 1 |
For high current/low voltage MTL7758+ Vwkg = 6.0V |
|
Analogue Input - thermocouple & mV sources |
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Power Supply | Barrier |
Loops
|
Max end to enc resistance per loop |
Main features |
Earth-free signal, receiver input floating |
MTL7760ac | 1 | 150 ohm | – |
Moving coil or low resistance receivers | MTL7755ac | 1 | 38 ohm | – |
|
Analogue Input - ac sensors, photocells, microphones & flowmeters |
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Power Supply | Barrier |
Loops
|
Max end to enc resistance per loop |
Main features |
Earth-free signals up to a few kHz |
MTL7760ac | 1 | 150 ohm | – |
|
Analogue Input - slidewire displacement transducers |
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Power Supply | Barrier |
Loops
|
Vwkg | Main features |
For nominal 6V supplies |
MTL7760ac | 1 | 6.0V | – |
|
Analogue Input - 2, 3 and 4-wire RTDs |
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Power Supply | Barrier |
Loops
|
Main features |
2-wire | MTL7755ac |
1 |
2 channels track to 0.15 ohm |
3-wire | MTL7755ac | 2/3 | End-to-end resistance 19 ohm/channel |
MTL7756ac | 1 | End-to-end resistance 19 ohm/channel | |
4-wire | MTL7755ac |
1/2
|
Needs 2 barriers |
MTL7760ac | 1/2 | Vwkg = 6V; needs 2 barriers | |
MTL7761ac | 1/2 | Vwkg = 6V; needs 2 barriers | |
|
Analogue Input - strain-gauge bridges (single) |
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Power Supply | Barrier |
Loops
|
Volts for 350 ohm bridge |
IIC gases |
MTL7761ac (2) + MTL7764ac (1) |
1 | 9.75V from MTL7766Pac with 20V supply |
|
Analogue Input - strain-gauge bridges (multiple) |
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Power Supply | Barrier |
Loops
|
Volts for 350 ohm bridge (20V in) Number of bridges 1.............2..........3............4 |
IIC gases |
MTL7761ac (2) + MTL7766ac (1) |
1 | 13.0........9.2.......7.7.........6,2 |
|
Analogue Output - controller outputs (I/P converters) |
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Power Supply | Barrier |
Loops
|
Volt drop at 20mA |
Main features |
Output goes to 0V (earth return); regulated supplies | MTL7728+ |
1 |
6.8V | – |
MTL7728P+ | 1 | 5.1V | Higher power, IIC gases | |
MTL7729P+ | 1 | 3.7V | Higher power, IIB gases | |
Transistor between controller output and 0V; (diode return); regulated supplies | MTL7787+ | 1 | 8.1V | – |
MTL7787P+ | 1 | 6.4V | Higher power, IIC gases | |
Transistor between controller output and 0V; (diode return); unregulated supplies (20 to 35V) | MTL7707+ |
1
|
8.6V | – |
MTL7707P | 1 | 6.0V | Higher power, IIC gases | |
|
Digital Input - switches |
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Power Supply | Barrier |
Loops
|
Main features |
Regulated | MTL7787+ | 1 | Diode return |
MTL7787P+ | 1 | ||
MTL7789+ | 2 | ||
|
Digital Input - switches / proximity detectors |
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Power Supply | Barrier |
Loops
|
Main features |
Unregulated 22-35V | MTL7741 | 1 | Changeover relay output |
MTL7742 | 1 | Transistor output, fast switching | |
MTL7743 | 2 | 2 x relay contacts | |
MTL7744 | 2 | 2 x transistor output | |
MTL7745 | 1 | Single channel relay + LFD | |
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Digital Output - alarms, LEDs, solenoid valves, etc |
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Power Supply | Barrier |
Loops
|
Usable power per loop | Main features |
Switch in power leg, (earth return); regulated supplies | MTL7728+ |
1 |
0.48W | – |
MTL7728P+ | 1 | 0.59W |
Higher power, IIC gases Voltage drop = 5.1V at 20mA |
|
MTL7729P+ | 1 | 0.82W | Higher power, IIB gases | |
Control switch on earth (diode return); regulated supplies | MTL7787+ | 1 | 0.42W | – |
MTL7787P+ | 1 | 0.51W | Higher power, IIC gases | |
Transistor between controller output and 0V; (diode return); unregulated supplies (20 to 35V) | MTL7707+ |
1
|
0.29W | Up to 35mA available |
MTL7707P+ | 1 | 0.68W | Optimised for IIB gases | |
|
Digital Input/Output - –ve and floating supplies |
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Power Supply | Barrier |
Loops
|
Volts for 350 ohm bridge |
Regulated negative/floating power supply |
MTL7728– | 1 | – |
|
2-wire DC/AC systems - signal returns |
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System or Function | Barrier |
Loops
|
Vwkg | Main features |
6V dc systems | MTL7710+ |
1 |
6.0V | – |
8V dc system | MTL7710P+ | 1 | 8.0V |
End ot end resistance 42 ohm. 5V at 65mA from 8V supply. IIC gases |
Low-level logic returns | MTL7764+ | 2 | 10.0V | End-to-end resistance 1050 ohms |
12V dc systems | MTL7715+ | 1 | 12.0V | – |
MTL7715P+ | 1 | 12.6V | – | |
18V dc systems | MTL7722+ | 1 | 19.6V | – |
2-wire dc/ac systems | MTL7778ac | 1 | 24.0V | – |
Signal returns | MTL7789+ |
2
|
26.6V | 2 diode return channels + power |
Securing cables to earth for future use; terminating cable screens | MTL7799 | – | – | Bussed power feed - not certified |
Contact Person: Ms. Steven
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