Microlink 3000 Hardware User Manual
Contents
1. O Relay 3 N C Relay 3 N O Relay 4 N C Relay 4 N O Relay 5 N C Relay 5 N O Relay 6 N C Relay 6 N O Relay 7 N C Relay 7 N O Relay 8 N C Relay 8 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 N O Normally Open N C Normally Closed Please read the Connection Notes before making your connections unused unused unused Pole Relay 1 unused Pole Relay 2 unused Pole Relay 3 unused Pole Relay 4 unused Pole Relay 5 unused Pole Relay 6 unused Pole Relay 7 unused Pole Relay 8 unused 3 7 Microlink 3000 Hardware User Manual 3 4 3013 3013D 16 Isolated Inputs The 3013 module provides 16 isolated digital input lines arranged in 2 ports of 8 3 4 1 Connection Notes Input Current Voltages between 5 and 50 Volts can be directly connected across the and inputs of an isolator Remember that the input is a LED with a series 4K7 resistor This means that with 50 V applied about 10 mA will flow from the signal source You can reduce this if you wish by adding series resistance to produce an optimum current of about 1 mA Higher Voltages Adding series resistance also allows larger voltages to be handled When doing this you should consider the power dissipation in the added resistor The 50 volt limit given above is dictated by the 0 5 Watts that this produces in the 4K7 input resistor Such resi2. switch to the Normally Open contact when instructed to do so by software Inductive Loads The relay contacts are rated at 10 A 230 V AC for a resistive load If the load is inductive for example a motor or a solenoid then the rating must be reduced because of the large transients that are produced when inductances are switched A 0 1 uF capacitor in series with a 100 Qresistor is fitted across each contact This reduces the size of the transient Power Up State On power up each relay will be connected to its Normally Closed contact The Pole of the relay will switch to the Normally Open contact when instructed to do so by software Wiring the 3011D To wire the 3011D remove both the basic 3011 and the display module Now unplug the display board from the 3011 and wire up the 3011 3 4 Digital Input and Output Lines Normally open Ooo OOO O0O Oooo Pole Normally closed Figure 3 1 3011 Module 3 5 Microlink 3000 Hardware User Manual 3 3 3012 3012D 8 Reed Relays The 3012 provides 8 independent change over reed relays There is only one port of 8 bits and the port can only be an output although the state of the relays can be read by the computer 3 3 1 Connection Notes Relay Type The relays are the change over type When no power is supplied to the Microlink the Pole of each relay will be connecte
3. 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 2 1 unused unused unused Port 1 Output 0 Port 1 Output 1 Port 1 Output 2 Port 1 Output 3 Port 1 Output 4 Port 1 Output 5 Port 1 Output 6 Port 1 Output 7 Port 0 Output 0 Port 0 Output 1 Port 0 Output 2 Port 0 Output 3 Port 0 Output 4 Port 0 Output 5 Port 0 Output 6 Port 0 Output 7 Please read the Connection Notes on the previous pages before making your connections 3 12 Digital Input and Output Lines 3 6 301x Specifications 3 6 1 3010 Specifications Maximum number of inputs Maximum number of outputs Power up state Voltage Inputs Compatibility Range Voltage Outputs Compatibility Drive Current switching 3 6 2 3011 Specifications Maximum number of inputs Maximum number of outputs Power up state Relay type Operating time Release time Contact rating 3 6 3 3012 Specifications Maximum number of inputs Maximum number of outputs Power up state Relay type Operating time Release time Contact rating 32 32 all inputs TTL and 5 V CMOS Oto5V TTL and 5 V CMOS 15 LSTTL loads 1A 0 4 normally closed change over 8 msec 2 5 msec 10 A at 30 V DC or 230 V AC 0 8 normally closed change over 1 msec 1 msec 250 mA at 200 V DC 3 W non reactive Microlink 3000 Hardware User Manual 3 6 4 3013 Specification
4. MICROLINK 301x Digital Inputs and Outputs User Manual Biodata Limited Manual Code M3000 3 2 Issue Date December 1998 Information in this document is subject to change without notice Updates are listed on our web site at http Awww microlink co uk techsupp html Biodata Limited 1990 2005 10 Stocks Street Manchester M8 8QG Tel 0161 834 6688 Fax 0161 833 2190 Email sales microlink co uk http www microlink co uk Digital Input and Output Lines Digital Input and Output Lines The 301x range provides digital input to the computer and output control by the computer It features logic level inputs and outputs and switching functions through relays and transistors The input and output lines of a 301x are arranged in groups or ports of up to 8 lines Each port can be either input or output All ports power up as inputs In the case of relay modules this means all relays off The range consists of 5 modules Each module has 2 versions one having the added advantage of light emitting diodes to show the state of the input or output lines Modules with the display lights have the suffix D on the module code for example 3010D The light is illuminated when the input or output state is high and corresponds to an input or output state of 1 The 3010 3012 3013 and 3014 modules have 37 way D type sockets If you prefer to make your connections to screw terminals you can do so with a 390x module The 309x modules
5. also provide a range of extra facilities if components such as resistors or filters are added See Chapter 11 for details The 3011 has screw terminal connections as standard 3 1 Microlink 3000 Hardware User Manual 3 1 3010 3010D 32 Digital I O Lines The 3010 provides 32 general purpose input and output lines arranged as 4 ports of 8 lines 3 1 1 Connection Notes Input Voltages All inputs are high impedance CMOS type They are TTL and 5 V CMOS compatible Input voltages should be within the range 0 to 5 V Higher voltages can be dealt with by the addition of resistor networks This can be conveniently done on a 3900 Screw Terminal module Input protection can be provided in a similar manner Contact Closures You can interface to contact closures using a resistor to tie the input to either 5 V or 0 V The contact then switches the line to either 0 or 5 V The resistor can be fitted to a 3900 module Noisy Inputs Input Filters can be fitted to a 3900 module if required Output Drive The outputs are TTL and 5 V CMOS compatible They can drive 15 LSTTL loads The output drive can be increased by using additional transistors These can be fitted to the 3900 module Currents of 1 amp can easily be switched Power Up State The module will power up as all inputs If you intend to use the module to produce control outputs then you might want to define logic states at power up This can be done by resistors which tie the l
6. crolink 3000 Hardware User Manual Table 3 3 3013 3013D 16 Isolated Inputs Pin Connections for 37 Way D Plug Wiring View 19 unused unused 37 18 unused unused 36 17 unused Port 1 Input 0 35 16 Port 1 Input 0 Port 1 Input 1 34 15 Port 1 Input 1 Port 1 Input 2 33 14 Port 1 Input 2 Port 1 Input 3 32 13 Port 1 Input 3 Port 1 Input 4 31 12 Port 1 Input 4 Port 1 Input 5 30 11 Port 1 Input 5 Port 1 Input 6 29 10 Port 1 Input 6 Port 1 Input 7 28 9 Port 1 Input 7 Port 0 Input 0 27 8 Port 0 Input 0 Port 0 Input 1 26 7 Port 0 Input 1 Port 0 Input 2 25 6 Port 0 Input 2 Port 0 Input 3 24 5 Port 0 Input 3 Port 0 Input 4 23 4 Port 0 Input 4 Port 0 Input 5 22 3 Port 0 Input 5 Port 0 Input 6 21 2 Port 0 Input 6 Port 0 Input 7 20 1 Port 0 Input 7 Please read the Connection Notes on the previous page before making your connections 3 10 Digital Input and Output Lines 3 5 3014 3014D 16 Isolated Outputs The 3014 provides 16 isolated digital output lines arranged in 2 ports of 8 3 5 1 Connection Notes Switch Capability Each output is a transistor capable of switching voltages up to 30 V and currents up to 1 5 mA Higher voltages will damage the device If the combination of load resistance and supply voltage demands more than 1 5 mA for a complete switching action then the output will not be able to supply it and an i
7. d to its Normally Closed contact This will continue to be the case after power up The Pole of the relay will only switch to the Normally Open contact when instructed to do so by software Inductive Loads The relay contacts can switch 200 V DC and 250 mA for a resistive load If the load is inductive for example a motor or a solenoid then the rating must be reduced because of the large transients that are pro duced when inductances are switched Transient suppression components can be fitted to the 3900 Screw Terminal mode if required Capacitive Loads A situation that often causes trouble is the switching of capacitive loads A high current rushes into the capacitance when it is switched often sufficient to weld the relay contacts If a relay stops working but recovers after being given a sharp tap then the contact has been welded People often don t realise when they have a capacitive load For instance an open circuit screened cable can present a consider able capacitance If you suspect that you have this problem then series resistors can be used to limit the peak current These can conveniently be fitted to the 3900 Screw Terminal module Power Up State Each relay will power up connected to its Normally Closed contact 3 6 Digital Input and Output Lines Table 3 2 3012 3012D 8 Reed Relays Pin Connections for 37 Way D Plug Wiring View unused unused N O Relay 1 N C Relay 1 N O Relay 2 N C Relay 2 N
8. ines to either 0 V or 5 V These can be mounted on a 3900 module 3 2 Digital Input and Output Lines Table 3 1 3010 3010D 32 Digital I O Lines Pin Connections for 37 Way D Plug Wiring View Port 3 Bit 0 Port 3 Bit 2 Port 3 Bit 4 Port 3 Bit 6 Port 2 Bit 0 Port 2 Bit 2 Port 2 Bit 4 Port 2 Bit 6 Aux Input 0 Aux Input 2 Port 1 Bit 0 Port 1 Bit 2 Port 1 Bit 4 Port 1 Bit 6 Port 0 Bit 0 Port 0 Bit 2 Port 0 Bit 4 Port 0 Bit 6 Please read the Connection Notes on the previous page before making your connections 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 2 1 OV Port 3 Bit 1 Port 3 Bit 3 Port 3 Bit 5 Port 3 Bit 7 Port 2 Bit 1 Port 2 Bit 3 Port 2 Bit 5 Port 2 Bit 7 Aux Input 1 Aux Input 3 Port 1 Bit 1 Port 1 Bit 3 Port 1 Bit 5 Port 1 Bit 7 Port 0 Bit 1 Port 0 Bit 3 Port 0 Bit 5 Port 0 Bit 7 3 3 Microlink 3000 Hardware User Manual 3 2 3011 3011D 4 Heavy Duty Relays The 3011 provides 4 independent change over power relays There is only one port of 4 bits and the port can only be an output The state of the relays can be read by the computer 3 2 1 Connection Notes Relay Type The relays are the change over type When no power is supplied to the Microlink the Pole of each relay will be connected to its Normally Closed contact The Pole of the relay will only
9. ncomplete switching action will result Increased Switch Capability An additional transistor circuit is required to switch more current or more voltage This can be conveniently mounted on the 3901 Screw Terminal module Logic Signal A frequent need is to convert the isolated output to a 5 V logic sig nal This can be done by connecting the output to the logic 0 V The output now becomes the signal line and should be tied to 5 V viaa 4K7 resistor Note that this produces a signal inversion ie switching the output on produces a low logic signal This arrangement is essential if you wish to drive true TTL inputs If however the input only takes a very small current as in CMOS units then the resistor can be placed be tween output and 0 V with the output connected to 5 V This arrangement avoids the inversion Reverse Voltage The outputs are not protected against the application of reverse voltages Microlink 3000 Hardware User Manual Table 3 4 3014 3014D 16 Isolated Outputs Pin Connections for 37 Way D Plug Wiring View unused unused Port 1 Output 0 Port 1 Output 1 Port 1 Output 2 Port 1 Output 3 Port 1 Output 4 Port 1 Output 5 Port 1 Output 6 Port 1 Output 7 Port 0 Output 0 Port 0 Output 1 Port 0 Output 2 Port 0 Output 3 Port 0 Output 4 Port 0 Output 5 Port 0 Output 6 Port 0 Output 7 37 36 35 34 33 32 31 30 29 28 27 26 25
10. s Maximum number of inputs 16 Maximum number of outputs 0 Range 0 to 50 V Isolation 240 VAC Reverse voltage protection 50 V 3 6 5 3014 Specifications Maximum number of inputs 0 Maximum number of outputs 16 Current switching 1 5mA Voltage switching 30 V Reverse voltage protection None
11. stors can be conveniently mounted on the 3900 Screw Terminal module Reverse Voltages The inputs are protected against reverse voltages up to 50 V This limit is imposed by power dissipation as above Input to Input Isolation Each of the 16 inputs is isolated not only from the main Microlink circuits but also from the other 15 inputs This means that the module can accept signals from several sources which have large standing voltages between them TTL Signals Logic signals produced by TTL circuits need special consideration This is because TTL outputs are poor current sources This means that if you connect the input of an isolator to the TTL signal and the input to the signal 0 V the TTL output will not be able to drive much current through the LED TTL outputs are however good current sinks The correct way is to connect the isolator input to 5 V and the isolator input to the TTL output This works well although it produces a logic 3 8 Digital Input and Output Lines inversion This means that a low at the TTL output switches the isolator on and produces a 1 at the module output These remarks apply only to actual TTL outputs Many outputs de scribed as TTL compatible are produced by 74HC or HCT circuits and are good current sources AC Signals AC signals can be handled by the addition of rectifiers and capaci tors These can be conveniently fitted to the 3900 Screw Terminal module 3 9 Mi
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