Specifications

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2900 Spafford Street Davis CA 95616 USA Tel: +916.757.3737 Fax: +916.753.5141 www.zworld.com Revision: A

Introduction

The PK2100 Series of C-programmable controllers is based on

the Zilog Z180 microprocessor. The PK2100 includes analog,

digital, serial, and high-current switching interfaces. The stan-

dard PK2100 includes a rugged enclosure with 2x20 LCD and

2x6 tactile keypad.

With the PK2100 Series you can detect contact closures, count

pulses, measure temperature, speed and pressure, control motor

speed, control proportional valves, switch fairly large currents,

and drive solenoids and external relays directly.

The PK2100 has a PLCBus

expansion port, allowing you to

connect several Z-World expansion boards (such as the XP8100

or XP8300) if you need extra I/O. You can build networks of

controllers and communicate with modems. With Dynamic C

software and the PK2100’s LCD and keypad, you can easily

build operator interfaces.

The following PK2100 Series controllers are available:

PK2100 With enclosure, 2x20 LCD, and 2x6 keypad.

Operates at 24V nominal.

PK2110 With enclosure, 2x20 LCD, and 2x6 keypad.

Operates at 12V nominal.

PK2120 No enclosure, LCD, or keypad.

Operates at 24V nominal.

PK2130 No enclosure, LCD, or keypad.

Operates at 12V nominal.

The following PK2100 Series options are available:

• 9.216 MHz clock upgrade. (6.144 MHz standard)

• 128K flash (32K EPROM standard)

• 128K or 512K RAM (32K standard)

• Backlit LCD (with PK2100 or PK2110)

Specifications

Board Size 5.5″ × 6.82″ × 0.78″.

Enclosure Size

5.5″ × 7.0″ × 1.6″.

Operating Temp. –

40°C to +70°C. With LCD, 0°C to 50°C.

Humidity

5% to 95% non-condensing.

Input Power

18–35VDC, 220 mA, linear supply [24V]

Processor

Z180

Clock 6.144 MHz [9.216 MHz optional]

Power Consumption

5.5W

Features

• Battery-backed static RAM, up to 512K bytes.

• EPROM, up to 512K bytes, or flash memory to 256K bytes.

• Battery-backed real-time clock (RTC).

• Lithium backup battery, rated at 560 mA-hours. Since the

RTC and full 512K RAM draw about 16 µA, the battery will

sustain the RTC and RAM for about 4 years [35,000 hours].

• Watchdog timer.

• Power failure warning interrupt.

• EEPROM, standard 512 bytes. Holds calibration constants for

the (2) DAC channels, among other data.

• LCD. The standard screen has 2 lines of 20 characters. Other

displays can be installed on special order.

• Keypad, 2 rows of 6 keys, for a total of 12 keys. The internal

interface provides for possible expansion to 24 keys using a

4 row x 6 column matrix.

• Beeper with high- and low-volume.

PK2100 or PK2110, with enclosure, LCD, and keypad

PK2120 or PK2130, board-only

C-Programmable Controller

PK2100 Series

Summary of content (13 pages)

PAGE 1
C-Programmable Controller PK2100 Series Introduction The PK 2100 Series of C-programmable controllers is based on the Zilog Z180 microprocessor. The PK2100 includes analog, digital, serial, and high-current switching interfaces. The standard PK2100 includes a rugged enclosure with 2x20 LCD and 2x6 tactile keypad.
PAGE 2
PK2100 Series Z-World 530-757-3737 2 References Please refer to • Z-World PK2100 schematic • Z-World PLCBus data sheet • Z-World Dynamic C data sheet • Zilog Z180 MPU User’s Manual • Zilog Z180 Serial Communication Controllers • Zilog Z80 Microprocessor Family User’s Manual Serial I/O ............................................... 6 LCD ....................................................... 7 Keypad ................................................... 7 Beeper ..........................................
PAGE 3
PK2100 Series Z-World 530-757-3737 3 The Interface The signal names of the screw connectors are shown below. A PK2100 Series controller has the following as its interface: 1 Six universal inputs. Universal inputs can be used as (A) digital inputs. With a single threshold (in software or hardware) the input channel yields a digital 1 when the input voltage is above threshold and 0 otherwise. (B) digital inputs with two thresholds.
PAGE 4
PK2100 Series Z-World 530-757-3737 Using the PK2100 Universal Inputs Figure 3 below shows the six universal inputs and the high-gain input. A seventh universal input is available if you do not use the high-gain channel. (Note that the high-gain input is channel 6 and that the “spare” universal input is channel 7.) Each input channel has a comparator that yields a 1 when the input level is greater than a threshold, and 0 otherwise.
PAGE 5
PK2100 Series Z-World 530-757-3737 positive and negative inputs will be exactly 1 and will not depend on a balance between resistors, making the output 5 volts when both differential inputs are 5 volts. If the gain is increased, it becomes necessary to use an operational amplifier with a more stable offset voltage than the LM324, which has considerable drift over temperature. The Linear Technology LM1014 is suitable for gains up to 100 or more.
PAGE 6
PK2100 Series Z-World 530-757-3737 6 High-Current Switching Outputs Battery-Backed Real-Time Clock There are 10 high-current outputs O1–O10 available at external terminals. Seven of the outputs belong to one high-current driver (U26) and three belong to another (U35). The real-time clock stores a representation of time and date, and runs independently. The RTC can be programmed to interrupt the processor periodically through the INT2 interrupt line.
PAGE 7
PK2100 Series Z-World 530-757-3737 0x85 0 KEYR3 0x86 0 KEYR1 0x87 0 KEYR4 The 2×20 LCD used with the PK2100 can come from one of several vendors. All the LCDs are identical in operation, electrical connections, and dimension. They may differ in timing. 0x88 0–7 UEXP 0x90 0–7 DAC An LCD can take up to 1600 µs to carry out an operation. Therefore it provides a busy flag, which you may read at address LCDRD (0xD0). It is an error to send other commands or data to an LCD while it is busy.
PAGE 8
PK2100 Series Z-World 530-757-3737 Interrupt Vectors 0x10E Most of the interrupt vectors can be altered under program control. These are the suggested and default vectors: 0x110 Addr Name 0x00 0x02 INT1_VEC Expansion bus attention INT1 vector. INT2_VEC INT2 vector, can be jumpered to output of 0x04 0x06 0x08 0x0A 0x0C 0x0E 0x10 PRT0_VEC PRT1_VEC DMA0_VEC DMA1_VEC CSIO_VEC SER0_VEC SER1_VEC Description the real-time clock for periodic interrupt.
PAGE 9
PK2100 Series Heat Sinking A PK2100 Series controller has two power supply regulators. The aluminum enclosure provides the heat sink. In the boardonly version, the mounting rails provide the heat sink. The +5V regulator dissipates the most heat and transfers heat to the case or side rails via two mounting “pem” nuts. Maximum heat dissipation by this regulator is 10W when the ambient temperature is 50°C.
PAGE 10
PK2100 Series onds. The programmer reads and writes to virtual registers as variables, and does not contend with the hardware details. Initial PK 2100 Setup When the PK2100 powers up, it consults its board jumpers, the keypad if any, and the contents of the EEPROM to determine its mode of operation. The modes of operation are the following: • Run a program stored in battery-backed RAM. • Prepare for Dynamic C programming at 19.2K baud using the RS232 port (“phone” jack).
PAGE 11
PK2100 Series U23 Z-World 530-757-3737 Connect jumper to cause differential inputs AD+ and AD– to be balanced in gain. If H7 is disconnected, the gain is greater on the AD+ side so that if both inputs are set to 5 volts, the output of the operational amplifier is 5 volts. Use this feature for accepting input from bridges where the taps are nominally at +5V. 1-2 Connect to enable a second RS232 output (at the expense of RS485 output) The output pin will be TX–. The RS232 input will be RX–.
PAGE 12
PK2100 Series J7 J8 J3 J9 Z-World 530-757-3737 Connect 2-3 for voltage output on the DAC channel (factory setting). Connect 1-2 for 20 mA current output. 1- 2 Enable switching power supply 3- 4 Connects timer output T0 to processor /INT2. Can generate periodic interrupts. 5- 6 Connects universal input 1 to processor /INT0. Not recommended. 7- 8 Connect processor I/O CKA1 to digital input 6. 9-10 Connect processor I/O CKA1 to digital input 7. 11-12 Processor-readable jumper.
PAGE 13
PK2100 Series Z-World 530-757-3737 13 Figures 5–8 below show the inportant headers. Enclosure Dimensions Figure 9 below shows the size of the aluminum enclosure and the location of the PLCBus port and phone jack. D6X D4X D2X D0X /WRX VLC GND 1 2 3 4 5 7 6 8 9 11 10 12 13 14 D7X D5X D3X D1X LCDX A0X VCC RTS0 GND /TXD0 /RXD0 CTS0 1 2 3 4 5 4 5 6 6 7 8 Figure 6. JP1, Phone Jack Figure 5.