1. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
ISaGRAF Embedded Controller I-8417 / I-8817 User’s Manual Chapter 0 : Basic Concept
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

2. What is Open Solution for I-8000 ?
IEC standard programming languages
Powerful Development Tools: ISaGRAF Workbench
Open Modbus communication protocol on TCP/IP 、 RS232/RS485
Distributed Control System
Easy Integration with HMI and SCADA softwares
Integrated with I-7000 series modules
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

3. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Which Model ?
I-8417 : ISaGRAF Embedded Controller, 4 slot I/O, RS232, 1 RS485, 1 RS232/RS485
I-8817 : ISaGRAF Embedded Controller, 8 slot I/O, RS232, 1 RS485, 1 RS232/RS485
I-8437 : ISaGRAF Embedded Controller, 4 slot I/O, 2 RS232, 10M Ethernet, 1 RS232/RS485
I-8837 : ISaGRAF Embedded Controller, 8 slot I/O, 2 RS232, 10M Ethernet, 1 RS232/RS485
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

4. What resources are necessary to build a ISaGRAF application ?
I-workbench : ISaGRAF workbench , At least 1 pieces to install on 1 PC to develop your applications.
I-8xx7 : the controllers should be I-8417、I-8817、I-8437 or I-8837
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

5. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Application Areas
Somewhere you need PLCs
Machine control
Process control
Factory automation
Building automation
Traffic control system
Water management system
Power system
DAS system
Engineering system
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

6. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
ISaGRAF programming
5 IEC languages
Flow Chart language
C Rountine integration : need C compiler
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

7. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
What is ISaGRAF?
SFC
FBD LD ST IL
Debug
Simulate
Graphic
Follow IEC standard OPEN PLC languages
Support six languages
Enviroment :
Windows 95, 98, Windows 2000,
Windows NT
ISaGRAF
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

8. ISaGRAF : Link to Controllers
Download / Debug
Control
RS232 , RS485
Ethernet
I-8417 , I-8817
I-8437 , I-8837
ISaGRAF Workbench
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

9. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
IEC : SFC
Sequential Function Chart
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

10. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
IEC : FBD & LD
Function Block Diagram
Ladder Diagram
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

11. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
IEC : ST & IL
Structural Text
Instruction List
if (level <= level_max)
then
out_valve := false;
memory_vlv := (vlv23+dbh18)/2;
else
alarm_level := true;
end_if;
start_cmd: LD bi101
ADD 10
mul_ope: MUL( interm_bcmd
SUB bo100 )
ST bcmd
GT top_level
JMPNC mul_ope
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

12. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Hardware Structure
Power indicator Led
3 programable Leds
five 7-segment LEDs
4programable
push-button
Power indicator of I/O module
Digital I/O status Leds
I/O screw panel
Power input
Rs232/RS485 or fieldbus port
Slave No. Dip swith
Rs232 programming port (support Modbus)
Rs485 programming port (support Modbus)
Modbus TCP/IP and ethernet fieldbus port for I-8437 and I-8837
RS232 port
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

13. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
S-MMI
5 7-segment LEDs
4 programmable push-buttons
3 programmable LEDs
All designed by ISaGRAF
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

14. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Real Time Clock
Year、 Month、Date、Weekdate
Hour、Minute、Sec
R/W by using ISaGRAF Function Blocks
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

15. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Mounting
DIN-Rail Mounting
Wall/Panel Mounting
I/O screw panel
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

16. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Modulized I/O
4 or 8 I/O slots
D/I 、 D/O 、 Relay 、 A/D、D/A、 Thermo-card
Counter、Frequency
freely plug-in
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

17. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Net ID
RS485 network ID. 1 ~ 255
one RS485 network can link up to 255 I-8xx7
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

18. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Stability
Operation temp : -20 ~ +75 ºC
Storiage temp: -30 ~ +85 ºC
Humidity : 5 ~ 95% non-condensed
Watchdog
Protection circuit
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

19. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Communication
COM3 : RS485 fieldbus
simple RS232/RS485
link with I-7000
COM4 : link with I-7000
simple Rs232
COM2 : programing
RS485 network
modbus protocol
COM1: programing
Ethernet : programing
networking
modbus TCP/IP protocol
ethernet fieldbus
COM1 : RS232
COM2 : RS485
COM3 : RS232/RS485
COM4 : RS232
Ethernet : for I-8437 and I-8837
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

20. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
RS485 networking
COM2 : RS485
I-7520 RS232/485 Conveter
Use COM2
1 pc to max 255 I-8xx7 on a RS485 network for programing , controlling or collecting datas
Modbus protocol: easy integrated with HMI or SCADA software
Max distance to 1200 m (with baud rate <= 19200)
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

21. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Link to HMI
Use COM1 or COM2
ISaGRAF Workbench can be a simple HMI (Human Machine Interface )
Touch screens support Modbus protocol
PC + SCADA software
COM1 or COM2
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

22. Fieldbus Data Exchange
Use COM3
Each I-8xx7 can freely access to other I-8xx7
max distance to 1200 m
No limitation of how many I-8xx7
Using ISaGRAF function blocks
COM3 : RS485
COM3 : RS485
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

23. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Link with I-7000
One of COM3 or COM4 can link to I-7000
Max to 64 I-7000 modules
COM4 should be linked with a I-7520 convetor
Using ISaGRAF function blocks
COM3 or COM4
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

24. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Modbus protocol
COM1、COM2 support Modbus slave protocol. They can be link to PC 、HMI or SCADA software.
One of COM3 or COM4 can be programed as a modbus master port and link to other PLCs or devices that support modbus protocol.
Using ISaGRAF function blocks
Other PLCs support Modbus
Other devices support Modbus
COM3/COM4
COM1/COM2
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

25. Modbus TCP/IP on Ethernet Port
10M bps RJ45 ethernrt port for I-8437 and I-8837
Support Modbus TCP/IP protocol.
Each I-8437/I-8837 has a IP address and uses socket port No. 502 to adapt Modbus TCP/IP protocol
Max 4 PCs can link to one I-8437/I-8837 at the same time
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

26. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Ethernet Networking
1 to 4 PCs can link to many I-8437/I-8837 s
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

27. I-8xx7 Controllers : ISaGRAF Programming
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

28. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
ISaGRAF Application
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

29. ISaGRAF : Modulized Structure
An apication could be constructed by a single or some programs.
Mixed languages is allowed : Choose your preferd languages.
Easy viewed and debugging.
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

30. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
ISaGRAF Cycle
Scan all inputs
Process ‘begin’ area
Process ‘Sequential’ area
Process ‘End’ area
Reflash all outputs
ISaGRAF
Controller
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

31. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
ISaGRAF : Debugging
All variables and program’s run time status are seen on screen
Trace variables
Interrupt setting
Spotlight
Simulation on PCs
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

32. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Variable
Type : Boolean, Analog, Timer, Message
Attribute : Internal, Input/Output, Constant
If link to HMI, variables should be set a network address within 0001 ~ 3FFF (hexadecimal)
Can be “Local” to a program or “Global”.
Attributed with Input/Output are all Global.
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

33. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Variable Declaration
Name
- Max to 16 Characters
- The first char shoule be a letter A~ Z , others could be digits 0~9, letters A ~ Z or underscore char “_”
- Case insensitive, for ex. name “OUT” is the same as “Out”
- Can not use reversed word. For ex. “IF” , “AND”
Network address
- Can be 0001 to 3FFF (hexadecimal)
- For accessed by other devices or HMI
- If not defined, default is 0000, not accesible by HMI.
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

34. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Boolean Variable
Value :
- TRUE or FALSE
TRUE / FALSE could be replaced to other string on debug mode
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

35. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Analog Variable
Value :
- Signed 32 bit integer : 123, -12, 16#4FCF, 8#1756, 2#010
- 16# means value represented in hexadecimal, 8# : Octal
2# : Binary
- 32 bit real : 123.0, , 1.765E+03
Format :
- Integer or Real
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

36. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Timer Variable
Value :
- Unit is ms, that is sec
- t#1h450ms, T#0s
- Max to t#23h59m59s999ms
- Must be positive
- T#10.5s is wrong. ==> T#10s500ms is correct
- Case insentive. For ex. T#10m25S is same as t#10M25s
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

37. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Message Variable
Value :
- ‘’ , ‘Hello’ , ’$41’
- ‘$41’ means ‘A’ , ‘$0D’ means CR from ASCII table.
- All char can be used except ‘$00’
Length :
- Declare max number of characters can be used
- max length is 255
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

38. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Ladder Diagram
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

39. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
LD rungs and rails i1 i2 o1
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

40. Parallel link on the left
 boolean OR operation
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

41. Parallel link on the right
 Parallel Output
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

42. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Direct Contact
boo1
 The state on the right is the logical AND
between the state of the left and the value
of the variable associated with the contact
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

43. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Inverted Contact
boo1
 The state on the right is the logical AND
between the state of the left and the
boolean negation of the value of the variable
associated with the contact
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

44. Contact with rising edge detection
boo1 P
 It will generate a pluse TRUE on the right
when the state of the left is TRUE and the
variable associated with the contact rises
from FALSE to TRUE.
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

45. Contact with falling edge detection
boo1 N
 It will generate a pluse TRUE on the right
when the state of the left is TRUE and the
variable associated with the contact falls
from TRUE to FALSE.
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

46. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Direct Coil
boo1
 The value of the variable associated with
the coil is equal to the state on the left.
 Variable type should be Output or Internal
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

47. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Inverted Coil
boo1
 The value of the variable associated with
the coil is equal to the boolean negation of
the state on the left.
 Variable type should be Output or Internal
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

48. Coil with rising edge detection
boo1 P
 The variable will generate a pluse TRUE when
the state of the left rises from FALSE to TRUE.
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

49. Coil with falling edge detection
boo1 N
 The variable will generate a pluse TRUE when
the state of the left falls from TRUE to FALSE.
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

50. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
SET Coil
boo1 S
 The variable Set to TRUE if the state of
the left is TRUE.
 It will keep the value until it is Reset
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

51. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
RESET Coil
boo1 R
 The variable Reset to FALSE if the state of
the left is TRUE.
 It will keep the value until it is Set
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

52. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Jump , Label , Return
Control the flow of LD program
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

53. ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual
Blocks in LD
Block can be linked with contact and coil
Increase the function of LD program.
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual

54. Please refer to “ISaGRAF USER’s GUIDE” for more information
ISaGRAF Embedded Controller : I-84x7 / I-88x7 : User’s Manual