2. SPECIFICATIONS
IIMS01J02-E2
18
COM.PORT3
Interface:
Based on RS-232C, EIA standard
Based on RS-422A, EIA standard
Based on RS-485, EIA standard
Specify when ordering
Connection method:
RS-232C:
Point-to-point
connection
RS-422A: 4-wire system, multi-drop connection
RS-485: 2-wire system, multi-drop connection
Protocol:
•
Based on ANSI X3.28 subcategory 2.5 B1 (RKC communication)
Error control: Vertical parity (when parity bit is selected)
Horizontal
parity
Data types:
ASCII 7-bit code
•
Modbus protocol
Signal transmission mode: Remote Terminal Unit (RTU) mode
Function codes:
03H Read holding registers
06H Preset single register
08H Diagnostics (loopback test)
10H Preset multiple registers
Error check method:
CRC-16
Error codes:
1: Function code error (An unsupported
function code was specified)
2:
−
When written to read only data
−
When any address other than 0000H
to 02EEH is specified (However,
07D0H to 0BB7H are excluded)
3:
−
When the data written exceeds the
setting range
−
When the specified number of data
items in the query message exceeds
the maximum number of data items
available
Protocol can be selected with switch
Synchronous method:
Start/stop synchronous type
Communication speed:
9600 bps, 19200 bps, 38400 bps
Communication speed can be selected with switch
Data bit configuration:
Start
bit:
1
Data bit: 7 or 8
Parity bit: Without, Odd or Even
Without for 8 data bits
Stop bit: 1 or 2
Data bit configuration can be selected with switch
Connected equipment:
Host computer, touch panel or operation panel