2. SPECIFICATIONS
IMS01J02-E4
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, half-duplex multi-drop connection
RS-485:
2-wire system, half-duplex multi-drop connection
Protocol:
Based on ANSI X3.28-1976 subcategories 2.5 and 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
