Instruction manual

8. SPECIFICATIONS
IMSRM15-E6
130
Communication functions
Communication interface: Based on RS-422A, EIA standard
Based on RS-232C, EIA standard
Specify when ordering
Connection method: RS-422A: 4-wire system, half-duplex multi-drop connection
RS-232C: Point-to-point connection
Protocol:
Based on ANSI X3.28-1976 subcategory 2.5 B1
Error control: Vertical parity (when parity bit is selected)
Horizontal parity
Data types: ASCII 7-bit code
Data bit configuration: Start bit: 1
Data bit: 7 or 8
Parity bit: Without, Odd, Even
Without for 8 data bits
Stop bit: 1
Non-protocol type (Ladder communication: Z-190 specification)
Data type: Text: BCD code
Control code:
STX (02H), CR (0DH), LF (0AH)
The code in ( ) expressed hexadecimal numeral
Block length: 128 bytes or less
Data bit configuration: Start bit: 1
Data bit: 8
Parity bit: Without
Stop bit: 1
Modbus (Z-1021 specification)
Signai transmission mode:
Remote Terminal Unit (RTU) mode
Function code: 03H Read holding registers
06H Preset single register
08H Diagnostics (loopback test)
10H Preset multiple registers
Error check method: CRC-16
Data bit configuration: Start bit: 1
Data bit: 8
Parity bit: Without, Odd, Even
Stop bit: 1
MEMOBUS (Z-1001 specification)
Signal transmission mode:
Remote Terminal Unit (RTU) mode
Function code: 03H Read holding registers
08H Diagnostics (loopback test)
10H Preset multiple registers
Error check method: CRC-16
Data bit configuration: Start bit: 1
Data bit: 8
Parity bit: Without, Odd, Even
Stop bit: 1
Synchronous method: Start/stop synchronous type
Communication speed: 2400 bps, 4800 bps, 9600 bps, 19200 bps
Selectable