Manual No. 0158A
28/68
IWB
−
IWX Series (Overseas Use) Service Manual
Item 13. C9 Mode -- PCB inspection (A/D check, I/F check)
y
This mode is used for factory inspection.
y
Not used for maintenance service.
Operation
Display
1. Test Mode start-up
y
Press the [Display ON/OFF] key ON.
y
Keep pressing the [ZERO(+)] key while the all segments
are lighting.
2.
Press the [ZERO(+)] key ON for eight times, or the
[TARE(
−
)] key ON for once.
3.
Press the [SET] key ON.
Raw A/D data after span adjustment.
4.
Press the [SET] key ON.
A/D converter output value.
The lower 3 bits of the 24-bit output is not displayed for it
fluctuates too frequently to be read.
5.
Press the [ZERO(+)] key ON.
Used for drift check of the A/D circuit board.
Displays the check results. OK or Err.
6.
Press the [TARE(
−
)] key ON.
Connects to check all the check tools of the input/output
ports.
Displays the check results. OK or Err.
7.
Press the [COLUMN] key ON to return to the Test Mode.
