CAS BW-SERIES - Diagnostic Test Modes

- 5 -
Serial Interface (RS-232C)
■ Connecting with PC
RXD 1ㅇ
---------------------------
ㅇ 2 Transmit Data
TXD 2ㅇ
---------------------------
ㅇ 3 Receive Data
GND 5ㅇ
---------------------------
ㅇ 7 Signal Ground
┌─
ㅇ 4 Request to Send
├─
ㅇ 5 Clear to Send
├─
ㅇ 6 Data Set Ready
├─
ㅇ 8 Carrier Detect
└─
ㅇ 20 Data Terminal Ready
9 pin port (Male) 25 pin port of PC (Female)
RS-232C port of BW-SERIES
RXD 1ㅇ
---------------------------
ㅇ 3 Transmit Data
TXD 2ㅇ
---------------------------
ㅇ 2 Receive Data
GND 5ㅇ
---------------------------
ㅇ 5 Signal Ground
┌─
ㅇ 1 Carrier Detect
├─
ㅇ 4 Data Terminal Ready
├─
ㅇ 6 Data Set Ready
├─
ㅇ 7 Request to Send
└─
ㅇ 8 Clear to Send
9 pin port (Male) 25 pin port of PC (Female)
RS-232C port of BW-SERIES
■
Connecting with Sub-display (CD-SERIES)
RXD 1ㅇ
---------------------------
ㅇ 2 Transmit Data
TXD 2ㅇ
---------------------------
ㅇ 3 Receive Data
GND 5ㅇ
---------------------------
ㅇ 7 Signal Ground
9 pin port (Male) 9 pin port of Sub-display
(Male)
RS-232C port of BW-SERIES
TEST MODE
Moving method
Open the top cover of indicator and power on with pressing CAL switch in the left
top. At that time, LCD screen shows “ZEro=tESt tArE=CAL” message and pressing
‘Zero’ key moves to Test 1.
Test menu (tESt 1 ~ tESt 4)
TEST 1: Liquid crystal display test
TEST 2: A/D conversion test
TEST 3: Key test
TEST 4: RS-232C communication test