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4.3.3 Connecting RS232 to Printer (DB25)
RS232 COMPORT (DB9) ON
INSTRUMENT
COMPUTER COM DB25
2 = RXD
3 = TXD
3 = TXD
2 = RXD
5 = GND
7 = GND
4.3.4 Connecting the Optional External Relay Output Module
If the optional relay output module is purchased, simply plug in the DB-25
connector of the relay output module to the TTL & relay output port by using
the accessory enclosed.
4.3.5 Connecting to TTL Relay Devices by Others
Follow the below
TTL RELAY OUTPUT PORT PIN ASSIGNMENT TABLE
for
connection.
This instrument provides low-active TTL relay signals. Do not connect the TTL
relay output port to any other non-TTL relay devices; they may cause
unrecoverable damages to this instrument.
TTL RELAY OUTPUT PORT PIN ASSIGNMENT TABLE (LOW-ACTIVE)
RELAY OUTPUT PIN #
ASSIGNMENT
1
BUZZER
3
LO
5
OK
7
HI
8
DC+5v Output
14
Ground
4.3.6 Connecting the Optional Wireless Data Communication Module
If the optional WM-SP wireless data communication module is purchased,
simply plug it into the TTL COMPORT.
Summary of Contents for AFM18
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