2 Instrument Overview
Communication Ports
Agilent 990 Micro GC User Manual 23
Communication Ports
The Agilent 990 Micro GC licenses support communications ports as shown in Table 2.
Table 2 Micro GC communication ports by license
Port Connection 990 Micro GC 990 Micro GC
(Express license)
990 Micro GC
(PRO license)
LAN Ethernet Interface with PC Interface with PC Interface with PC,
Modbus TCP
COM1 RS-232 VICI Valve VICI Valve VICI Valve,
Modbus
COM2 and
COM3
*
* The breakaway on the side of the top assembly must be removed. See Figure 46 on page 112.
RS232
RS422
RS485 2-wire
RS485 4-wire
Not available Not available Modbus
Digital and
Analog I/O
Y cable
†
and
Extension
boards
† 'Y' cable (P/N G3588-60825) is available.
On board I/O:
Start in/out
Ready in/out
Relay outs
Extension boards
‡
:
Basic board
Digital board
‡ Standard and 990 Micro GC (Express) supports extension board only by working with Agilent OpenLab software.
990 Micro GC (PRO) supports more advanced usage of extension boards (refer to the 990 PROstation User Manual).
On board I/O:
Start in/out
Ready in/out
Relay outs
Extension boards
‡
:
Basic board
Digital board
On board I/O:
Start in/out
Ready in/out
Relay outs
Digital ins
Analog ins
Extension boards
‡
:
Basic board
Digital board
Analog board
HDMI HDMI LCD touch screen
**
** Optional accessory (P/N G3588-68862).
LCD touch screen
**
LCD touch screen
**
USB USB VICI Valve
††
,
WIFI interface
‡‡
†† Requires USB-to-RS232 converter.
‡‡ Recommended for instrument web view
VICI Valve
††
,
WIFI interface
‡‡
,
USB storage,
License dongle
VICI Valve
††
,
WIFI interface
‡‡
,
USB storage,
License dongle
CAN CAN Channel Extension
***
*** See Connecting a Channel Extension Cabinet on page 24.
Channel Extension
***
Channel Extension
***