Specifications

Temperature Controller Driver
GP-Pro EX Device/PLC Connection Manual
109
5 Cable Diagram
The cable diagram shown below may be different from the cable diagram recommended by RKC INSTRUMENT
INC. Please be assured there is no operational problem in applying the cable diagram shown in this manual.
• The FG pin of the External Device body must be D-class grounded. Please refer to the manual of the External
Device for more details.
• SG and FG are connected inside the Display. When connecting SG to the External Device, design the system
not to form short-circuit loop.
• Connect the isolation unit, when communication is not stabilized under the influence of a noise etc..
• When connecting with RS422/485 (2 wire) or RS422/485 (4 wire), up to 16 units of temperature controllers
can be connected. However, when connecting FB400/900 series with RS422/485 (4 wire), only up to 15 units
can be connected.
Cable Diagram 1
Display
(Connection Port)
Cable Notes
GP
*1
(COM1)
AGP-3302B (COM2)
ST
*2
(COM2)
LT (COM1)
*1 All GP models except AGP-3302B
*2 All ST models except AST-3211A and AST-3302B
A
COM port conversion adapter by Pro-face
CA3-ADPCOM-01
+
Terminal block conversion adapter by Pro-face
CA3-ADPTRM-01
+
Your own cable
The cable length must
be 1200m or less.
B Your own cable
GP
*3
(COM2)
C
Online adapter by Pro-face
CA4-ADPONL-01
+
Terminal block conversion adapter by Pro-face
CA3-ADPTRM-01
+
Your own cable
D
Online adapter by Pro-face
CA4-ADPONL-01
+
Your own cable
IPC
*4
E
COM port conversion adapter by Pro-face
CA3-ADPCOM-01
+
Terminal block conversion adapter by Pro-face
CA3-ADPTRM-01
+
Your own cable
F Your own cable