dmc50 Yamatake Corporation, dmc50 Datasheet - Page 14

• Manufacturer Part Number: dmc50
• Description: Module Type Controller Control Module / Communication Module
• Manufacturer: Yamatake Corporation

G RS-485 terminal layout
G Connection with 5-wire system instrument
• Connect two terminating resistors of 150Ω±5% 1/2W min. to the
• Ground the shield FGs at only one end to a single location, not at
• Use a shielded twisted-pare cable as the RS-485 communication
instrument on each end of the transmission line.
both ends.
line.
Communication module terminal layout
Host station
Terminating
resistor
Terminating
resistor
Terminating
resistor
Terminating
resistor
RDA
RDB
SDA
SDB
SG
FG
Shield
Shield
Shield
Terminal for RS-485 port 1
(DMC50MR200/ME200)
4
5
6
7
8
DMC50MR200/ME200
SDA1
SDB1
RDA1
RDB1
SG1
5-wire system instrument
5-wire system instrument
(slave station)
SDA
SDB
RDA
RDB
SG
FG
(slave station)
(slave station)
SDA
SDB
RDA
RDB
SG
FG
SDA
SDB
RDA
RDB
SG
FG
1
2
3
4
5
7
8
6
(Front side)
(Rear side)
14
G Connection used with 3-wire system instrument
• Connect two terminating resistors of 150Ω±5% 1/2W min. to the
• Ground the shield FGs at only one end to a single location, not at
• The areas marked with an asterisk (*) are to be connected exter-
• Use a shielded twisted-pare cable as the RS-485 communication
instrument on each end of the transmission line.
both ends.
nally.
line.
9
10
11
12
13
14
15
16
Host station
Terminating
resistor
RDA
RDB
SDA
SDB
SG
FG
Terminal for RS-485 port 2
(DMC50ME200)
*
*
Terminating
resistor
12
13
14
15
16
Shield
Shield
SDA2
SDB2
RDA2
RDB2
SG2
Shield
3-wire system instrument
3-wire system instrument
DMC50MR200/ME200
*
*
*
*
(slave station)
(slave station)
(slave station)
SDA
SDB
RDA
RDB
+
−
SDA
SDB
RDA
RDB
SG
FG
SG
FG
SG
FG