Watlow Series F4S/D - Manual (Page 133)

Communications Wiring (continued)
Figure 12.11a — EIA/TIA 232 to EIA/TIA 485 Conversion
B&B Converter (B&B Electronics Manufacturing Company, (815) 433-5100,
www.bb-elec.com)
CMC Converter (CMC Connecticut Micro-Computer, Inc., 800-426-2872,
www.2cmc.com)
Figure 12.11b — GPIB Conversion to EIA/TIA 232 or EIA/TIA 485
Communications with Modbus RTU
ICS GPIB Bus Interface (ICS Electronics, (925) 416-1000, www.icselect.com)
9V (dc) (see note)
120V (ac)
COM.
T-/R-
T+/R+
EIA-232
ADA485L
EIA-485
A
B
A
B
G
9V
G
DI/O
DI/O
12
13
16
DB25 Connector (25 pin)
T-/R-
T+/R+
120V~ (ac)
EIA-485
Power Supply
AD-1210
+
–
GND
COM.
13
12
16
+12VÎ(dc)
TD (A)
TD (B)
485SD9TB
DB9 Connector (9 pin)
Wa t l o w S e r i e s F 4 S / D W i r i n g ■ 1 2 . 1 1
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WARNING:
To avoid damage to
property and equipment,
and/or injury of loss of
life, use National Electric
Code (NEC) standard
wiring practices to install
and operate the Series
F4. Failure to do so could
result in such damage,
and/or injury or death.
NOTE:
The CMC converter
requires an external
power supply when used
with a laptop computer.
GPIB
EIA-232 or
EIA-485
ICS Model 4899