8
C h a p t e r 2
Bottom Connector 2: P4
PIN#
Name
Description
Electrical Rating
Module
Address
P4-1
Unused
Reserved for future use; do not connect
Not connected
--
P4-2
RS485_GND RS-485 serial ground reference
<24V / Not Rated
--
P4-3
RS485_B
RS-485 serial interface B
<24V / Not Rated
--
P4-4
RS485_A
RS-485 serial inferface A
<24V / Not Rated
--
P4-5
SHIELD
Internally connected to chassis ground; Cable shield for
RS-485 or RS-232
Ground
--
P4-6
EX_GND_
RAD
RS-232 signal ground
<24V / Not Rated
--
P4-7
RTS_RAD
RS-232 request to send
<24V / Not Rated
--
P4-8
EX_TXD_
RAD
RS-232 transmit data to external device
<24V / Not Rated
--
P4-9
EX_RXD_
RAD
RS-232 recieve data from external device
<24V / Not Rated
--
P4-10 CTS_RAD
RS-232 clear to send
<24V / Not Rated
--
P4-11 SDI12_GND SDI-12 return/ground
<24V / Not Rated
--
P4-12 SDI12_DATA SDI-12 data
<24V / Not Rated
--
P4-13 SDI12_PWR 12VDC power supply for SDI-12 bus devices
<24V / Not Rated
--
P4-14 Unused
Reserved for future use; do not connect
Not Connected
--
P2-20 SHIELD
Internally connected to chassis ground; cable shield for
analog monitor signals
Ground
--
P2-21 4-20 mA signal from transducer; - signal at pin P2-23;
internal 250Ω shunt permanently connected
<24V / Not Rated
C2
P2-22 0-5VDC or 0-10VDC or 4-20 mA signal from trans-
ducer; - signal at pin P2-24 to P2-23 to use as 4-20 mA
input
<24V / Not Rated
C1
P2-23 ANALOG-
- signal return for both at P2-22 and
at P2-21
<24V / Not Rated
--
P2-24 SHUNT
250Ω shunt resistor; jump to P2-23 to use a 4-20 mA
signal for at P2-22
<24V / Not Rated
--
Summary of Contents for TCU800
Page 1: ...Installation and Operation Manual T C U 8 0 0 Data Flow Systems Inc P r e l i m i n a r y ...
Page 2: ...Intentionally left blank ...
Page 4: ...D a t a F l o w S y s t e m s I n c Intentionally left blank ...
Page 8: ...ii Intentionally left blank ...
Page 10: ...ii Intentionally left blank ...
Page 56: ...46 C h a p t e r 5 Quick View Analog View Pump Statistics ...
Page 57: ...47 U s e r I n t e r f a c e Alarms Settings Screen 1 Settings Screen 2 ...
Page 58: ...48 C h a p t e r 5 Advanced Settings About ...
Page 77: ...67 O p e r a t i n g P r o c e d u r e s TCU Installed in Existing Control Panel ...
Page 87: ...77 M o d b u s S u p p o r t Figure 1 Figure 2 Figure 3 ...
Page 92: ...82 D a t a F l o w S y s t e m s I n c Appendix ...
Page 157: ...147 D a t a F l o w S y s t e m s I n c ...
Page 158: ...148 D a t a F l o w S y s t e m s I n c ...
Page 159: ...149 D a t a F l o w S y s t e m s I n c ...
Page 160: ......