Emerson VersaMax CPU001 - Pin Assignments for Port 2; Connector and Cable Specifications for Port 2; Cable Lengths; Serial Port Baud Rates

CPU Modules CPU001 and CPU002
October 2005 GFK-1536P
5
Pin Assignments for Port 2
Pin Signal Direction Function
1 SHLD -- Cable Shield Drain wire connection
2, 3, 4 n/c --
5 P5V Output +5.1VDC to power external level converters
(100mA max.)
6 RTSA Output Request to Send (A) output
7 GND -- 0V/GND reference signal
8 CTSB’ Input Clear to Send (B) input
9 RT -- Resistor Termination (120 ohm) for RDA’
10 RDA’ Input Receive Data (A) input
11 RDB’ Input Receive Data (B) input
12 SDA Output Transmit Data (A) output
13 SDB Output Transmit Data (B) output
14 RTSB Output Request to Send (B) output
15 CTSA’ Input Clear to Send (A) input
Shell SHLD -- Cable Shield wire connection / 100%
(Continuous) shielding cable shield
connection
Connector and Cable Specifications for Port 2
Vendor Part numbers below are provided for reference only. Any part
that meets the same specification can be used.
Cable:
Belden
8105
Low Capacitance Computer cable, overall braid over foil
shield
5 Twisted-pairs †
Shield Drain Wire †
30 Volt / 80°C (176°F)
24 AWG tinned copper, 7x32 stranding
Velocity of Propagation = 78%
Nominal Impedance = 100Ω †
15 Pin Male
Connector:
Type:
Crimp
Vendor:
ITT/Cannon
AMP
Plug:
DAA15PK87F0
205206-1
Pin:
030-2487-017
66506-9
Solder ITT/Cannon
AMP
ZDA15P
747908-2
--
--
Connector
Shell:
Kit*– ITT Cannon DA121073-50 [15-pin size backshell kit]:
Metal-Plated Plastic (Plastic with Nickel over Copper) †
Cable Grounding Clamp (included)
40° cable exit design to maintain low-profile installation
Plus – ITT Cannon 250-8501-009 [Extended Jackscrew]:
Threaded with (metric) M3x0.5 for secure attachment †
Order Qty 2 for each cable shell ordered
† Critical Information – any other part selected should meet or exceed this criteria.
* Use of this kit maintains the 70mm installed depth.
Cable Lengths
Maximum cable lengths the total number of feet from the CPU to the last
device attached to the cable are:
Port 1 (RS-232) = 15 meters (50 ft.)
Port 2 (RS-485) = 1200 meters (4000 ft.)
Serial Port Baud Rates
Port 1 Port 2
RTU protocol 1200, 2400, 4800, 9600,
19.2K, 38.4*K, 57.6*K
1200, 2400, 4800, 9600,
19.2K, 38.4*K, 57.6*K
Serial I/O protocol 1200, 2400, 4800, 9600,
19.2K, 38.4K*, 57.6K*
1200, 2400, 4800, 9600,
19.2K, 38.4K*, 57.6K*
SNP protocol 4800, 9600, 19.2K, 38.4K* 4800, 9600, 19.2K, 38.4K*
• Only available on one port at a time.