Wiring - SMC Networks EX500 Series Instruction Manual

Specification ( continued )
Cable specification
Thick cable
Item
Signal
Conductor's 0.82mm
cross-section area
Color Blue, white
Impedance
120 10%
(1MHz)
Propagation delay (Max.) 1.36ns/ft
Attenuation rate 125kHz: 0.13dB/ft
(Max.) 500kHz: 0.25dB/ft
1.00MHz: 0.40dB/ft
Conductor
6.9 /1000ft
resistance (Max.)
Lower-level bus
Number of branches for 4 branches ( 16 points/branch ) for input
input/output 4 branches ( 16 points/branch ) for output
Communication method Protocol: Dedicated for SMC
Speed:
Branch current for input Max. 0.5 [A] per branch ( when SI unit and input
( Note ) devices are connected )
Branch current for output Max. 0.65 [A] per branch
( when SI unit EX500-S
Max. 0.75 [A] per branch
( when SI unit EX500-Q
Branch cable length 5m or less per branch
( total extended length: 10m or less )
Note: Total value of maximum current consumption and maximum load current of input devices
to connect.
10
Thin cable
Power Signal
2 1.65mm 2 0.20mm 2
Red, black Blue, white
120 10%
-
(1MHz)
- 1.36ns/ft
125kHz: 0.29dB/ft
- 500kHz: 0.50dB/ft
1.00MHz: 0.70dB/ft
3.6
28 /1000ft
/1000ft
750kbps
01 is connected )
is connected )

Wiring

Internal circuit
Power
0.33mm 2
Red, black
-
Power supply
for output
- Power
Power supply
supply
connector
for input and
controlling GW/SI
-
17.5
/1000ft
1ft 0.3048m
The wirings are described in the following order.
Communication wiring: Connection with DeviceNet
Power supply wiring: Connections of power supplies for
Branch wiring: Connection from GW unit to SI unit or Input unit
DRAIN
1
V+ 2
V -
3
CAN H 4
CAN L
5
DC-DC
converter
(insulation)
0V
1
+24V
2
0V
3
+24V
4
PE 5
solenoid valves/output devices, and
for input devices and controlling GW/SI
1 RD+
RD -
2
3 TD+
TD -
4
COM A
+24V
5
0V
6
+24V
7
8 0V
1 RD+
RD -
2
3 TD+
TD -
4
COM D
+24V
5
0V
6
+24V
7
8 0V
11