Lenze EVS 9300 series, System Manual

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Installation
Electrical installation
4.2.15 System bus connection (CAN) (X4)
4-55
L
EDSVS9332S-B EN 3.0
Wiring
120 W 120 W
A
1
A
2
A
3
A
n
932x - 933x 932x - 933x 932x - 933x
GND GND GND GND LO LO LO LO HI HI HI HI X4 X4 X4 PE PE PE PE
9300STD101
Fig. 4-30 Basic wiring of the system bus (CAN)
A1 Node 1 (controller)
A2 Node 2 (controller)
A3 Node 3 (controller)
A
n
Node n (e. g. PLC), n = max. 63
Terminal Explanation
X4/GND CAN-GND System bus reference potential
X4/LO CAN-LOW System bus LOW (data line)
X4/HI CAN-HIGH System bus HIGH (data line)
Please follow our recommendations on the use of the signal cable:
Total length
≤
300 m
≤
1000 m
Cable type
LIYCY 2 x 2 x 0.5 mm
2
(twisted in pairs with shield)
CYPIMF 2 x 2 x 0.5 mm
2
(twisted in pairs with shield)
Cable resistance
≤
80
Ω
/km
≤
80
Ω
/km
Capacitance per unit length
≤
130 nF/km
≤
60 nF/km
Tip!
The first and last device in a system bus network must be provided with a terminating resistor of
120
Ω
between the terminals CAN-LOW and CAN-HIGH.