REXROTH EcoDrive Cs Project Planning Manual page 83

Rexroth EcoDrive Cs Drives
Signal Specification
Diagnostic Displays
H30 – H33
DOK-ECODR3-DKC**.3-CS*-PR02-EN-P
Signal
+5V
repeater supply
repeater control signal
receive/transmit data
Fig. 5-69: Signal specification
Danger of destroying output
"+5V Repeater supply" by overload!
⇒ do not short-circuit
⇒ do not exceed maximum current
CAUTION
For the meaning of the diagnostic displays please see the Functional
Description of the respective firmware.
Electrical Connections
Specification
+5 V (±10%)
max. 75 mA
TTL compatible 1: transmit
0: receive
output resistance: 350R
≤ 0.8 V at I ≤ 2 mA
V
OL OL
≥ 3.5 V at I ≤ 1 mA
V
OH OH
EIA-RS485 standard
5-35