Lenze E94P PositionServo Modbus - Manual (Page 9)

9 P94MOD01C
Installation
3 Installation
Section 3.1 is only applicable to Modbus RTU communication with the EIA-485 (RS485) option module,
E94ZARS41. Modbus TCP/IP communication uses the P2 Ethernet port on the front of the PositionServo.
3.1 Mechanical Installation
1. Ensure that for reasons of safety, the AC supply, DC supply and +24VDC backup supply have been
disconnected before opening the option bay cover.
2. Remove the two COMM module screws that secure Option Bay 1. With a flat head screwdriver, lift the
Option Bay 1 cover plate and remove.
3. Fit the 20-pin header into the module before fitting the module into the drive.
4. Install the EIA-485 (RS485) COMM Module (E94ZARS41) in Option Bay 1.
5. Replace the two COMM module screws (max torque: 0.3Nm/3lb-in) to secure Option Bay 1 in place.
S921
Figure 2: Installation of EIA-485 (RS485) Communications Module