Honeywell ESSER Serial essernet Interface SEI1 - Connecting Essernet; Interface Module (Part No. 772387; 772386)

Serial essernet
®
interface (SEI1)
FB 798819 / 05.18 59
10.3.2 Connecting essernet
®
X7
L1+
L1-
L2+
L2-
Fig. 12: Terminal X7
X7
L1+ L1- L2+ L2-
3
4
1
2
3
4
1
2
essernet
®
module essernet
®
module
Fig. 13: Connection diagram (copper cable, conventional) incl. cable shielding in essernet
®
10.4 Interface module (Part No. 772387 / 772386)
Depending on the desired application, an optional interface module TTY/CL 20 mA
(Part No. 772387) or RS232/V24 (Part No. 772386) can be inserted on the corresponding
terminals of the SEI1.
The connection and the max. cable length of the connection depend on the selected module
type.
The both LED (SI 02 red/yellow) on the SEI1 indicates the operation mode of the used interface
module.
Risk of damage!
Please ensure that the interface module is mounted with the correct orientation.
Follow the usual precautions to prevent any built-up of static charges.