Emerson XM678D User Manual

6 • XM678D I&O Manual 026-1219 Rev 3
6.4. Valve Connections and Configuration
6.4.1. Types of Cables and Max
Length
To connect the valve to the controller, use only the
shielded cables with section greater than or equal to
0.823 mm
2
(AWG18). A twisted shielded cable with
the above specification is suggested. Don’t connect
the shield to the ground, keep it floating. The
maximum distance between an XM controller and a
valve
must not exceed 10 meters.
6.4.2. Valve Selection
To avoid possible problems, before connecting the
valve configure the driver by making the right
changes on the parameters.
a. Select the kind of motor (tEU parameter)
b. Check if the valve is present in the tEP parameter
shown in Table 6-2.
*Note that Sporlan has issued new valve setting recommendations for the following valves. Refer to Sporlan 
Bulletin F100-10-4 June 5, 2017 for more information. Sporlan recommends manually entering these settings
(Table 6-3 below) if you have these valve models. Refer to the XM Release Notes P/N 026-4256 for more 
information.
NOTE: In any case, the unique and valid reference has to be considered the data sheet made by valve
manufacturer. Emerson Retail Solutions cannot be considered responsible in case of valve damage due to
incorrect settings.
CAUTION:
1. Configure the driver by making the correct changes on the parameters before
connecting the valve. Select
the kind of motor (tEU parameter) and check if the valve is present in the tEP parameter table (Table 6-2).
2. The maximum distance between an XM controller and a valve must not exceed 10 meters
. Use only shielded
cables with section greater than or equal to 0.325 mm² (AWG22). A twisted shielded cable with the above specification
is suggested. Don’t connect the shield to any ground, leave it floating.
For valve settings, refer to the manufacturer’s data sheet. The manufacturer will not be responsible for any case
of valve damage due to incorrect valve settings.
Type of
Stepper
Motor
Half/Full
Step -
Kind of
Motor
Movemen
t
Minimum
Number of
Steps
Maximu
m
Number
of Steps
Current per
Phase
Holding
Current
per Phase
Step Rate
tEP
VALVE MODEL
tEU
(bip/unip)
HFS
(Half/full)
LSt
(steps
x10)
USt
(steps
x10)
CPP
(mA x10)
CHd
(mA x10)
Sr
(step/sec)
0 MANUAL SETTINGS
Par Par Par Par Par Par Par
1 Danfoss ETS-25/50 bP FUL 7 262 10 10 300
2 Danfoss ETS-100 bP FUL 10 353 10 10 300
3 Danfoss ETS-250/400 bP FUL 11 381 10 10 300
4 *Sporlan SEI 0.5-11 bP FUL 0 159 12 0 200
5 *Sporlan SER 1.5-20 bP FUL 0 159 12 0 200
Table 6-2 - XM678D Stepper Valve and Default Values

Emerson XM678D Specifications

General

Brand	Emerson
Model	XM678D
Category	Controller
Language	English