Yaskawa Z1000U HVAC Matrix Bypass - Manual (Page 407)

Register No. Contents
8403H BYP DO-oo Command
Bypass Digital Output Command. These bits allow the digital outputs to be set over a network if
the corresponding digital output function is unused.
Not Used (0/1 for Off/On)
Not Used
Not Used
Not Used
Not Used
Not Used
DO-7
DO-8
X
X
X
X
X
X
X
X
XXXXXXXX
X
X
XXXXXXXX
DO-9
DO-10
Not Used
X XXXXXX
8404H Time Set HHMM
Time Set Hours and Minutes. Format is HHMM where HH is hours from 00 to 23 and MM is
minutes from 00 to 59. When new HHMM is set to RTC, the seconds will be set to a value of 0.
8405H Date Set Year Date Set Year. Format is YYYY where YYYY is the four digit year from 2000 to 2099.
8406H Date Set MMDD
Date Set Month and Day. Format is MMDD where MM is month from 01 to 12 and DD is day
from 01 to 31.
8407H Set RTC
The date and time values in registers 8404H to 8406H are written to the real time clock (RTC) in
the HOA operator connected to the bypass.
0: Do not write values to RTC
1: Write values to RTC
8408H to 843FH Reserved
8440H Time HHMM
Time Hours and Minutes. Reads current time. Format is HHMM where HH is hours from 00 to 23
and MM is minutes from 00 to 59. Reads 0x0000 when no RTC option
8441H Date Year
Date Year. Reads current date. Format is YYYY where YYYY is the year from 0000 to 9999.
Reads 0x0000 when there is no RTC option.
8442H Date Mo Day MMDD
Date Month and Day. Reads current date. Format is MMDD where MM is month from 01 to12
and DD is day from 01 to 31. Reads 0x0000 when there is no RTC option
8443H to 84FFH Reserved
8490H Product Type Code
8491H Product Type Code
8500H to 87FFH
BYP Parameters and
Monitors
Z1-oo, Z2-oo, Z3-oo, Z4-oo , UB-oo. Refer to Parameter List on page 307 for Modbus
addresses.
8800H to FFFFH Reserved
<1> Parameter o1-03, Digital Operator Display Selection, determines the units.
<2> Display is in the following units:
2o0028, 2o0042, and 4o0011 to 4o0027: 0.01 A units
2o0054 to 2o0248 and 4o0034 to 4o0414: 0.1 A units
<3> Communication error contents are saved until the fault is reset.
<4> Set the number of motor poles to parameter E2-04.
<5> Disabled when Z3-12 is set to 0.
u Broadcast Messages
Data can be written from the master to all slave devices at the same time.
The slave address in a broadcast command message must be set to 00H. All slaves will receive the message, but will not
respond.
D.9 MEMOBUS/Modbus Data Table
YASKAWA SIEP YAIZ1D 01A Z1000U HVAC MATRIX Drive Bypass Technical Manual 407
D
MEMOBUS/Modbus Communications