PCA 2 1000D OPERATING INSTRUCTION25055055

8.7.2 MODBUS Register
8.7.2.1 Holding register
HR
Mode
Function/Setting
4. 5.
00 01 02 00 01 02
H00 x x x x x x
0 = OFF
1 = Restore factory setting (delivery status)
H01
x x x x
Input MODBUS, digital control bit wise*
Digital inputs DI1-3 @ Bit 15, relay K1 @ Bit 14
H02 x x x x x x
On register H23 Value 2 = Function 17A: Preset output
voltage from analog output “AO” with assignment “A1”:
0...100
0...10 V
H03 x x x x x x
Bus address: 1...247 @ Bit 8...15*
UART baud rate: 4800, 9600, 19200, 38400, 115200 @
Bit 4...7*
UART Mode: 8N1, 801, 8E1, 8N2 @ Bit 0...2*
H04 x x x x x x
Mode: 0...5 4.00 ... 5.02
H05 x x x x
Setpoint 1: 0...max. measuring range (Pa, in.wg, m
3
/h,
cfm)
H06
x x x x
Setpoint 2: 0...max. measuring range (Pa, in.wg, m
3
/h,
cfm)
H07
x x x x
Minimal output voltage: 0...100 0...10 V
H08
x x x x
Maximum output voltage: 0...100 0...10 V
H10
x x x x
Inverting IOs: AO1 @ Bit 6, DO1 @ Bit 7, DI1 @ Bit 13,
DI2 @ Bit 14, DI3 @ Bit 15*
H13 x x x x x x
DO1 function: 0 = OFF, 1 = 1K, 2 = 2K, 3 = 3K, 4 = 4K, 5 =
5K, 6 = 6K, 8 = 17K
H14 x x x x x x
DO1 Signal: 0 = n.a. (no asignement), 1 = K1
H15
x x x x
DI1 function: 0 = OFF, 1 = 1D, 2 = 2D, 3 = 5D
H16
x x x x
DI1 Signal: 0 = n.a. (no asignement), 1 = D1, 1 =
MODBUS, 3 = Timer
H17 x x x x x x
MODBUS Watchdog*:
Bit 7 activation = message via the relay in the event of a
communication fault (factory setting "0" not activated)
Bit 8...15 = time delay until message, setting range 03...64
3...100 s (factory set 000A = 10 s)
Operating Instructions PCA-2 1000D2 Programming
L-BAL-E295-GB 1906 Index 001 Part.-No.
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